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Editing File: /usr/share/doc/ea-apache24-mod_security2-2.9.14/CHANGES

02 Jul 2026 - 2.9.14
--------------------

* chore: fix cppcheck issues with v2.21.0
   [Issue #3593 - @airween]
 * fix: ctl:ruleRemoveTargetByTag not removing XML attribute targets
   [Issue #3592 - @fzipi]
 * Remove deprecated REQBODY_PROCESSOR_ERROR and REQBODY_PROCESSOR_ERROR_MSG
   [Issue #3578 - @hnakamur]
 * Re-apply lost fix 4f33f5b: collection_unpack value_len underflow regression
   [Issue #3560 - @g4mm4-VCF]

28 Apr 2026 - 2.9.13
--------------------

* fix: heap buffer overflow in acmp pm
   [Issue #3545 - @fumfel,@airween]
 * fix: probably UB (left shift of neg. val) in ip_tree code
   [Issue #3542 - @fumfel,@airween]
 * feat(libinjection): add libinjection 4 final to v2
   [Issue #3535 - @airween]
 * fix: cppcheck warnings
   [Issue #3530 - @airween]
 * feat: add Lua 5.5 support when available
   [Issue #3527 - @fzipi,@airween]
 * refactor: remove NGINX support from v2 (#3498)
   [Issue #3502 - @sanjib2006]
 * fix: cppcheck warnings in nginx/
   [Issue #3493 - @umprayz]
 * fix: cppcheck warnings in standalone/
   [Issue #3488 - @umprayz]
 * v2: Accept requests whose body length is exactly equal to SecRequestBodyNoFilesLimit
   [Issue #3480 - @hnakamur]
 * fix: yajl detection for source installations (#3457)
   [Issue #3458 - @weida]
 * feat: fix regression test, add a new CI workflow
   [Issue #3456 - @airween]
 * Fix libxml2 related deprecated issues
   [Issue #3454 - @airween]
 * Add CMake and CI Pipeline for ModSecurityIIS in ModSecurity V2
   [Issue #3452 - @A13501350]
 * fix(iis):  IPv6 Handling in ModSecurity IIS Module
   [Issue #3443 - @A13501350]
 * fix: add event message resources to ModSecurityIIS.dll and resolve "Invalid function" errors (#3408)
   [Issue #3438 - @A13501350]

05 Aug 2025 - 2.9.12
--------------------

* fix: Improper error handling
   [PR from private repo - @orangetw, @pgajdos, @ylavic, @theseion, @fzipi, @airween
    fixed CVE-2025-54571]
 * fix: mod_security2's regression tests [Issue #3425 - @airween]
 * fix: remove unused condition from msc_status_engine.c [Issue #3412 - @airween]
 * fix: remove unwanted '\0' string terminator from argument's value [Issue #3411 - @airween]

01 Jul 2025 - 2.9.11
--------------------

* fix: prevent segmentation fault if the XML node is empty
   [PR from private repo - @theseion, @fzipi, @RedXanadu, @airween; fixed CVE-2025-52891]
 * Plug memory leak when msre_op_validateSchema_execute() exits normally (validateSchema)
   [Issue #3401 - @nic-prgs]
 * chore: bump version in MSI installer.wxs
   [Issue #3400 - @airween]
 * Fix resource leaks in `msc_status_engine_mac_address`
   [Issue #3391 - @amezin]

02 Jun 2025 - 2.9.10
--------------------

* fix: DoS vulnerability
   [PR from private repo - @theseion, @fzipi, @airween; fixed CVE-2025-48866]

21 May 2025 - 2.9.9
-------------------

* fix: DoS vulnerability
   [PR from private repo - @theseion, @fzipi, @airween; fixed CVE-2025-47947]
 * chore: log error codes for global mutex failure modes.
   [Issue #3387 - @airween]
 * chore: refactor build system to use PCRE2
   [Issue #3383 - @airween]
 * feat: add 'make test' to v2's workflow
   [Issue #3379 - @airween]
 * fix: 'make test' is able to run again
   [Issue #3378 - @airween]
 * fix: add PCRE2 capability to standalone module
   [Issue #3377 - @airween]
 * chore: remove unnecessary @LIBXML2_CFLAGS@ from linker flags
   [Issue #3376 - @airween]
 * fix: add msc_fullinfo() to check JIT compilation
   [Issue #3375 - @airween]
 * Fix error logging for standalone module
   [Issue #3374 - @RedXanadu]
 * Fix compiler warnings from GCC
   [Issue #3372 - @notroj]
 * feat: improved XMLArgs processing
   [Issue #3358 - @airween]
 * Incorrect utf8toUnicode transformation for 00xx
   [Issue #3284 - @marcstern]
 * Fixed PCRE2 error message
   [Issue #3279 - @marcstern]
 * make rootpath and incpath consts for apr_filepath_root
   [Issue #3270 - @Marcool04]
 * Fix apr_global_mutex_create() usage
   [Issue #3269 - @marcstern]
 * chore: add 'log' action to rule 200005 (v2/master)
   [Issue #3267 - @airween]
 * Move id_log() to msc_util to fix unit tests; it is declared on msc_ut…
   [Issue #3265 - @rainerjung]
 * Missing #include <time.h>
   [Issue #3262 - @marcstern]
 * Fixed apr_global_mutex_create() usage (no filename)
   [PR #3269 - @marcstern]
 * handle errors from apr_global_mutex_lock
   [PR #3257 - @marcstern]

03 Sep 2024 - 2.9.8
-------------------

* Fixed ap_log_perror() usage
   [PR #3241 - @marcstern]
 * Memory leaks + enhanced logging
   [PR #3191 - @marcstern]
 * CI improvement: First check syntax & always display error/audit logs
   [PR #3190 - @marcstern]
 * Fixed assert() usage
   [PR #3202 - @marcstern]
 * Removed useless code
   [PR #3193 - @marcstern]
 * feat: Check if the MP header contains invalid character
   [PR #3226 - @airween]
 * Use standard httpd logging format in error log
   [PR #3192 - @marcstern]
 * fix msc_regexec() != PCRE_ERROR_NOMATCH strict check
   [PR #3194 - @marcstern]
 * Move xmlFree() call to the right place
   [Issue #3199 - @airween]
 * Add collection size in log in case of writing error
   [Issue #3198 - @marcstern]
 * Passing address of lock instead of lock in acquire_global_lock()
   [Issue #3188 - @marcstern]
 * Invalid pointer access in case rule id == NOT_SET_P
   [Issue #3187 - @marcstern]
 * Show error.log after httpd start in CI
   [Issue #3171 - @marcstern]
 * chore: add pull request template
   [Issue #3159 - @fzipi]
 * chore: add gitignore file
   [Issue #3158 - @fzipi]
 * Possible double free
   [Issue #3155 - @marcstern]
 * Set 'jit' variable's initial value
   [Issue #3154 - @marcstern]
 * Missing null byte + optimization
   [Issue #3153 - @marcstern]
 * fix: remove usage of insecure tmpname
   [Issue #3149 - @fzipi]
 * docs: update copyright
   [Issue #3148 - @fzipi]
 * Enhanced logging [Issue #3107]
   [Issue #3139 - @marcstern]
 * Check for null pointer dereference (almost) everywhere
   [Issue #3120 - @marcstern]
 * Fix possible segfault in collection_unpack
   [Issue #3099 - @twouters]
 * fix: Replace obsolete macros
   [Issue #3094 - @airween]
 * chore: update bug-report-for-version-2-x.md
   [Issue #3087 - @fzipi]
 * feat: Add more steps: install built module and restart the server
   [Issue #3078 - @airween]
 * Add new flag: --without-lua
   [Issue #3076 - @airween]
 * Initial release of CI worklow
   [Issue #3075 - @airween]
 * V2/fixbuildissue
   [Issue #3074 - @airween]
 * ; incorrectly replaced by space in cmdline
   [Issue #3051 - @marcstern]
 * Detailed error message when writing collections
   [Issue #3050 - @marcstern]
 * docs: Fix organization name in references and security e-mail (v2)
   [Issue #3043 - @airween]
 * ctl:ruleRemoveByTag isn't executed if no rule id is present in the rule
   [Issue #3012 - @marcstern]
 * Suppress useless loop on tag matching
   [Issue #3009 - @marcstern]
 * Optimization: Avoid last loop and storing an empty value in case nothing
     after last %{..} macro
   [Issue #3004 - @marcstern]
 * Ignore (consistently) empty actions
   [Issue #3003 - @marcstern]
 * Add context info to error message
   [Issue #2997 - @marcstern]
 * Implement msre_action_phase_validate()
   [Issue #2994 - @marcstern]
 * Avoid some useless code and memory allocation in case no macro is present
   [Issue #2992 - @marcstern]
 * 'jit' variable not initialized when WITH_PCRE2 is defined
   [Issue #2987 - @marcstern]
 * Configure: do not check for pcre1 if pcre2 requested
   [Issue #2975 - @martinhsv]
 * Double memory allocation
   [Issue #2969 - @marcstern]
 * Fix for DEBUG_CONF compile flag
   [Issue #2963 - @marcstern]
 * Enhance logging
   [Issue #3107 - @marcstern]
 * Fix possible segfault in collection_unpack
   [Issue #3072 - @twouters]
 * Set the minimum security protocol version for SecRemoteRules
   [Issue security/code-scanning/2 - @airween]
 * Allow lua version 5.4
   [Issue #2996 - @3eka, @martinhsv]
 * Configure: do not check for pcre1 if pcre2 requested
   [Issue #2975 - @zhaoshikui, @martinhsv]
 * Check return code of apr_procattr_io_set()
   [Issue #2958 - @marcstern]
 * Do not escape special chars in rx pattern with macro
   [Issue #2357 - @marcstern, @martinhsv]
 * Substitute two equals-equals operators in build
   [Issue #2883 - @Polynomial-C]

04 Jan 2023 - 2.9.7
-------------------

* Fix: FILES_TMP_CONTENT may sometimes lack complete content
   [Issue #2857 - gieltje, @airween, @dune73, @martinhsv]
 * Support configurable limit on number of arguments processed
   [Issue #2844 - @jleproust, @martinhsv]
 * Silence compiler warning about discarded const
   [Issue #2843 - @Steve8291, @martinhsv]
 * Support for JIT option for PCRE2
   [Issue #2840 - @martinhsv]
 * Use uid for user if apr_uid_name_get() fails
   [Issue #2046 - @arminabf, @marcstern]
 * Fix: handle error with SecConnReadStateLimit configuration
   [Issue #2815, #2834 - @marcstern, @martinhsv]
 * Only check for pcre2 install if required
   [Issue #2833 - @martinhsv]
 * Adjustment of previous fix for log messages
   [Issue #2832 - @marcstern, @erkia]
 * Mark apache error log messages as from mod_security2
   [Issue #2781 - @erkia]
 * Use pkg-config to find libxml2 first
   [Issue #2818 - @hughmcmaster]
 * Support for PCRE2 in mlogc
   [Issue #2737, #2827 - @martinhsv]
 * Support for PCRE2
   [Issue #2737 - @martinhsv]

