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Changes with Apache 2.0.50

  *) Fix segfault in mod_expires, which occured under certain
     circumstances. PR 28047.  [André Malo]

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  *) htpasswd: use apr_temp_dir_get() and general cleanup
     [Guenter Knauf <eflash gmx.net>, Thom May]

  *) mod_ssl: Fix memory leak in session cache handling.  PR 26562
     [Madhusudan Mathihalli]

  *) mod_ssl: Fix potential segfaults when performing SSL shutdown from
     a pool cleanup.  PR 27945.  [Joe Orton]

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  *) Add forensic logging module (mod_log_forensic).
     [Ben Laurie]

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  *) logresolve: Allow size of log line buffer to be overridden at
     build time (MAXLINE).  PR 27793.  [Jeff Trawick]

  *) Fix the comment delimiter in htdbm so that it correctly parses the 
     username comment.  Also add a terminate function to allow NetWare 
     to pause the output before the screen is destroyed.
     [Guenter Knauf <eflash gmx.net>, Brad Nicholes] 
  
  *) Fix crash when Apache was started with no Listen directives.
     [Michael Corcoran <mcorcoran warpsolutions.com>]

  *) core_output_filter: Fix bug that could result in sending
     garbage over the network when module handlers construct
     bucket brigades containing multiple file buckets all referencing
     the same open file descriptor. [Bojan Smojver]

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  *) Fix memory corruption problem with ap_custom_response() function.
     The core per-dir config would later point to request pool data
     that would be reused for different purposes on different requests.
     [Jeff Trawick, based on an old 1.3 patch submitted by Will Lowe]

  *) Win32: Tweak worker thread accounting routines to eliminate
     server hang when number of Listen directives in httpd.conf
     is greater than or equal to the setting of ThreadsPerChild.
     [Bill Stoddard]

Changes with Apache 2.0.49

  *) SECURITY: CAN-2004-0174 (cve.mitre.org)
     Fix starvation issue on listening sockets where a short-lived
     connection on a rarely-accessed listening socket will cause a
     child to hold the accept mutex and block out new connections until
     another connection arrives on that rarely-accessed listening socket.
     With Apache 2.x there is no performance concern about enabling the 
     logic for platforms which don't need it, so it is enabled everywhere
     except for Win32.  [Jeff Trawick]

  *) mod_cgid: Fix storage corruption caused by use of incorrect pool.
     [Jeff Trawick]

  *) Win32: find_read_listeners was not correctly handling multiple
     listeners on the Win32DisableAcceptEx path.  [Bill Stoddard]

  *) Fix bug in mod_usertrack when no CookieName is set.  PR 24483.
     [Manni Wood <manniwood planet-save.com>]

  *) Fix some piped log problems: bogus "piped log program '(null)'
     failed" messages during restart and problem with the logger
     respawning again after Apache is stopped.  PR 21648, PR 24805.
     [Jeff Trawick]

  *) Fixed file extensions for real media files and removed rpm extension
     from mime.types. PR 26079.  [Allan Sandfeld <kde carewolf.com>]

  *) Remove compile-time length limit on request strings. Length is
     now enforced solely with the LimitRequestLine config directive.
     [Paul J. Reder]

  *) mod_ssl: Send the Close Alert message to the peer before closing
     the SSL session.  PR 27428.  [Madhusudan Mathihalli, Joe Orton]

  *) SECURITY: CAN-2004-0113 (cve.mitre.org)
     mod_ssl: Fix a memory leak in plain-HTTP-on-SSL-port handling.
     PR 27106.  [Joe Orton]

  *) mod_ssl: Fix bug in passphrase handling which could cause spurious
     failures in SSL functions later.  PR 21160.  [Joe Orton]

  *) mod_log_config: Fix corruption of buffered logs with threaded
     MPMs.  PR 25520.  [Jeff Trawick]

  *) Fix mod_include's expression parser to recognize strings correctly
     even if they start with an escaped token.  [André Malo]

  *) Add fatal exception hook for use by diagnostic modules.  The hook
     is only available if the --enable-exception-hook configure parm 
     is used and the EnableExceptionHook directive has been set to 
     "on".  [Jeff Trawick]

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  *) Allow mod_auth_digest to work with sub-requests with different
     methods than the original request.  PR 25040.
     [Josh Dady <jpd indecisive.com>]

  *) fix "Expected </Foo>> but saw </Foo>" errors in nested,
     argumentless containers.
     ["Philippe M. Chiasson" <gozer cpan.org>]

