3 Changes with Apache 2.3.7
5 *) mod_ldap: Update LDAPTrustedClientCert to consistently be a per-directory
6 setting only, matching most of the documentation and examples.
7 PR 46541 [Paul Reder, Eric Covener]
9 *) mod_ldap: LDAPTrustedClientCert now accepts CA_DER/CA_BASE64 argument
10 types previously allowed only in LDAPTrustedGlobalCert. [Eric Covener]
12 *) mod_negotiation: Preserve query string over multiviews negotiation.
13 This buglet was fixed for type maps in 2.2.6, but the same issue
14 affected multiviews and was overlooked.
15 PR 33112 [Joergen Thomsen <apache jth.net>]
17 *) mod_ldap: Eliminate a potential crash with multiple LDAPTrustedClientCert
18 when some are not password-protected. [Eric Covener]
20 *) Fix startup segfault when the Mutex directive is used but no loaded
21 modules use httpd mutexes. PR 48787. [Jeff Trawick]
23 *) Proxy: get the headers right in a HEAD request with
24 ProxyErrorOverride, by checking for an overridden error
25 before not after going into a catch-all code path.
26 PR 41646. [Nick Kew, Stuart Children]
28 *) support/rotatelogs: Support the simplest log rotation case, log
29 truncation. Useful when the log is being processed in real time
30 using a command like tail. [Graham Leggett]
32 *) support/htcacheclean: Teach it how to write a pid file (modelled on
33 httpd's writing of a pid file) so that it becomes possible to run
34 more than one instance of htcacheclean on the same machine.
37 *) Log command line on startup, so there's a record of command line
38 arguments like -f. PR 48752. [Dan Poirier]
40 *) Introduce mod_reflector, a handler capable of reflecting POSTed
41 request bodies back within the response through the output filter
42 stack. Can be used to turn an output filter into a web service.
45 *) mod_proxy_http: Make sure that when an ErrorDocument is served
46 from a reverse proxied URL, that the subrequest respects the status
47 of the original request. This brings the behaviour of proxy_handler
48 in line with default_handler. PR 47106. [Graham Leggett]
50 *) Support wildcards in both the directory and file components of
51 the path specified by the Include directive. [Graham Leggett]
53 *) mod_proxy, mod_proxy_http: Support remote https proxies
54 by using HTTP CONNECT. PR 19188.
55 [Philippe Dutrueux <lilas evidian.com>, Rainer Jung]
57 Changes with Apache 2.3.6
59 *) worker: Don't report server has reached MaxClients until it has.
60 Add message when server gets within MinSpareThreads of MaxClients.
61 PR 46996. [Dan Poirier]
63 *) mod_session: Session expiry was being initialised, but not updated
64 on each session save, resulting in timed out sessions when there
65 should not have been. Fixed. [Graham Leggett]
67 *) mod_log_config: Add the R option to log the handler used within the
68 request. [Christian Folini <christian.folini netnea com>]
70 *) Allow fine control over the removal of Last-Modified and ETag headers
71 within the INCLUDES filter, making it possible to cache responses if
72 desired. Fix the default value of the SSIAccessEnable directive.
75 *) Add new UnDefine directive to undefine a variable. PR 35350.
78 *) Make ap_pregsub(), used by AliasMatch and friends, use the same syntax
79 for regex backreferences as mod_rewrite and mod_include: Remove the use
80 of '&' as an alias for '$0' and allow to escape any character with a
81 backslash. PR 48351. [Stefan Fritsch]
83 *) mod_authnz_ldap: If AuthLDAPCharsetConfig is set, also convert the
84 password to UTF-8. PR 45318.
85 [Johannes Müller <joh_m gmx.de>, Stefan Fritsch]
87 *) ab: Fix calculation of requests per second in HTML output. PR 48594.