07 Sep 2022 - 2.9.6
-------------------

* Adjust parser activation rules in modsecurity.conf-recommended
   [Issue #2799 - @terjanq, @martinhsv]
 * Multipart parsing fixes and new MULTIPART_PART_HEADERS collection
   [Issue #2797 - @terjanq, @martinhsv]
 * Limit rsub null termination to where necessary
   [Issue #2794 - @marcstern, @martinhsv]
 * IIS: Update dependencies for next planned release
   [@martinhsv]
 * XML parser cleanup: NULL duplicate pointer
   [Issue #2760 - @martinhsv]
 * Properly cleanup XML parser contexts upon completion
   [Issue #2239 - @argenet]
 * Fix memory leak in streams
   [Issue #2208 - @marcstern, @vloup, @JamesColeman-LW]
 * Fix: negative usec on log line when data type long is 32b
   [Issue #2753 - @ABrauer-CPT, @martinhsv]
 * mlogc log-line parsing fails due to enhanced timestamp
   [Issue #2682 - @bozhinov, @ABrauer-CPT, @martinhsv]
 * Allow no-key, single-value JSON body
   [Issue #2735 - @marcstern, @martinhsv]
 * Set SecStatusEngine Off in modsecurity.conf-recommended
   [Issue #2717 - @un99known99, @martinhsv]
 * Fix memory leak that occurs on JSON parsing error
   [Issue #2236 @argenet, @vloup, @martinhsv]
 * Multipart names/filenames may include single quote if double-quote enclosed
   [Issue #2352 @martinhsv]
 * Add SecRequestBodyJsonDepthLimit to modsecurity.conf-recommended
   [Issue #2647 @theMiddleBlue, @airween, @877509395 ,@martinhsv]
 * IIS: Update dependencies for Windows build as of v2.9.5
   [@martinhsv]

22 Nov 2021 - 2.9.5
-------------------

* Support configurable limit on depth of JSON parsing
   [@theMiddleBlue, @airween, @dune73, @martinhsv]

21 Jun 2021 - 2.9.4
-------------------

* Add microsec timestamp resolution to the formatted log timestamp
   [Issue #2095 - @rainerjung]
 * Store temporaries in the request pool for regexes compiled per-request.
   [Issue #890, #2049 - @lightsey]
 * Fix other usage of the global pool for request temporaries in re_operators.c
   [Issue #890, #2049 - @lightsey]
 * Adds a sanity check before use ctl:ruleRemoveTargetById and ctl:ruleRemoveTargetByMsg.
   [Issue #2033 - @studersi]
 * Fix the order of error_msg validation
   [Issue #2128 - @marcstern, @zimmerle]
 * Added missing Geo Countries
   [Issue #2123, #2124 - @emphazer]
 * When the input filter finishes, check whether we returned data
   [Issue #2091, #2092 - @rainerjung]
 * fix: care non-null terminated chunk data
   [Issue #2097 - @orisano]
 * Fix for apr_global_mutex_create() crashes with mod_security
   [Issue #1957 - @blappm]
 * Fix inet addr handling on 64 bit big endian systems
   [Issue #1980 - @zimmerle, @airween]

05 Dec 2018 - 2.9.3
-------------------

* Enable optimization for large stream input by default on IIS
   [Issue #1299 - @victorhora, @zimmerle]
 * Allow 0 length JSON requests.
   [Issue #1822 - @allanbomsft, @zimmerle, @victorhora, @marcstern]
 * Include unanmed JSON values in unnamed ARGS
   [Issue #1577, #1576 - @marcstern, @victorhora, @zimmerle]
 * Fix buffer size for utf8toUnicode transformation 
   [Issue #1208 - @katef, @victorhora]
 * Fix sanitizing JSON request bodies in native audit log format
   [p0pr0ck5, @victorhora]
 * IIS: Update Wix installer to bundle a supported CRS version (3.0)
   [@victorhora, @zimmerle]
 * IIS: Update dependencies for Windows build
   [Issue #1848 - @victorhora, @hsluoyz]
 * IIS: Set SecStreamInBodyInspection by default on IIS builds (#1299)
   [Issue #1299 - @victorhora]
 * IIS: Update modsecurity.conf
   [Issue #788 - @victorhora, @brianclark]
 * Add sanity check for a couple malloc() and make code more resilient
   [Issue #979 - @dogbert2, @victorhora, @zimmerl]
 * Fix NetBSD build by renaming the hmac function to avoid conflicts
   [Issue #1241 - @victorhora, @joerg, @sevan]
 * IIS: Windows build, fix duplicate YAJL dir in script
   [Issue #1612 - @allanbomsft, @victorhora]
 * IIS: Remove body prebuffering due to no locking in modsecProcessRequest
   [Issue #1917 - @allanbomsft, @victorhora]
 * Fix mpm-itk / mod_ruid2 compatibility
   [Issue #712 - @ju5t , @derhansen, @meatlayer, @victorhora]
 * Code cosmetics: checks if actionset is not null before use it
   [Issue #1556 - @marcstern, @zimmerle, @victorhora]
 * Only generate SecHashKey when SecHashEngine is On
   [Issue #1671 - @dmuey, @monkburger, @zimmerle]
 * Docs: Reformat README to Markdown and update dependencies
   [Issue #1857 - @hsluoyz, @victorhora]
 * IIS: no lock on ProcessRequest. No reload of config. 
   [Issue #1826 - @allanbomsft]
 * IIS: buffer request body before taking lock
   [Issue #1651 - @allanbomsft]
 * good practices: Initialize variables before use it
   [Issue #1889 - Marc Stern]
 * Let body parsers observe SecRequestBodyNoFilesLimit
   [Issue #1613 - @allanbomsft]
 * potential off by one in parse_arguments
   [Issue #1799 - @tinselcity, @zimmerle]
 * Fix utf-8 character encoding conversion
   [Issue #1794 - @tinselcity, @zimmerle]
 * Fix ip tree lookup on netmask content
   [Issue #1793 - @tinselcity, @zimmerle]
 * IIS: set overrideModeDefault to Allow so that individual websites can
   add <ModSecurity ...> to their web.config file
   [Issue #1781 - @default-kramer]
 * modsecurity.conf-recommended: Fix spelling
   [Issue #1721 - @padraigdoran]
 * build: fix when multiple lines for curl version
   [Issue #1771 - @Artistan]
 * Fix arabic charset in unicode_mapping file
   [Issue #1619 - @alaa-ahmed-a]
 * Optionally preallocates memory when SecStreamInBodyInspection is on
   [Issue #1366 - @allanbomsft, @zimmerle]
 * Fixed typo in build_yajl.bat
   [Issue #1366 - @allanbomsft]
 * Fixes SecConnWriteStateLimit
   [Issue #1545 - @nicjansma]
 * Added "empy chunk" check
   [Issue #1347, #1446 - @gravagli, @bostrt, @zimmerle]
 * Add capture action to @detectXSS operator
   [Issue #1488, #1482 - @victorhora]
 * Fix for wildcard operator when loading conf files on Nginx / IIS
   [Issue #1486, #1285 - @victorhora and @thierry-f-78]
 * Set of fixies to make windows build workable with the buildbots
   [Commit 94fe3 - @zimmerle]
 * Uses LOG_NO_STOPWATCH instead of DLOG_NO_STOPWATCH
   [Issue #1510 - @marcstern]
 * Adds missing headers
   [Issue #1454 - @devnexen]

18 Jul 2017 - 2.9.2
-------------------

* IIS build refactoring and dependencies update
   [Issue #1487 - @victorhora]
 * Best practice: Initialize msre_var pointers
   [Commit fbd57 - Allan Boll]
 * nginx: Obtain port from r->connection->local_sockaddr.
   [Commit 51314 - @defanator]
 * Updates libinjection to v3.10.0
   [Issue #1412 - @client9, @zimmerle and @bjdijk]
 * Avoid log flood while using SecConnEngine
   [Issue #1436 - @victorhora]
 * Make url path absolute for SecHashEngine only when it is relative
   in the first place.
   [Issue #752, #1071 - @hideaki]
 * Fix the hex digit size for SHA1 on msc_crypt implementation.
   [Issue #1354 - @zimmerle and @parthasarathi204]
 * Avoid to flush xml buffer while assembling the injected html.
   [Issue #742 - @zimmerle]
 * Avoid additional operator invokation if last transform of a multimatch
   doesn't modify the input
   [Issue #1086, #1087 - Daniel Stelter-Gliese]
 * Adds a sanity check before use ctl:ruleRemoveTargetByTag.
   [Issue #1353 - @LukeP21 and @zimmerle]
 * Uses an optional global lock while manipulating collections.
   [Issues #1224 - @mturk and @zimmerle]
 * Fix collection naming problem while merging collections.
   [Issue #1274 - Coty Sutherland and @zimmerle]
 * Fix --enable-docs adding missing Makefile, modifying autoconf and filenames
   [Issue #1322 - @victorhora]
 * Change from using rand() to thread-safe ap_random_pick.
   [Issue #1289 - Robert Bost]
 * Cosmetics: added comments on odd looking code to prevent future
   scrutiny
   [Issue #1279 - Coty Sutherland]
 * {dis|en}able-server-context-logging: Option to disable logging of
   server info (log producer, sanitized objects, ...) in audit log.
   [Issue #1069 - Marc Stern]
 * Allow drop to work with mod_http2
   [Issue #1308, #992 - @bazzadp]
 * Fix SecConn(Read|Write)StateLimit on Apache 2.4
   [Issue #1340, #1337, #786 - Sander Hoentjen]
 * {dis|en}able-stopwatch-logging: Option to disable logging of stopwatches
   in audit log.
   [Issue #1067 - Marc Stern]
 * {dis|en}able-dechunk-logging: Option to disable logging of
   dechunking in audit log when log level < 9.
   [Issue #1068 - Marc Stern]
 * Updates libinjection to: da027ab52f9cf14401dd92e34e6683d183bdb3b4
   [ModSecurity team]
 * {dis|en}able-handler-logging: Option to disable logging of Apache handler
   in audit log
   [Issue #1070, #1381 - Marc Stern]
 * {dis|en}able-collection-delete-problem-logging: Option to disable logging of
   collection delete problem in audit log when log level < 9.
   [Issue #1380 - Marc Stern]
 * Adds rule id in logs whenever a rule fail.
   [Issue #1379, #391 - Marc Stern]
 * {dis|en}able-server-logging: Option to disable logging of
   "Server" in audit log when log level < 9.
   [Issue #1070 - Marc Stern]
 * {dis|en}able-filename-logging: Option to disable logging of filename
   in audit log.
   [Issue #1065 - Marc Stern]
 * Reads fuzzy hash databases on init
   [Issue #1339 - Robert Paprocki and @Rendername]
 * Changes the configuration to recognize soap+xml as XML
   [Issue #1374 - @emphazer and Chaim Sanders]
 * Fix building with nginx >= 1.11.11
   [Issue #1373, #1359 - Andrei Belov and Thomas Deutschmann]
 * Using Czechia instea of Czech Republic
   [Issue #1258 - Michael Kjeldsen]
 * {dis|en}able-rule-id-validation: Option to disable rule id validation
   [Issue #1150 - Marc Stern and ModSecurity team]
 * JSON Log: Append a newline to concurrent JSON audit logs
   [Issue #1233 - Robert Paprocki]
 * JSON Log: Don't unnecessarily rename request body parts in cleanup
   [Issue #1223 - Robert Paprocki]
 * Fix error message inside audit logs
   [Issue #1216 and #1073 - Armin Abfalterer]
 * Remove port from IPV4 address when running under IIS.
   [Issue #1220, #1109 and #734  - Robert Culyer]
 * Remove logdata and msg fields from JSON audit log rule.
   [Issue #1190 and #1174 - Robert Paprocki]
 * Better handle the json parser cleanup
   [Issue #1204 - Ephraim Vider]
 * Fix status failing to report in Nginx auditlogs
   [Issue #977, #1171 - @charlymps and Chaim Sanders]
 * Fix file upload JSON audit log entry
   [Issue #1181 and #1173 - Robert Paprocki and Christian Folini]
 * configure: Fix detection whether libcurl is linked against gnutls and,
   move verbose_output declaration up to the beginning.
   [Issue #1158 - Thomas Deutschmann (@Whissi)]
 * Treat APR_INCOMPLETE as APR_EOF while receiving the request body.
   [Issue #1060, #334 - Alexey Sintsov]

Security issues

* Allan Boll reported an uninitialized variable that may lead to a crash on
   Windows platform.
 * Brian Adeloye reported an infinite loop on the version of libinjection used
   on ModSecurity 2.9.1.