  *) mod_auth_ldap: Fix some segfaults in the cache logic.  PR 18756.
     [Matthieu Estrade <apache moresecurity.org>, Brad Nicholes]

  *) mod_cgid: Restart the cgid daemon if it crashes.  PR 19849
     [Glenn Nielsen <glenn apache.org>]

  *) The whole codebase was relicensed and is now available under
     the Apache License, Version 2.0 (http://www.apache.org/licenses).
     [Apache Software Foundation]

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  *) Fixed cache-removal order in mod_mem_cache.
     [Jean-Jacques Clar, Cliff Woolley]

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  *) mod_setenvif: Fix the regex optimizer, which under circumstances
     treated the supplied regex as literal string. PR 24219.
     [André Malo]

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  *) ap_mpm.h: Fix include guard of ap_mpm.h to reference mpm
     instead of mmn. [André Malo]

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  *) mod_rewrite: Catch an edge case, where strange subsequent RewriteRules
     could lead to a 400 (Bad Request) response.  [André Malo]

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  *) Keep focus of ITERATE and ITERATE2 on the current module when
     the module chooses to return DECLINE_CMD for the directive.
     PR 22299.  [Geoffrey Young <geoff apache.org>]

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  *) Add support for IMT minor-type wildcards (e.g., text/*) to
     ExpiresByType.  PR#7991  [Ken Coar]

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  *) Fix segfault in mod_mem_cache cache_insert() due to cache size
     becoming negative.  PR: 21285, 21287
     [Bill Stoddard, Massimo Torquati, Jean-Jacques Clar]

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  *) core.c: If large file support is enabled, allow any file that is
     greater than AP_MAX_SENDFILE to be split into multiple buckets.
     This allows Apache to send files that are greater than 2gig.
     Otherwise we run into 32/64 bit type mismatches in the file size.
     [Brad Nicholes]

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  *) proxy_http fix: mod_proxy hangs when both KeepAlive and
     ProxyErrorOverride are enabled, and a non-200 response without a
     body is generated by the backend server. (e.g.: a client makes a
     request containing the "If-Modified-Since" and "If-None-Match"
     headers, to which the backend server respond with status 304.)
     [Graham Wiseman <gwiseman fscinternet.com>, Richard Reiner]

  *) mod_dav: Reject requests which include an unescaped fragment in the
     Request-URI.  PR 21779.  [Amit Athavale <amit_athavale lycos.com>]

  *) Build array of allowed methods with proper dimensions, fixing
     possible memory corruption.  [Jeff Trawick]

  *) mod_ssl: Fix potential segfault on lookup of SSL_SESSION_ID.
     PR 15057.  [Otmar Lendl <lendl nic.at>]

  *) mod_ssl: Fix streaming output from an nph- CGI script. PR 21944
     [Joe Orton]

  *) mod_usertrack no longer inspects the Cookie2 header for
     the cookie name. PR 11475.  [Chris Darrochi <chrisd pearsoncmg.com>]

  *) mod_usertrack no longer overwrites other cookies.
     PR 26002.  [Scott Moore <apache nopdesign.com>]

  *) worker MPM: fix stack overlay bug that could cause the parent
     process to crash.  [Jeff Trawick]

  *) Win32: Add Win32DisableAcceptEx directive. This Windows
     NT/2000/CP directive is useful to work around bugs in some 
     third party layered service providers like virus scanners, 
     VPN and firewall products, that do not properly handle 
     WinSock 2 APIs.  Use this directive if your server is issuing
     AcceptEx failed messages.
     [Allan Edwards, Bill Rowe, Bill Stoddard, Jeff Trawick]
  *) Make REMOTE_PORT variable available in mod_rewrite.
     PR 25772.  [André Malo]

  *) Fix a long delay with CGI requests and keepalive connections on
     AIX.  [Jeff Trawick]

  *) mod_autoindex: Add 'XHTML' option in order to allow switching between
     HTML 3.2 and XHTML 1.0 output. PR 23747.  [André Malo]

  *) Add XHTML Document Type Definitions to httpd.h (minor MMN bump).
     [André Malo]

  *) mod_ssl: Advertise SSL library version as determined at run-time rather
     than at compile-time.  PR 23956.  [Eric Seidel <seidel apple.com>]

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  *) mod_ssl: Fix segfault on a non-SSL request if the 'c' log
     format code is used.  PR 22741.  [Gary E. Miller <gem rellim.com>]

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Joe Orton committed
  *) Fix build with parallel make.  PR 24643.  [Joe Orton]

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