09 Mar 2016 - 2.9.1
-------------------

* No changes.

03 Feb 2016 - 2.9.1-RC1
-----------------------

* Added support to generate audit logs in JSON format.
   [Issue #914, #897, #656 - Robert Paprocki]
 * Creating AuditLog serial file (or parallel index) respecting the
   permission configured with SecAuditLogFileMode. Previously, it was
   used only to save the transactions while in parallel mode.
   [Issue #852 - @littlecho and ModSecurity team]
 * Checking for hashing injection response, to report in case of failure.
   [Issue #1041 - ModSecurity team]
 * Stop buffering when the request is larger than SecRequestBodyLimit
   in ProcessPartial mode
   [Issue #709, #705, #728 - Justin Gerace and ModSecurity team]
 * Extended Lua support to include version 5.3
   [Issue #837, #762, #814 - Athmane Madjoudj and ModSecurity team]
 * mlogc: Allows user to choose between TLS versions (TLSProtocol option
   introduced).
   [Issue #881 - Ishwor Gurung]
 * Allows mod_proxy's "nocanon" behavior to be specified in proxy actions
   [Issue #1031, #961, #763 - Mario D. Santana and ModSecurity team]
 * Refactoring conditional #if/#defs directives.
   [Issue #996 - Wesley M and ModSecurity team]
 * mlogc-batch-load.pl.in: fix searching SecAuditLogStorageDir
   files with Apache 2.4
   [Issue #775 - Elia Pinto]
 * Understands IIS 10 as compatible on Windows installer.
   [Issue #931 - Anton Serbulov, Pavel Vasilevich and ModSecurity team]
 * Fix apache logging limitation by using correct Apache call.
   [Issue #840 - Christian Folini]
 * Fix apr_crypto.h check on 32-bit Linux platform
   [Issue #882, #883 - Kurt Newman]
 * Fix variable resolution duration (Content of the DURATION variable).
   [Issue #662 - Andrew Elble]
 * Fix crash while adding empty keys to persistent collections.
   [Issue #927 - Eugene Alekseev, Marc Stern and ModSecurity team]
 * Remove misguided call to srand()
   [Issues #778, #781 and #836 - Michael Bunk, @gilperon]
 * Fix compilation problem while ssdeep is installed in non-standard
   location.
   [Issue #872 - Kurt Newman]
 * Fix invalid storage reference by apr_psprintf at msc_crypt.c
   [Issue #609 - Jeff Trawick]

12 Feb 2015 - 2.9.0
-------------------

* Fix apr_crypto.h include, now checking if apr_crypto.h is available by
   checking the definition WITH_APU_CRYPTO.
   [martinjina and ModSecurity team]

15 Dez 2014 - 2.9.0-RC2
-----------------------

* OpenSSL dependency was removed on MS Windows builds. ModSecurity is now using
   the Windows certificate storage.
   [Gregg Smith, Steffen and ModSecurity team]
 * Informs about external resources loaded/failed while reloading Apache.
   [ModSecurity team]
 * Adds missing 'ModSecurity:' prefix in some warnings messages.
   [Walter Hop and ModSecurity team]
 * Refactoring external resources download warn messages. Holding the message
   to be displayed when Apache is ready to write on the error_log.
   [ModSecurity team]
 * Remote resources loading process is now failing in case of HTTP error.
   [Walter Hop and ModSecurity team]
 * Fixed start up crash on Apache with mod_ssl configured. Crash was happening
   during the download of remote resources.
   [Christian Folini, Walter Hop and ModSecurity team]
 * Curl is not a mandatory dependency to ModSecurity core anymore.
   [Rainer Jung and ModSecurity team]

18 Nov 2014 - 2.9.0-RC1
-----------------------

* `pmFromFile' and `ipMatchFromFile' operators are now accepting HTTPS served
    files as parameter.
 * `SecRemoteRules' directive - allows you to specify a HTTPS served file that
    may contain rules in the SecRule format to be loaded into your ModSecurity
    instance.
 * `SecRemoteRulesFailAction' directive - allows you to control whenever the
    user wants to Abort or just Warn when there is a problem while downloading
    rules specified with the directive: `SecRemoteRules'.
 * `fuzzyHash' operator - allows to match contents using fuzzy hashes.
 * `FILES_TMP_CONTENT' collection - make available the content of uploaded
    files.
 * InsecureNoCheckCert - option to validate or not a chain of SSL certificates
   on mlogc connections.
 * ModSecurityIIS: ModSecurity event ID was changed from 0 to 0x1.
   [Issue #676 - Kris Kater and ModSecurity team]
 * Fixed signature on "status call": ModSecurity is now using the original
   server signature.
   [Issues #702 - Linas and ModSecurity team]
 * YAJL version is printed while ModSecurity initialization.
   [Issue #703 - Steffen (Apache Lounge) and Mauro Faccenda]
 * Fixed subnet representation using slash notation on the @ipMatch operator.
   [Issue #706 - Walter Hop and ModSecurity team]
 * Limited the length of a status call.
   [Issue #714 - 'cpanelkurt' and ModSecurity team]
 * Added the missing -P option to nginx regression tests.
   [Issue #720 - Paul Yang]
 * Fixed automake scripts to do not use features which will be deprecated in
   the upcoming releases of automake.
   [Issue #760 - ModSecurity team]
 * apr-utils's LDFALGS is now considered while building ModSecurity.
   [Issue #782 - Daniel J. Luke]
 * IIS installer is not considering IIS 6 as compatible anymore.
   [Issue #790 - ModSecurity team]
 * Fixed yajl build script: now looking for the correct header file.
   [Issue #804 - 'rpfilomeno' and ModSecurity team]
 * mlgoc is now forced to use TLS 1.x.
   [Issue #806 - Josh Amishav-Zlatin and ModSecurity team]

14 Apr 2014 - 2.8.0
-------------------

Bug fix
 * Build issue: Now using autotools to idenfiy if sys/utsname.h is present.
 * Change configure.ac version to 2.8

31 Mar 2014 - 2.8.0-RC1
-----------------------

New features
 * JSON Parser is no longer under tests. Now it is part of our mainline;
 * Connection limits (SecConnReadStateLimit/SecConnWriteStateLimit) now support white and suspicious list;
 * New variables: FULL_REQUEST and FULL_REQUEST_LENGTH were added, allowing the rules to access the full content of a request;
 * ModSecurity status is now part of our mainline;
 * New operator: @detectXSS was added. It makes usage of the newest libinjection XSS detection functionality;
 * Append and prepend are now supported on nginx (Ref: #635);
 * SecServerSignature is now available on nginx (Ref: #637).

Improvements 
 * Regression tests are not able to expect different values according to the platform;
 * Visual C++ 12/10 runtime dependencies are now part of the IIS installer, no need to have it installed prior ModSecurity installation (Ref: #627);
 * New script was added to the IIS versions to identify whenever there is a missing dependency (available through the Application Menu);
 * Memory usage improvement: using correct memory pools according to the context (Ref: #618, #620, #619);
 * Independent API call to free the connection allocations, independently from the request objects, improvements on Nginx performance, vide issue for more information (Ref: #620, #648);
 * IIS installer is now using the correct 32/64bits folders to install;
 * IIS Installer 32bits now refuses to install on 64bits environments;
 * IIS: Using new WiX options to build the package in the correct architecture;
 * While installing IIS version the installer will remove old ModSecurityIIS configuration or files before proceed with the installation, avoiding further errors;
 * CRS from IIS version was upgraded to 2.2.9;
 * IIS installer does not support repair anymore, in fact it was not working already and it is now disabled;
 * ModSecurity now warns the user who tries to use "proxy" in IIS or Nginx. Proxy is Apache only;
 * Remove warnings from the build process (Ref: #617);
 * Apache configuration in regression tests was changed making it more platform independent;
 * Reduced the amount of warnings during the compilation (Ref: #385a2828e87897bd611bd2a519727ef88dc6d632, #1e63e49db4a592d28e08a33fc60750c37a3886fe);
 * Regression tests were refactored to be more Nginx friendly;
 * Fixed some regression tests that were not being flexible to handle multiple platforms: (Ref #636)
        - Fixed config/00-load-modsec.t test case. Now it expects for Nginx loaded message as it does for Apache. (Ref: #643);
        - Fixed mixed/10-misc-directives.t. Now it does not expect for SecServerSignature on the logs, just in the headers as the Nginx does in silence.
        - Fixed tnf/10-tfn-cache.t, action/10-logging.t, config/10-misc-directives.t, config/10-request-directives.t, misc/00-multipart-parser.t , misc/10-tfn-cache.t, rule/20-exceptions.t, rule/00-basics.t, rule/10-xml.t;
        - Increased the timeout while reading the auditlog;
        - SecAuditLogType Concurrent was removed from the regression test case, not compatible with all ports yet;
        - Regression tests were speeded up, as the number of tests are growing it is impossible to have it slow;
        - Fixed regression tests scripts paths, to make it MacOS friendly;
        - Avoiding dead locks on Nginx regression tests by enforcing a timeout whenever a request appears to fail; 
 * Updates to fix errors found by Parfait static code analysis (Ref: #612);
 * Cleaning up on the repository, by removing unused files;
 * IIS installer now supports to perform the installation without register the DLL on the system. It means that the user can download our MSI installer as it was a tarball archive (Ref #629, #624);
 * IIS now support 32bits and 64bits pools, both are registered on IIS (Ref #628).

Bug fix
 * Correctly handling inet_pton in IIS version;
 * Nginx was missing a terminator while the charset string was mounted (Ref: #148);
 * Added mod_extract_forwarded.c to run before mod_security2.c (Ref: #594);
 * Added missing environment variables to regression tests;
 * Build system is now more flexible by looking at liblua at: /usr/local/lib;
 * Fixed typo in README file.
 * Removed the non standard compliant HTTP response status code 44 from modsecurity recommended file (Ref: #665);
 * Fixed segmentation fault if it fails to write on the audit log (Ref: #668);
 * Not rejecting a larger request with ProcessPartial. Regression tests were also added (Ref: #597);
 * Fixed UF8 to unicode conversion. Regression tests were also added(Ref: #672);
 * Avoiding segmentation fault by checking if a structure is null before access its members;
 * Removed double charset-header that used happen due a hardcoded charset in Nginx implementation (Ref: #650);
 * Now alerting the users that there is no memory to proceed loading the configuration instead of just die;
 * If SecRuleEngine is set to Off and SecRequestBodyAccess On Nginx returns error 500. Standalone is now capable to identify whenever ModSecurity is enabled or disabled, independently of ModSecurity core (Ref: #645); 
 * Fixed missing headers on Nginx whenever SecResponseBodyAccess was set to On and happens to be a filter on phase equals or over 3. (Ref #634);
 * IIS is now picking the correct version of AppCmd while uninstalling or installing ModSecurityISS. (Ref #632).

17 Dec 2013 - 2.7.7
-------------------
Fixes:

- Changed release version to 2.7.7
- Got the configure scripts inside the release tarball

16 Dec 2013 - 2.7.6 
-------------------
Improvements:

- Organizes all Makefile.am - 1cde4d2dd9d96747536c1c25d06ba0677069477f
  Now using one file per line (sorted). This is the better way to handle it, since it reduces the possibility of merge conflicts.

- nginx: generates config file using configure input. - 351b9cc357d439e30ebd61d89a9e38ecf55c6827
  The nginx config file was looking for depedencies by its own, by doing that it was ignoring the options that were passed to configure script. This commit deletes this config file and adds a meta-config which is populated by configure whenever the standalone-module is enabled.

- nginx: adds lua support - da16d9e5d51d4ef8734687514a4e1368e7fb4284

- iis: Cosmetics fixies on sqli. - 5046c8327ea21c69b4c0d0c0057c692b05b09fef
  This is needed to get it compiled with VS2011 on Windows8

- Regression tests: makes configuration compatible with 2.2 and 2.4 (try 2) - ae252ee8767069363906e5a611dff487b799b839

- nginx: Trying apxs and apxs2 while compiling nginx module - 65d9272fdc353e1263567b60604542d377d19672

- nginx: Trying apxs and apxs2 while compiling nginx module - 35fd75d859e4a8873b8843da1db13e04a1b08140

- macos: Using glibtoolize instead of libtoolize - 751a9f4e45213cd69f00c62c71edc9d7ad99b82d

- regression-tests: makes configuration compatible with 2.2 and 2.4 - 6fc4cac37ab1be8d1232140042b58fe4bd93ee17

- Regression test: get it working with apache 2.4 - e9813cd0d9bfc5b0c9aa5832634ec1b39b805108
  Changes in httpd.conf.in to get it working with apache 2.4

- Code cosmetics. - 7366f35c1d80772d739b35da8faa972f92a72b97
  Changed to reduce the number of possible fails during Build Bot compilation.

- iis: Waiting for 5 seconds before move curl directory - 9bf2959c919587ebc63f5a1b8c0785da8927bff5
  Testing buildbot.

- Redefines unixd_set_global_mutex_perms on tests - f70f6f4281b806627e0cf0dbb9c84ae5864bdb16
  Avoding conflicts with the standalone implementation

- Adds verbose quality check - 388943440cc9b8c6fdea09f5e365a2e5a3e792e2
  Vera++ and ccpcheck are not outputing to the stderr instead stdout allowing the buildbot to extract some numbers about it.

- Adds support for coding style and quality check - b77e90152d119609ac78a7028383c3b79898b2cf
  Initial effort to get the code on shape. This will be executed by the buildbots as soon as they get ready for it.

- iis: New improvements on the Wix installer - 2ea5a74a7bfb00f21312e51e48aa6dac03d84600
  * Now the installation is divided in modules: ModSecurity and CRS.
  * Added default configuration
  * Configuration was moved to "Program Files" folder
  * Build_msi script now using candle available in %PATH%

- iis: Removes the installer helper dependency - 1a12648c9f6028f251af0f03c889397c7954b74c
  Now using appcmd directly with WiX instead of calling the installer helper.

- iis: Remove readme.html - 550d5aae21cba696cac1ce75ab8113e5255d5a59
  This HTML is about "Creating a Native Module for IIS7" not straight related to ModSecurity itself.

- iis: Adds batch script to compile Wix - a2c5fc831baf0b324ebb66b0f878dacf1ec2f808
  This batch script can be used to generate our msi installer.

- iis: Adds Wix installer resources - 3604763e15a665eb7a6ecae1f7e7c65cebbb1d17
  This is all about cosmetic changes.

- iss: Removes Post-Build event. - 28bbde1bb218b004654cb865fc8563d69b848dc2
  There was a copy on Post-Build event using a hard coded path. This patch removes this Post-Build event.

- iis: Relative paths on the VS project file - 368617ddb2443f9b6036f80a648d467d07c9a054
  There are a ModSecurityIIS solution and project files, those were using hard coded paths to meet the dependencies. As consequence of the last update in our build scripts, now we are able to built the dependencies and load it to our Visual Studio project using relative paths.

- iis: Adds release script - 9477118903861ce80c4c27cb581bf3462315e98e

- iis: fixies the Installer.cpp coding style - 79875b1af8e8571098345b91557bab9c06eb7c88

- iis: Removes AppWizard remade file - 91738f93bcc82b6ab756c550a66b6cf6af2fa9f8
  Apparently the AppWizard was used to generate part of this Installer, the ReadMe.txt created by the AppWizard was removed by this commit

- iss: Removes pre-compiled headers - adfbeb85dcfa9466b72eebb8d1bd8eb7728bab79
  No need to use the pre-compiled headers in InstallerHelper, removing it, in order to keep the project lean.

- iis: Moves installer to InstallerHelper - 6adf25667dd4bfa33010bd6d8ae3d35046a69967
  To organize the folder the Installer application was renamed to installer helper. It is not the real installer, it is just an helper which is executed during the installation phase.

- iss: Removes fart dependencies - 8c3b8d81b613aaa38f28472af1eb26c90c7fc9da
  This commit removes the dependency of the fart.exe utility. The utility was responsible to rename contents inside some dependencies build files. Those modifications are not longer needed.

- iss: Better err handling in build scripts. - 192599bf63b6ae5aa08e4536a90d5d0a17f969f7
  Now checking for errors in every step of the build phase

- iis: Moves build_module.bat to build_modsecurity.bat - e25c6b2e85ced7beba4d41867dbdf30e9c1286d3
  The build_modsecurity.bat is now on the iis sub-directory, not in the dependencies anymore. Its content was also changed fixing all the paths.

- iis: Identifies arch before unzip apache - cf5de78dfb9fffd21edf17af9e1db8f2fd83c804
  Currently we need the Apache binary which could be used in 32 or 64 bits. This patch makes usage of 'cl' to identify which architecture is set.

- iis: Renamves winbuild to dependencies - 1447766e816a896e88c9c8f053fcc3f62797bac1
  Since the directory becomes all about dependencies there is no need to call it winbuild anymore.

- iis: Removes unnecessary files from winbuild dir - 9f8cbf6ed8034ba42aa4967699308df09864fd18
  Those .mak files seems to be part of an old build system. Since the script are now working fine, this commit removes all those .mac files and also a CMakeList.txt and the Makefile.win.

- iis: Improves the iis build system - b277e538f28c87c81c1b50925dd8b82996b88294
  Now checking for common errors while building. Refactoring on the build scripts, now there is this build_dependencies.bat script on the iis sub-folder. By calling this script all the dependencies should be build under the winbuild/. This commit also removes build scripts that were not needed anymore.

- iis: Fixes the vcxproj file - a946a163f0ad822c760af80ca32dda61f0e6b2a9
  Versions of the dependencies were changed, as long as the version of the Visual Studio, now 12.

- iis: Removes unecessary files from the build system - 26738d2e34bcc7620047bd23180e0e26a64c71ee
  The following files were removed:
  * VCVarsQueryRegistry.bat
  * vcvars64.bat
  * vsvars32.bat
The visual studio files can be called direcltly, not necessary to distribute those files, at least in VS12.

- iss: Changes httpd version 2.4.6 - 0a772cb0748aa51a01800e0473309b9de792b456
  Apache version was changed to 2.4.6 to sync with the current apache lounge version.

- iis: Changes the version of the dependencies - 3e6fb41d36b7a5e98a55d8f52b88b29d1bd50b64
  * pcre from 8.30 to 8.33
  * zlib from 1.2.7 to 1.2.8
  * libxml2 from 2.7.7 to 2.9.1
  * curl from 7.24 to 7.33.0

- Removes standalone/Makefile.in - e3c19d53d23c48fea337aae76a87b2a85c36a1f1
  Makefile.in is recommended to be in the repository whenever it is edit manually, in our case the automatically generated Makefile.in is ok.

Bug Fixes:

- test: Avoids conflict of fuctions definition - cef72855e4106ce29e1d39103ebf9eb9ab28f17e

- test: Makes the unit tests to work again - cc982ae42ec86c79a67be1a01c6ee35fb06c272c
  The unit tests was not working due to lack update. This patch adds the necessary stuff to have it work again.

- iis: Avoids directory link while building - ad330a44bfa39430cf6340cb52971568cccdf1d6
  Build scripts was creating links allowing the project to be loaded into Visual Studio without care about the dependencies versions. Sometimes windows refuse to delete those links leading the script to fail. This patch moves the sources directories instead of create links to it.

- QA: Avoids the utilization of 3rd filedescriptor - 69c5ccac662f4e11a6eefd54a3e912583c067b9d
  No need to use a 3rd description on the quality check scripts. Stderr is now redirected to stdout and filtered as needed.

- Supports WarningCountingShellCommand in cppcheck and vera - baaf502363e68c3240b60adb7f7c91f5b4f0ba03
  WarningCountingShellCommand allow us to have some measurements on the buildbot waterfall.

- iis: Using base_rules instead of activated_rules - 7b1537058fa451e0df7098cd907ef19f04102f9d

- iis: Fix inet_pton build problem - a4202146b8d26b6615bbab986383fe0afae60d77
  There is a function named inet_pton on windows API, with different signature. This patch just override the windows function and point the inet_pton to our implementation.

- iis: Adds Wix installer xml file.c - b32cb7d9ab397160f0154aa4bd4e9638658b41e6
  This commit adds the Wix template to our git repository.

- iis: build_modsecurity.bat fixies - 7e03e3f840375ed682c35a5bb67932461cc77013
  This commit enable a cleanup on the mod_security build directory avoiding symbols with different architectures.

- iis: Fix mlogc build on windows - 9b7663fa79377a0685130a019916d810f31e7478
  The libcurl path was not pointing to the correct directory

- Fix #154, Uses addn instead of apr_table_setn - 1734221d9d3a78f9aafd68e35717da9ee1a4fe51
  The headers are represented in the format of an apr_table, which is able to handle elements with the same key, however the function apr_table_setn checks if the key exists before add the element, if so it replaces the old value with the new one. This was making our implementation to just keep the last added Cookie. The apr_table_addn function, which is now used, just add a new item without check for olders one.

- Merge pull request #579 from zimmerle/revert_139 - 61e54f2067ae760808359926ff91d57275df1aac
  Revert merge request #139

- Revert "Merge pull request #139 from chaizhenhua/remotes/trunk" - 7f7d00fa2c364716691df1b45779304b24a0debb
  This reverts commit 10fd40fb0d06f6c577d870b6f15d2f6e2a3a5b1b, reversing changes made to 414033aafa94cd50c9b310afd3f164740caccc94.

- Merge pull request #578 from client9/remotes/trunk - b0c3977845f60747b15ae10531b7d20355a22627
  libinjection sync to v3.8.0

- libinjection sync - a5f175d79fac1e69124da4e1e227b622e7e233d7

- Merge pull request #152 from client9/remotes/trunk - 88ebf8a0bdbc4db1be76f3a2e70df77cc52a5925
  Sync to libinjection v3.7.1

- libinjection sync - fcb6dc13ed6efb066fb9b70405eecab8b83a2d96

- libinjection sync - f52242a013f301ca5c17e59b662124833cb7cc6d

- Merge pull request #148 from zimmerle/bugfix_charset_missing_string_terminator - b76e26d81ddafc2b99bffad53d1426f8fd33080a
  Bugfix: missing string terminator while mounting the charset (nginx)

- Bugfix: missing string terminator while mounting the charset (nginx) - ff19dcd5c53d4af61d0a9397d4616f47f80ee207
  The charset in headers is mounted using ngx_snprintf which does not place the string terminator. This patch adds the terminator at the end of the string. The size was correctly allocated, just missing the terminator.

- Merge pull request #141 from client9/remotes/trunk - 9a630eea23a7ead4e77617c86dc937fd7a421a57
  libinjection sync to v3.6.0

- libinjection sync - 11217207e8f2e0cf15742273836399866971071a

- Merge pull request #139 from chaizhenhua/remotes/trunk - 10fd40fb0d06f6c577d870b6f15d2f6e2a3a5b1b
  Fixed fd leackage after reload

- Merge pull request #138 from client9/remotes/trunk - 414033aafa94cd50c9b310afd3f164740caccc94
  libinjection sync

- Fixed fd leackage after reload - e0993fcd7a166ce9e1a279a47d050af1311d9001

- libinjection sync - 2268626c20260e88cab9b7830f8a06101fa7172a

- Fix logical disjunction and conjunction issues - 7e0a9ecf7d492e85650671a0cfcfd53e5f15df2c

Security Issues:

- Fix Chunked string case sensitive issue - CVE-2013-5705 - f8d441cd25172fdfe5b613442fedfc0da3cc333d
  (Thanks Martin Holst Swende - @mhswende)

- Revert "Fix Chuncked string case sensitive issue" - 3901128f17e0763ac1a260106b79859d2aad6d90
  This reverts commit 16a815a3c2735f62238ef99af26090a2b8430d3d.

- Fix Chuncked string case sensitive issue - 16a815a3c2735f62238ef99af26090a2b8430d3d

23 Jul 2013 - 2.7.5
-------------------
Improvements:

* SecUnicodeCodePage is deprecated. SecUnicodeMapFile now accepts the code page as a second parameter.

* Updated Libinjection to version 3.4.1. Many improvements were made.

* Severity action now supports strings (emergency, alert, critical, error, warning, notice, info, debug).

Bug Fixes:

* Fixed utf8toUnicode tfn null byte conversion.

* Fixed NGINX crash when issue reload command.

* Fixed flush output buffer before inject modified hashed response body.

* Fixed url normalization for Hash Engine.

* Fixed NGINX ap_unixd_set_global_perms_mutex compilation error with apache 2.4 devel files.

Security Issues:

10 May 2013 - 2.7.4
-------------------
Improvements:

* Added Libinjection project http://www.client9.com/projects/libinjection/ as a new operator @detectSQLi. (Thanks Nick Galbreath).

* Added new variable SDBM_DELETE_ERROR that will be set to 1 when sdbm engine fails to delete entries.

* NGINX is now set to STABLE. Thanks chaizhenhua and all the people in community who help the project testing, sending feedback and patches.

Bug Fixes:

* Fixed SecRulePerfTime storing unnecessary rules performance times.

* Fixed Possible SDBM deadlock condition.

* Fixed Possible @rsub memory leak.

* Fixed REMOTE_ADDR content will receive the client ip address when mod_remoteip.c is present.

* Fixed NGINX Audit engine in Concurrent mode was overwriting existing alert files because a issue with UNIQUE_ID.

* Fixed CPU 100% issue in NGINX port. This is also related to an memory leak when loading response body.

Security Issues:

* Fixed Remote Null Pointer DeReference (CVE-2013-2765). When forceRequestBodyVariable action is triggered and a unknown Content-Type is used,
      mod_security will crash trying to manipulate msr->msc_reqbody_chunks->elts however msr->msc_reqbody_chunks is NULL. (Thanks Younes JAAIDI).

28 Mar 2013 - 2.7.3
-------------------

* Fixed IIS version race condition when module is initialized.

* Fixed IIS version failing config commands in libapr.

* Nginx version is now RC quality. The rule engine should works for all phases.
    We fixed many issues and missing features (for more information please check jira).
    Code is running well with latest Nginx 1.2.7 stable.
    Thanks chaizhenhua for your help.

* Added MULTIPART_NAME and MULTIPART_FILENAME. Should be used soon by CRS
    and will help prevent attacks using multipart data.

* Added --enable-htaccess-config configure option. It will allow the follow directives
    to be used into .htaccess files when AllowOverride Options is set:

- SecAction
        - SecRule

- SecRuleRemoveByMsg
        - SecRuleRemoveByTag
        - SecRuleRemoveById

- SecRuleUpdateActionById
        - SecRuleUpdateTargetById
        - SecRuleUpdateTargetByTag
        - SecRuleUpdateTargetByMsg

* Improvements in the ID duplicate code checking. Should be faster now.

* SECURITY: Added SecXmlExternalEntity (On|Off - default it Off) that will disable
    by default the external entity load task executed by LibXml2. This is a security issue
    [CVE-2013-1915] reported by Timur Yunusov, Alexey Osipov (Positive Technologies).

21 Jan 2013 - 2.7.2
-------------------

* IIS version is now stable.

* Fixed IIS version does not pass through POST data to ASP.NET when SecRequestBodyAccess
    is set to On (MODSEC-372).

* Fixed IIS version HTTP Request Smuggling protection does not work (MODSEC-344).

* Fixed IIS version PHP Injection Attack (958976) protection does not work (MODSEC-346).

* Fixed IIS version Request limit protections are not working (MODSEC-349).

* Fixed IIS version Outbound protections are not working (MODSEC-350).

* Added IIS version better installer.

* NGINX version removed ModSecurityPassCommand (Thanks chaizhenhua).

* Fixed NGINX version ngx_http_read_client_request_body returned unexpected buffer type (Thanks chaizhenhua).

* Fixed NGINX version INCS config directories on fedora (Thanks chaizhenhua).

* Added NGINX version Added drop action for nginx (Thanks chaizhenhua).

* Fixed bug in cpf_verify operator (Thanks Hideaki Hayashi).

* Fixed build modsecurity under Arch Linux.

* Fixed make test crashing when JIT pcre is enabled.

* Fixed better cookie separator detection code.

* Fixed mod_security displaying wrong ip address in error.log using apache 2.4 and mod_remoteip.

* Fixed mod_security was not compiling when use apr without ipv6 support.

* Fixed mod_security was not compiling when use lua 5.2.

* Fixed issue when execute make install under Solaris.

* Fixed ipmatchf operator was not working as expected.

01 Nov 2012 - 2.7.1
-------------------

* Changed "Encryption" name of directives and options related to hmac feature to "Hash".

SecEncryptionEngine       to SecHashEngine
    SecEncryptionKey          to SecHashKey
    SecEncryptionParam        to SecHashParam
    SecEncryptionMethodRx     to SecHashMethodRx
    SecEncryptionMethodPm     to SecHashMethodPm
    @validateEncryption       to @validateHash
    ctl:EncryptionEnforcement to ctl:HashEnforcement
    ctl:EncryptionEngine      to ctl:HashEngine

* Added a better random bytes generator using apr_generate_random_bytes() to create
    the HMAC key.

* Fixed byte conversion issue during logging under Linux s390x platform.

* Fixed compilation bug with LibXML2 2.9.0 (Thanks Athmane Madjoudj).

* Fixed parsing error with modsecurity-recommended.conf and Apache 2.4.

* Fixed DROP action was disabled for Apache 2 module by mistake.

* Fixed bug when use ctl:ruleRemoveTargetByTag.

* Fixed IIS and NGINX modules bugs.

* Fixed bug when @strmatch patterns use invalid escape sequence (Thanks Hideaki Hayashi).

* Fixed bugs in @verifySSN (Thanks Hideaki Hayashi).

* The doc/ directory now contains the instructions to access online documentation.

15 Oct 2012 - 2.7.0
-------------------

* Fixed Pause action should work as a disruptive action (MODSEC-297).

* Fixed Problem loading mod_env variables in phase 2 (MODSEC-226).

* Fixed Detect cookie v0 separator and use it for parsing (MODSEC-261).

* Fixed Variable REMOTE_ADDR with wrong IP address in NGINX version (MODSEC-337).

* Fixed Errors compiling NGINX version.

* Added Include directive into standalone module. IIS and NGINX module should
    support Include directive like Apache2.

* Added MULTIPART_INVALID_PART flag. Also used in rule id 200002 for multipart strict
    validation. https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txt).

* Updated Reference Manual.

25 Sep 2012 - 2.6.8
-------------------

* Fixed ctl:ruleRemoveTargetByID order issue (MODSEC-333). Thanks to Armadillo Dasypodidae.

* Fixed variable HIGHEST_SEVERITY incorrectly gets reset in a chain rule (MODSEC-315). Thanks to Valery Reznic.

10 Sep 2012 - 2.7.0-rc3
-------------------

* Fixed requests bigger than SecRequestBodyNoFilesLimit were truncated even engine mode was detection only.

* Fixed double close() for multipart temporary files (Thanks Seema Deepak).

* Fixed many small issues reported by Coverity Scanner (Thanks Peter Vrabek).

* Fixed format string issue in ngnix experimental code. (Thanks Eldar Zaitov).

* Added ctl:ruleRemoveTargetByTag/Msg and removed ctl:ruleUpdateTargetByTag/Msg.

* Added IIS and Ngnix platform code.

* Added new transformation utf8toUnicode.

23 Jul 2012 - 2.6.7
-------------------

* Fixed explicit target replacement using SecUpdateTargetById was broken.

* The ctl:ruleUpdateTargetById is deprecated and will be removed for future versions since
   there is no safe way to use it per-request.

* Added ctl:ruleRemoveTargetById that can be used to exclude targets to be processed per-request.

22 Jun 2012 - 2.7.0-rc2
-------------------

* Fixed compilation errors and warnings under Windows platform.

* Fixed SecEncryptionKey was not working as expected.

08 Jun 2012 - 2.7.0-rc1
-------------------

* Added SecEncryptionEngine. Initial crypt engine support, at the momment it will sign some Html
   and Response Header options.

* Added SecEncryptionKey to define the a rand or static key for crypt engine.

* Added SecEncryptionParam to define the new parameter name.

* Added SecEncryptionMethodRx used with a regular expression to inspect the html in response
   body/header and decide what to protect.

* Added SecEncryptionMethodPm used with multiple or single strings to inspect the html in response
   body/header and decide what to protect.

* Added ctl encryptionEngine as a per transaction version of SecEncryptionEgine diretive.

* Added ctl encryptionEnforcement that will allow the engine to sign the data but the enforcement is
   disabled.

* Added validateEncryption operator to enforce the signed elements.

* Added rsub operator supports the syntax |hex| allowing users to use special chars like \n \r.

* Added SecRuleUpdateTargetById now supports id range.

* Added SecRuleUpdateTargetByMsg and its ctl version (Thanks Scott Gifford).

* Added SecRuleUpdateTargetByTag and its ctl version (Thanks Scott Gifford).

* Added SecRulePerfTime when greater than zero it will fill rule id's execution time into PERF_RULE
   and log id=usec information in the new Perf-rule-info: line in part H.

* Added PERF_RULES variable that contains rule execution time.

* Added Engine-mode: section in part H.

* Added ruleRemoveByMsg ctl version.

* Added removeCommentsChar and removeComments now can work with  style.

* Added SecArgumentSeparator and SecCookieFormat can be used in different scope locations.

* Added Rules must have ID action and must be numeric.

* Added The use of tfns are deprecated in SecDefaultAction. Should be forbid in the future.

* Added Macro expansion support to the action pause.

* Added IpmatchFromFile/IpmatchF operator.

* Added New setrsc action, the RESOURCE collection used SecWebAppId Name Space

* Added Configure option --enable-cache-lua that allows reuse of Lua VM per transaction.
   It will only take any effect when ModSecurity has multiple scripts to run per transaction.

* Added Configure option --enable-pcre-jit that allows ModSecurity regex engine to use PCRE Jit support.

* Added Configure option --enable-request-early that allows ModSecurity run phase 1 in post_read_request hook.

* Added RBL operator now support the httpBl api (http://www.projecthoneypot.org/httpbl_api.php).

* Added SecHttpBlKey to be used with httpBl api.

* Added SecSensorId will specify the modsecurity sensor name into audit log part H.

* Added aliases to phase:2 (phase:request), phase:4 (phase:response) and phase:5 (phase:logging).

* Added USERAGENT_IP variable. Created when Apache24 is used with mod_remoteip to know the real
   client ip address.

^ Added new rule metadata actions ver, maturity and accuracy. Also included into RULE collection.

* Updated Reference manual into doc/ directory.

* Fixed Variable DURATION contains the elapsed time in microseconds for compatible reasons with apache and
   other variables.

* Fixed Preserve names/identity of the variables going into MATCHED_VARS.

* Fixed Redirect macro expansion does not work in SecDefaultAction when SecRule uses block action.

* Fixed rsub operator does not work as expect if regex contains parentheses (Thanks Jerome Freilinger).

* Current Google Safe Browsing implementation is deprecated. Google changed the API and does not allow
   anymore the malware database for download.

08 Jun 2012 - 2.6.6
-------------------

* Added build system support for KfreeBSD and HURD.

* Fixed a multipart bypass issue related to quote parsing
   Credits to  Qualys Vulnerability & Malware Research Labs (VMRL).

20 Mar 2012 - 2.6.5
-------------------

* Fixed increased a specific message debug level in SBDM code (MODSEC-293).

* Cleanup build system.

09 Mar 2012 - 2.6.4
-------------------

* Fixed Mlogc 100% CPU consume (Thanks Klaubert Herr and Ebrahim Khalilzadeh).

* Fixed ModSecurity cannot load session and user sdbm data.

* Fixed updateTargetById was creating rule unparsed content making apache memory grow.

* Code cleanup.

23 Feb 2012 - 2.6.4-rc1
-------------------

* Fixed @rsub adding garbage data into stream variables.

* Fixed regex for section A into mlogc-batch-load.pl (Thanks Ebrahim Khalilzadeh).

* Fixed logdata cuts message without closing it with final chars.

* Added sanitizeMatchedBytes support to verifyCPF, verifyCC and verifySSN.

06 Dec 2011 - 2.6.3-rc1
-------------------

* Fixed MATCHED_VARS does not correctly handle multiple VARS with the same name.

* Fixed SDBM garbage collection was not working as expected, increasing the size of files.

* Fixed wrong timestamp calculation for some time zones in log files.

* Fixed SecUpdateTargetById failed to load multiple VARS (MODSEC-270).

* Fixed Reverted hexDecode for hexEncode compatibility reason.

* Added SecCollectionTimeout to set collection timeout, default is 3600.

* Added sqlHexDecode transformation to decode sql hex data. Thanks Marc Stern.

30 Sep 2011 - 2.6.2
-------------------

* Fixed hexDecode test during make.

* Updated the reference manual into doc/ directory.

5 Sep 2011 - 2.6.2-rc1
-------------------

* Added support to macro expansion for rx operator.

* Added new transformations removeComments and removeCommentsChars

* Fixed colletion names are not case-sensitive anymore.

* Fixed compilation errors with apache 2.0.

* Fixed build system was not using some libraries CFLAGS.

* Fixed check for valid hex values into hexDecode transformation.

* Fixed ctl:ruleUpdateTargetById appending multiple targets.

18 Jun 2011 - 2.6.1
-------------------

* Updated the reference manual into doc/ directory.

11 Jul 2011 - trunk
-------------------

* Add HttpBl support to rbl operator.

30 Jun 2011 - 2.6.1-rc1
-------------------

* Fixed SecUploadFileMode doesn't work with the new build system.

* Fixed building with Lua library (Thanks Diego Elio).

* Fixed some ./configure --enable* features not being enabled in compilation time.

* Improvements on GSB database add/search operations.

* Log part K was removed from modsecurity.conf-recommended.

* Added SecUnicodeMapFile directive. Must be use to load the unicode.mapping file.

* Added SecUnicodeCodePage directive. Used to define the unicode code page. There are a few already available:

1250  (ANSI - Central Europe)
    1251  (ANSI - Cyrillic)
    1252  (ANSI - Latin I)
    1253  (ANSI - Greek)
    1254  (ANSI - Turkish)
    1255  (ANSI - Hebrew)
    1256  (ANSI - Arabic)
    1257  (ANSI - Baltic)
    1258  (ANSI/OEM - Viet Nam)
    20127 (US-ASCII)
    20261 (T.61)
    20866 (Russian - KOI8)
    28591 (ISO 8859-1 Latin I)
    28592 (ISO 8859-2 Central Europe)
    28605 (ISO 8859-15 Latin 9)
    37    (IBM EBCDIC - U.S./Canada)
    437   (OEM - United States)
    500   (IBM EBCDIC - International)
    850   (OEM - Multilingual Latin I)
    860   (OEM - Portuguese)
    861   (OEM - Icelandic)
    863   (OEM - Canadian French)
    865   (OEM - Nordic)
    874   (ANSI/OEM - Thai)
    932   (ANSI/OEM - Japanese Shift-JIS)
    936   (ANSI/OEM - Simplified Chinese GBK)
    949   (ANSI/OEM - Korean)
    950   (ANSI/OEM - Traditional Chinese Big5)

Also mapping some extra unicode chars defined at http://tools.ietf.org/html/rfc3490#section-3.1

* Fixed SecRequestBodyLimit was truncating the real request body.

18 May 2011 - 2.6.0
-------------------

* Added SecWriteStateLimit for Slow Post DoS mitigation.

* Fix problem when buffering in input filter.

* Fix memory leak when use MATCHED_VAR_NAMES.

2 May 2011 - 2.6.0-rc2
-------------------

* Added code optimizations - thanks Diego Elio.

* Added support to AIX and HPUX in the build system (untested).

* Renamed decodeBase64Ext to base64DecodeExt.

* Build system improvements - thanks Diego Elio.

* Improvements on gsblookup parser.

* Fixed input filter bug when upload files and SecStreamInBodyInspect is enabled.

* Logging improvements and bug fix.

* Remove extra useless files when make clean and maintainer-clean

18 Apr 2011 - 2.6.0-rc1
-------------------

* Replaced previous GPLv2 License to Apachev2.

* Added Google Safe Browsing lookups operator and directive. It should be
   used to extract and lookup urls from http packets.

* Added Data Modification operator. It must be used with STREAM_* variables
   to replace/add/edit any data from http bodies.

* Added STREAM_OUPUT_BODY and STREAM_INPUT_BODY variables to work with data
   modification operators.

* Added fast ip address operator. It supports partial ip address, cidr for
   IPv4 and IPv6. Thanks Tom Donovan.

* Added new sensitive data tracking verifyCPF and verifySSN.

* Added MATCHED_VARS and MATCHED_VARS_NAMES. It is similiar to MATCHED_VAR,
   but now we should see all matched variables.

* Added UNIQUE_ID variable. It holds the data created my mod_unique_id.

* Added new tranformation cmdline. Thanks Marc Stern.

* Added new exception handling operators and directives. It should help users
   reduce FN and FPs. The directives SecRuleUpdateTargetById, SecRuleRemoveByTag
   and its ctl actions were included.

* Added SecStreamOutBodyInspection and SecStreamInBodyInspection to enable STREAM_*
   variables.

* Added SecGsbLookupDB used to load Google Safe Browsing malware databse into
   memory.

* Added the directive SecInterceptOnError to control what to do if a rule returns
   values less than zero.

* Improvements in DetectionOnly engine mode. Also added SecRequestBodyLimitAction
   to control what to do if the engine receive a http request over a hard limit.
   Note that there is now many combinations with SecRuleEngine and the limit action
   directives for response and request data. Please see the reference manual.

* Improvements under RBL operator. It now will parse return code values for some
   RBL lists.

* Added new Log Part J. It should log some informations about uploaded files.

* Added new sanitizeMatchedBytes action. It will give more flexibilty for user to sanitize
   logged data, also improving peformance when sanitize big amount of data.

* Improvements on Logging phase. It is possible now see full chains, distinguish between
   simple rules, chain starters and chain nodes.

* Improvements on AutoTools usage.

* Improvements on pattern matching operators, pmf, pm and strmatch now supports more flexible
   input data allowing any kind of special char.

* Improvements on SecRuleUpdateActionById to update chain nodes.

* Many bugs were fixed. Please see the ModSecurity Jira for more details

19 Mar 2010 - trunk
-------------------

* Added SecDisableBackendCompression, which disabled backend compression
   while keeping the frontend compression enabled (assuming mod_deflate
   in installed and configured in the proxy). [Ivan Ristic]

* Added REQUEST_BODY_LENGTH, which contains the number of request body
   bytes read. [Ivan Ristic]

* Integrate with mod_log_config using the %{VARNAME}M format string.
   (MODSEC-108) [Ivan Ristic]

* Replaced the previous time-measuring mechanism with a new one, which
   provides the following information: request time, request duration,
   phase duration (for all 5 phases), time spent dealing with persistent
   storage, and time spent on audit logging. The new information is now
   available in the Stopwatch2 audit log header. The Stopwatch header
   remains for backward compatiblity, although it now only includes
   the request time and request duration values. Added the following
   variables: PERF_COMBINED, PERF_PHASE1, PERF_PHASE2, PERF_PHASE3,
   PERF_PHASE4, PERF_PHASE5, PERF_SREAD, PERF_SWRITE, PERF_LOGGING,
   PERF_GC. [Ivan Ristic]

* Added DURATION, which contains the time ellapsed since the beginning
   of the current transaction, in milliseconds. [Ivan Ristic]

* Adjusted phase 5 to execute just prior to mod_log_config. This should
   allow phase 5 rules to to implement conditional logging, as well as
   pave support for allowing access to all ModSecurity variables from
   mog_log_config. [Ivan Ristic]

* Added the URLENCODED_ERROR flag, which is raised whenever invalid URL
   encoding is encountered in the query string or in the request body
   (but only if URLENCODED request body processor is used). (MODSEC-111)
   [Ivan Ristic]

* Removed the obsolete PDF UXSS functionality. (MODSEC-96) [Ivan Ristic]

* Renamed normalisePath to normalizePath and normalisePathWin to
   normalizePathWin. Kept the previous names for backward compatibility.
   (MODSEC-103) [Ivan Ristic]

* Moved phase 1 to be run in the same Apache hook as phase 2. This means
   that you can now have phase 1 rules in <Location> tags and, more
   importantly, override server configuration in <Location> and others.
   (MODSEC-98) [Ivan Ristic]

* Renamed the sanitise family of actions to sanitize. Kept the old variants
   for backward compatibility. (MODSEC-95) [Ivan Ristic]

* Improve the logging of the ctl action. (MODSEC-99) [Ivan Ristic]

* Cleanup build files that were from the Apache source.

14 Feb 2010 - 2.5.13-dev1
-------------------------

* Cleaned up some mlogc code and debugging output.

* Remove the ability to use a relative path to a piped audit logger
   (i.e. mlogc) as Apache does not support it in their piped loggers
   and it was breaking Windows and probably other platforms that
   use spaces in filesystem paths.  Discovered by Tom Donovan.

* Fix memory leak freeing regex.  Discovered by Tom Donovan.

* Fix some portability issues on Windows.

04 Feb 2010 - 2.5.12
--------------------

* Fixed SecUploadFileMode to set the correct mode.

* Fixed nolog,auditlog/noauditlog/nolog controls for disruptive actions.

* Added additional file info definitions introduced in APR 0.9.5 so that
   build will work with older APRs (IBM HTTP Server v6).

* Added SecUploadFileLimit to limit the number of uploaded file parts that
   will be processed in a multipart POST.  The default is 100.

* Fixed path normalization to better handle backreferences that extend
   above root directories.  Reported by Sogeti/ESEC R&D.

* Trim whitespace around phrases used with @pmFromFile and allow
   for both LF and CRLF terminated lines.

* Allow for more robust parsing for multipart header folding.  Reported
   by Sogeti/ESEC R&D.

* Fixed failure to match internally set TX variables with regex
   (TX:/.../) syntax.
 
 * Fixed failure to log full internal TX variable names and populate
   MATCHED_VAR* vars.

* Enabled PCRE "studying" by default.  This is now a configure-time option.

* Added PCRE match limits (SecPcreMatchLimit/SecPcreMatchLimitRecursion) to
   aide in REDoS type attacks.  A rule that goes over the limits will set
   TX:MSC_PCRE_LIMITS_EXCEEDED.  It is intended that the next major release
   of ModSecurity (2.6.x) will move these flags to a dedicated collection.

* Reduced default PCRE match limits reducing impact of REDoS on poorly
   written regex rules.  Reported by Sogeti/ESEC R&D.

* Fixed memory leak in v1 cookie parser.  Reported by Sogeti/ESEC R&D.

* Now support macro expansion in numeric operators (@eq, @ge, @lt, etc.)

* Update copyright to 2010.

* Reserved 700,000-799,999 IDs for Ivan Ristic.

* Fixed SecAction not working when CONNECT request method is used
   (MODSEC-110). [Ivan Ristic]

* Do not escape quotes in macro resolution and only escape NUL in setenv
   values.

04 Nov 2009 - 2.5.11
--------------------

* Added a new multipart flag, MULTIPART_INVALID_QUOTING, which will be
   set true if any invalid quoting is found during multipart parsing.

* Fixed parsing quoted strings in multipart Content-Disposition headers.
   Discovered by Stefan Esser.

* Cleanup persistence database locking code.

* Added warning during configure if libcurl is found linked against
   gnutls for SSL.  The openssl lib is recommended as gnutls has
   proven to cause issues with mutexes and may crash.

* Cleanup some mlogc (over)logging.

* Do not log output filter errors in the error log.

* Moved output filter to run before other stock filters (mod_deflate,
   mod_cache, mod_expires, mod_filter) to avoid analyzing modified data
   in the response. Patch originally submitted by Ivan Ristic.

18 Sep 2009 - 2.5.10
--------------------

* Cleanup mlogc so that it builds on Windows.

* Added more detailed messages to replace "Unknown error" in filters.

* Added SecAuditLogDirMode and SecAuditLogFileMode to allow fine tuning
   auditlog permissions (especially with mpm-itk).

* Cleanup SecUploadFileMode implementation.

* Cleanup build scripts.

* Fixed crash on configuration if SecMarker is used before any rules.

* Fixed SecRuleUpdateActionById so that it will work on chain starters.

* Cleanup build system for mlogc.

* Allow mlogc to periodically flush memory pools.

* Using nolog,auditlog will now log the "Message:" line to the auditlog, but
   nothing to the error log.  Prior versions dropped the "Message:" line from
   both logs.  To do this now, just use "nolog" or "nolog,noauditlog".

* Forced mlogc to use SSLv3 to avoid some potential auto negotiation
   issues with some libcurl versions.

* Fixed mlogc issue seen on big endian machines where content type
   could be listed as zero.

* Removed extra newline from audit log message line when logging XML errors.
   This was causing problems parsing audit logs.

* Fixed @pm/@pmFromFile case insensitivity.

* Truncate long parameters in log message for "Match of ... against ...
   required" messages.

* Correctly resolve chained rule actions in logs.

* Cleanup some code for portability.

* AIX does not support hidden visibility with xlc compiler.

* Allow specifying EXTRA_CFLAGS during configure to override gcc specific
   values for non-gcc compilers.

* Populate GEO:COUNTRY_NAME and GEO:COUNTRY_CONTINENT as documented.

* Handle a newer geo database more gracefully, avoiding a potential crash for
   new countries that ModSecurity is not yet aware.

* Allow checking &GEO "@eq 0" for a failed @geoLookup.

* Fixed mlogc global mutex locking issue and added more debugging output.

* Cleaned up build dependencies and configure options.

05 Mar 2009 - 2.5.9
-------------------

* Fixed parsing multipart content with a missing part header name which
   would crash Apache.  Discovered by "Internet Security Auditors"
   (isecauditors.com).

* Added ability to specify the config script directly using --with-apr
   and --with-apu.

* Updated copyright year to 2009.

* Added macro expansion for append/prepend action.

* Fixed race condition in concurrent updates of persistent counters.  Updates
   are now atomic.

* Cleaned up build, adding an option for verbose configure output and making
   the mlogc build more portable.

21 Nov 2008 - 2.5.8
-------------------

* Fixed PDF XSS issue where a non-GET request for a PDF file would crash the
   Apache httpd process.  Discovered by Steve Grubb at Red Hat.

* Removed an invalid "Internal error: Issuing "%s" for unspecified error."
   message that was logged when denying with nolog/noauditlog set and
   causing the request to be audited.
 
  
24 Sep 2008 - 2.5.7
-------------------

* Fixed XML DTD/Schema validation which will now fail after request body
   processing errors, even if the XML parser returns a document tree.

* Added ctl:forceRequestBodyVariable=on|off which, when enabled, will force
   the REQUEST_BODY variable to be set when a request body processor is not set.
   Previously the REQUEST_BODY target was only populated by the URLENCODED
   request body processor.

* Integrated mlogc source.

* Fixed logging the hostname in the error_log which was logging the
   request hostname instead of the Apache resolved hostname.

* Allow for disabling request body limit checks in phase:1.

* Added transformations for processing parity for legacy protocols ported
   to HTTP(S): t:parityEven7bit, t:parityOdd7bit, t:parityZero7bit

* Added t:cssDecode transformation to decode CSS escapes.

* Now log XML parsing/validation warnings and errors to be in the debug log
   at levels 3 and 4, respectivly.

31 Jul 2008 - 2.5.6
-------------------
  
 * Transformation caching has been deprecated, and is now off by default. We
   now advise against using transformation caching in production.
   
 * Fixed two separate transformation caching issues that could cause incorrect
   content inspection in some circumstances.
   
 * Fixed an issue with the transformation cache using too much RAM, potentially
   crashing Apache with a large number of cache entries. Two new configuration
   options have been added to allow for a finer control of caching:
   
     maxitems: Max number of items to cache (default 1024)
     incremental: Whether to cache incrementally (default off)

* Added an experimental regression testing suite. The regression suite may
   be executed via "make test-regression", however it is strongly advised 
   to only be executed on a non-production machine as it will startup the
   Apache web server that ModSecurity is compiled against with various
   configurations in which it will run tests.

* Added a licensing exception so that ModSecurity can be used in a derivative
   work when that derivative is also under an approved open source license.

* Updated mlogc to version 1.4.5 which adds a LockFile directive and fixes an
   issue in which the configuration file may be deleted.

05 Jun 2008 - 2.5.5
-------------------

* Fixed an issue where an alert was not logged in the error log
   unless "auditlog" was used.

* Enable the "auditlog" action by default to help prevent a misconfiguration.
   The new default is now: "phase:2,log,auditlog,pass"

* Improve request body processing error messages.

* Handle lack of a new line after the final boundary in a multipart request.
   This fixes the reported WordPress Flash file uploader problem.

* Fixed issue with multithreaded servers where concurrent XML processing
   could crash the web server (at least under Windows).

* Fixed blocking in phase 3.

* Force modules "mod_rpaf-2.0.c" and "mod_custom_header.c" to run before
   ModSecurity so that the correct IP is used.

07 May 2008 - 2.5.4
-------------------

* Fixed issue where transformation cache was using the SecDefaultAction
   value even when t:none was used within a rule.

24 Apr 2008 - 2.5.3
-------------------

* Fixed issue where the exec action may not be able to execute shell scripts.

* Macros are now expanded in expirevar and deprecatevar.

* Fixed crash if a persistent variable name was more than 126 characters.

* Updated included Core Ruleset to version 1.6.1 which fixes some
   false negative issues in the migration to using some 2.5 features.

02 Apr 2008 - 2.5.2
-------------------

* Allow HTTP_* targets as an alias for REQUEST_HEADERS:*.

* Make sure temporary filehandles are closed after a transaction.

* Make sure the apache include directory is included during build.

02 Apr 2008 - 2.1.7
-------------------

* Make sure temporary filehandles are closed after a transaction.

14 Mar 2008 - 2.5.1
-------------------

* Fixed an issue where a match would not occur if transformation caching
   was enabled.

* Using "severity" in a default action is now just a warning.

* Cleaned up the "make test" target to better locate headers/libraries.

* Now search /usr/lib64 and /usr/lib32 for lua libs.

* No longer treat warnings as errors by default (use --enable-strict-compile).

19 Feb 2008 - 2.5.0
-------------------

* Updated included Core Ruleset to version 1.6.0 which uses 2.5 features.

* Cleaned up and clarified some documentation.

* Updated code to be more portable so it builds with MS VC++.

* Added unit tests for most operators and transformations.

* Fixed crash on startup when ENV is improperly used without a parameter.

* Allow macro resolution in setenv action.

* The default action is now a minimal "phase:2,log,pass" with no default
   transformations performed.

* Implemented SecUploadFileMode to allow setting the mode for uploaded files.

* Implemented "block" action.

* Implemented SecRuleUpdateActionById.

* Fixed removal of phase 5 rules via SecRuleRemoveBy* directives.

* No longer log the query portion of the URI in the error log as
   it may contain sensitive data.

* Build is now 'configure' based: ./configure && make && make install

* Added support for Lua scripting in the following ways: SecRuleScript
   can be used to specify a script to execute as a rule, the exec
   action processes Lua scripts internally, as does the @inspectFile
   operator. Refer to the documentation for more details.

* Changed how allow works. Used on its own it now allows phases 1-4. Used
   with parameter "phase" (e.g. SecAction allow:phase) it only affects
   the current phase. Used with parameter "request" it allows phases
   1-2.

* Fixed issue where only the first phase 5 rule would run when the
   request was intercepted in an earlier phase.

* Stricter configuration parsing.  Disruptive actions, meta actions and
   phases are no longer allowed in a chained rule.  Disruptive actions,
   are no longer allowed in a logging phase (phase 5) rule, including
   inheriting from SecDefaultAction.

* More efficient collection persistance.

* Fixed t:escapeSeqDecode to better follow ANSI C escapes.

* Added t:jsDecode to decode JavScript escape sequences.

* Added IS_NEW built-in collection variables.

* New audit log part 'K' logs all matching rules.

* Implemented SecRequestBodyNoFilesLimit.

* Enhance handling of the case where we run out of disk space while
   writing to audit log entry.

* Added SecComponentSignature to allow other components the ability
   to append to the logged signature.

* Added skipAfter:<id> action to allow skipping all rules until a rule
   with a specified ID is reached.  Rule execution then continues after
   the specified rule.

* Added SecMarker <id> directive to allow a fixed target for skipAfter.

* Added ctl:ruleRemoveById action to allow rule removal on a match.

* Added a @containsWord operator that will match a given string anywhere in
   the target value, but only on word boundaries.

* Added a MATCHED_VAR_NAME variable to store the last matched variable name
   so that it can be more easily used by rules.

* Added a MATCHED_VAR variable to store the last matched variable value
   so that it can be more easily used by rules.

* Fixed expansion of macros when using relative changes with setvar.  In
   addition, added support for expanding macros in the variable name.

* Situations where ModSecurity will intercept, generate an error or log
   a level 1-3 message to the debug log are now marked as 'relevant' and may
   generate an audit log entry.

* Fixed deprecatevar:var=N/S action so that it decrements N every S seconds
   as documented instead of decrementing by a rate.

* Enable ModSecurity to look at partial response bodies. In previous
   versions, ModSecurity would respond with status code 500 when the
   response body was too long. Now, if SecResponseBodyLimitAction is
   set to "ProcessPartial", it will process the part of the response
   body received up until that point but send the rest without buffering.

* ModSecurity will now process phases 3 and 4 even when request processing
   is interrupted (either by Apache - e.g. by responding with 400, 401
   or 403, or by ModSecurity itself).

* Fixed the base64decode transformation function to not return extra
   characters at the end.

* Return from the output filter with an error in addition to setting
   up the HTTP error status in the output data.

* Used new Apache API calls to get the server version/banner when available.

* Added "logdata" meta action to allow logging of raw transaction data.

* Added TX_SEVERITY that keeps track of the highest severity
   for any matched rules so far.

* Added ARGS_GET, ARGS_POST, ARGS_GET_NAMES, ARGS_POST_NAMES variables to
   allow seperation of GET and POST arguments.

* Added an Apache define (MODSEC_2.5) so that you can conditionally include
   directives based on the ModSecurity major/minor versions with IfDefine.

* Added MODSEC_BUILD variable that contains the numeric build value based
   on the ModSecurity version.

* Enhanced debug logging by displaying more data on rule execution.  All
   invoked rules are now logged in the debug log at level 5.

* Stricter validation for @validateUtf8Encoding.

* No longer process Apache internal subrequests.

* Fixed warnings on Solaris and/or 64bit builds.

* Added @within string comparison operator with support for macro expansion.

* Do not trigger "pause" action for internal requests.

* Added matching rule filename and line number to audit log.

* Added new phrase matching operators, @pm and @pmFromFile.  These use
   an alternate set based matching engine (Aho-Corasick) to perform faster
   phrase type matches such as black/white lists, spam keywords, etc.

* Allow caching transformations per-request/phase so they are not repeated.

* Added Solaris and Cygwin to the list of platforms not supporting the hidden
   visibility attribute.

* Fixed decoding full-width unicode in t:urlDecodeUni.

* Add SecGeoLookupDB, @geoLookups and GEO collection to support
   geographical lookups by IP/host.

* Do not try to intercept a request after a failed rule.  This fixes the
   issue associated with an "Internal Error: Asked to intercept request
   but was_intercepted is zero" error message.

* Removed extraneous exported symbols.

* Merged the PDF XSS protection functionality into ModSecurity.

* Exported API for registering custom variables.  Example in api directory.

* Added experimental support for content injection. Directive
   SecContentInjection (On|Off) controls whether injection is taking place.
   Actions "prepend" and "append" inject content when executed. Do note that
   it is your responsibility to make sure the response is of the appropriate
   content type (e.g. HTML, plain text, etc).

* Added string comparison operators with support for macro expansion:
   @contains, @streq, @beginsWith and @endsWith.

* Enhanced debug log output to log macro expansion, quote values and
   correctly display values that contained NULs.

* Removed support for %0 - %9 capture macros as they were incorrectly
   expanding url encoded values.  Use %{TX.0} - %{TX.9} instead.

* Added t:length to transform a value to its character length.

* Added t:trimLeft, t:trimRight, t:trim to remove whitespace
   from a value on the left, right or both.

* Added SecAuditLog2 directive to allow redundent concurrent audit log
   index files.  This will allow sending audit data to two consoles, etc.

* Removed CGI style HTTP_* variables in favor of REQUEST_HEADERS:Header-Name.

* Store filename/line for each rule and display it and the ID (if available)
   in the debug log when invoking a rule.  Thanks to Christian Bockermann
   for the idea.

* Do not log 'allow' action as intercepted in the debug log.

* Fixed some collection variable names not printing with the parameter
   and/or counting operator in the debug log.

19 Feb 2008 - 2.1.6
-------------------

* Fixed crash on startup when ENV is improperly used without a parameter.

* Allow macro resolution in setenv action.

* Implemented SecUploadFileMode to allow setting the mode for uploaded files.

* No longer log the query portion of the URI in the error log as
   it may contain sensitive data.

10 Jan 2008 - 2.1.5
-------------------

* Updated included Core Ruleset to version 1.5.1.

* Phase 5 rules can now be removed via SecRuleRemoveBy* directives.

* Fixed issue where only the first phase 5 rule would run when the
   request was intercepted in an earlier phase.

* Fixed configuration parsing so that disruptive actions, meta actions
   and phases are not allowed in a chained rule (as originally intended).

* Fixed t:escapeSeqDecode to better follow ANSI C escapes.

27 Nov 2007 - 2.1.4
-------------------

* Updated included Core Ruleset to version 1.5 and noted in the docs that
   XML support is required to use the rules without modification.

* Fixed an evasion FP, mistaking a multipart non-boundary for a boundary.

* Fixed multiple warnings on Solaris and/or 64bit builds.

* Do not process subrequests in phase 2-4, but do hand off the request data.

* Fixed a blocking FP in the multipart parser, which affected Safari.

11 Sep 2007 - 2.1.3
-------------------

* Updated multipart parsing code adding variables to allow checking
   for various parsing issues (request body abnormalities).

* Allow mod_rpaf and mod_extract_forwarded2 to work before ModSecurity.

* Quiet some compiler warnings.

* Do not block internal ErrorDocument requests after blocking request.

* Added ability to compile without an external API (use -DNO_MODSEC_API).

27 Jul 2007 - 2.1.2
-------------------

* Cleaned up and clarified some documentation.

* Update included core rules to latest version (1.4.3).

* Enhanced ability to alert/audit failed requests.

* Do not trigger "pause" action for internal requests.

* Fixed issue with requests that use internal requests.  These had the
   potential to be intercepted incorrectly when other Apache httpd modules
   that used internal requests were used with mod_security.

* Added Solaris and Cygwin to the list of platforms not supporting the hidden
   visibility attribute.

* Fixed decoding full-width unicode in t:urlDecodeUni.

* Lessen some overhead of debugging messages and calculations.

* Do not try to intercept a request after a failed rule.  This fixes the
   issue associated with an "Internal Error: Asked to intercept request
   but was_intercepted is zero" error message.

* Added SecAuditLog2 directive to allow redundent concurrent audit log
   index files.  This will allow sending audit data to two consoles, etc.

* Small performance improvement in memory management for rule execution.

11 Apr 2007 - 2.1.1
-------------------

* Add the PCRE_DOLLAR_ENDONLY option when compiling regular expression
   for the @rx operator and variables.
 
 * Really set PCRE_DOTALL option when compiling the regular expression
   for the @rx operator as the docs state.
 
 * Fixed potential memory corruption when expanding macros.

* Fixed error when a collection was retrieved from storage in the same second
   as creation by setting the rate to zero.

* Fixed ASCIIZ (NUL) parsing for application/x-www-form-urlencoded forms.

* Fixed the faulty REQUEST_FILENAME variable, which used to change
   the internal Apache structures by mistake.

* Updates to quiet some compiler warnings.

* Fixed some casting issues for compiling on NetWare (patch from Guenter Knauf).

23 Feb 2007 - 2.1.0
-------------------

* Removed the "Connection reset by peer" message, which has nothing
   to do with us. Actually the message was downgraded from ERROR to
   NOTICE so it will still appear in the debug log.

* Removed the (harmless) message mentioning LAST_UPDATE_TIME missing.

* It was not possible to remove a rule placed in phase 4 using
   SecRuleRemoveById or SecRuleRemoveByMsg. Fixed.

* Fixed a problem with incorrectly setting requestBodyProcessor using
   the ctl action.

* Bundled Core Rules 2.1-1.3.2b4.

* Updates to the reference manual.

* Reversed the return values of @validateDTD and @validateSchema, to
   make them consistent with other operators.

* Added a few helpful debug messages in the XML validation area.

* Updates to the reference manual.

* Fixed the validateByteRange operator.

* Default value for the status action is now 403 (as it was supposed to
   be but it was effectively 500).

* Rule exceptions (removing using an ID range or an regular expression)
   is now applied to the current context too. (Previously it only worked
   on rules that are inherited from the parent context.)

* Fix of a bug with expired variables.

* Fixed regular expression variable selectors for many collections.

* Performance improvements - up to two times for real-life work loads!

* Memory consumption improvements (not measured but significant).

* The allow action did not work in phases 3 and 4. Fixed.

* Unlocked collections GLOBAL and RESOURCE.

* Added support for variable expansion in the msg action.

* New feature: It is now possible to make relative changes to the
   audit log parts with the ctl action. For example: "ctl:auditLogParts=+E".

* New feature: "tag" action. To be used for event categorisation.

* XML parser was not reporting errors that occured at the end
   of XML payload.

* Files were not extracted from request if SecUploadKeepFiles was
   Off. Fixed.

* Regular expressions that are too long are truncated to 256
   characters before used in error messages. (In order to keep
   the error messages in the log at a reasonable size.)

* Fixed the sha1 transformation function.

* Fixed the skip action.

* Fixed REQUEST_PROTOCOL, REMOTE_USER, and AUTH_TYPE.

* SecRuleEngine did not work in child configuration contexts
   (e.g. <Location>).

* Fixed base64Decode and base64Encode.

15 Nov 2006 - 2.0.4
-------------------

* Fixed the "deprecatevar" action.

* Decreasing variable values did not work.

* Made "nolog" do what it is supposed to do - cause a rule match to
   not be logged. Also "nolog" now implies "noauditlog" but it's
   possible to follow "nolog" with "auditlog" and have the match
   not logged to the error log but logged to the auditlog. (Not
   something that strikes me as useful but it's possible.)

* Relative paths given to SecDataDir will now be treated as relative
   to the Apache server root.

* Added checks to make sure only correct actions are specified in
   SecDefaultAction (some actions are required, some don't make any
   sense) and in rules that are not chain starters (same). This should
   make the unhelpful "Internal Error: Failed to add rule to the ruleset"
   message go away.

* Fixed the problem when "SecRuleInheritance Off" is used in a context
   with no rules defined.

* Fixed a problem of lost input (request body) data on some redirections,
   for example when mod_rewrite is used.

26 Oct 2006 - 2.0.3
-------------------

* Fixed a memory leak (all platforms) and a concurrency control
   problem that could cause a crash (multithreaded platforms only).

* Fixed a SecAuditLogRelevantStatus problem, which would not work
   properly unless the regular expression contained a subexpression.

19 Oct 2006 - 2.0.2
-------------------

* Fixed incorrect permissions on the global mutex, which prevented
   the mutex from working properly.

* Fixed incorrect actionset merging where the status was copied from
   the child actionset even though it was not defined.

* Fixed missing metadata information (in the logs) for warnings.

16 Oct 2006 - 2.0.1
-------------------

* Rules that used operator negation did not work. Fixed.

* Fixed bug that prevented invalid regular expressions from being reported.

16 Oct 2006 - 2.0.0
-------------------

* First stable 2.x release.

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