90 *) mod_authnz_ldap: Failures to map a username to a DN, or to check a user
91 password now result in an informational level log entry instead of
92 warning level. [Eric Covener]
94 Changes with Apache 2.3.5
96 *) Ensure each subrequest has a shallow copy of headers_in so that the
97 parent request headers are not corrupted. Elimiates a problematic
98 optimization in the case of no request body. PR 48359
99 [Jake Scott, William Rowe, Ruediger Pluem]
101 *) Turn static function get_server_name_for_url() into public
102 ap_get_server_name_for_url() and use it where appropriate. This
103 fixes mod_rewrite generating invalid URLs for redirects to IPv6
104 literal addresses. [Stefan Fritsch]
106 *) mod_ldap: Introduce new config option LDAPTimeout to set the timeout
107 for LDAP operations like bind and search. [Stefan Fritsch]
109 *) mod_proxy, mod_proxy_ftp: Move ProxyFtpDirCharset from mod_proxy to
110 mod_proxy_ftp. [Takashi Sato]
112 *) mod_proxy, mod_proxy_connect: Move AllowCONNECT from mod_proxy to
113 mod_proxy_connect. [Takashi Sato]
115 *) mod_cache: Do an exact match of the keys defined by
116 CacheIgnoreURLSessionIdentifiers against the querystring instead of
117 a partial match. PR 48401.
118 [Dodou Wang <wangdong.08 gmail.com>, Ruediger Pluem]
120 *) mod_proxy_balancer: Fix crash in balancer-manager. [Rainer Jung]
122 *) Core HTTP: disable keepalive when the Client has sent
124 but we respond directly with a non-100 response.
125 Keepalive here led to data from clients continuing being treated as
129 *) Core: reject NULLs in request line or request headers.
132 *) Core: (re)-introduce -T commandline option to suppress documentroot
134 PR 41887 [Jan van den Berg <janvdberg gmail.com>]
136 *) mod_autoindex: support XHTML as equivalent to HTML in IndexOptions,
137 ScanHTMLTitles, ReadmeName, HeaderName
138 PR 48416 [Dmitry Bakshaev <dab18 izhnet.ru>, Nick Kew]
140 *) Proxy: Fix ProxyPassReverse with relative URL
141 Derived (slightly erroneously) from PR 38864 [Nick Kew]
143 *) mod_headers: align Header Edit with Header Set when used on Content-Type
144 PR 48422 [Cyril Bonté <cyril.bonte free.fr>, Nick Kew>]
146 *) mod_headers: Enable multi-match-and-replace edit option
149 *) mod_filter: enable it to act on non-200 responses.
152 Changes with Apache 2.3.4
154 *) Replace AcceptMutex, LockFile, RewriteLock, SSLMutex, SSLStaplingMutex,
155 and WatchdogMutexPath with a single Mutex directive. Add APIs to
156 simplify setup and user customization of APR proc and global mutexes.
157 (See util_mutex.h.) Build-time setting DEFAULT_LOCKFILE is no longer
158 respected; set DEFAULT_REL_RUNTIMEDIR instead. [Jeff Trawick]
160 *) http_core: KeepAlive no longer accepts other than On|Off.
163 *) mod_dav: Remove errno from dav_error interface. Calls to dav_new_error()
164 and dav_new_error_tag() must be adjusted to add an apr_status_t parameter.
167 *) mod_authnz_ldap: Add AuthLDAPBindAuthoritative to allow Authentication to
168 try other providers in the case of an LDAP bind failure.
169 PR 46608 [Justin Erenkrantz, Joe Schaefer, Tony Stevenson]
171 *) Build: fix --with-module to work as documented
172 PR 43881 [Gez Saunders <gez.saunders virgin.net>]
174 Changes with Apache 2.3.3
176 *) SECURITY: CVE-2009-3095 (cve.mitre.org)
177 mod_proxy_ftp: sanity check authn credentials.
178 [Stefan Fritsch <sf fritsch.de>, Joe Orton]
180 *) SECURITY: CVE-2009-3094 (cve.mitre.org)
181 mod_proxy_ftp: NULL pointer dereference on error paths.
182 [Stefan Fritsch <sf fritsch.de>, Joe Orton]
183 *) mod_ssl: enable support for ECC keys and ECDH ciphers. Tested against
184 OpenSSL 1.0.0b3. [Vipul Gupta <vipul.gupta sun.com>, Sander Temme]
186 *) mod_dav: Include uri when logging a PUT error due to connection abort.
187 PR 38149. [Stefan Fritsch]
189 *) mod_dav: Return 409 instead of 500 for a LOCK request if the parent
190 resource does not exist or is not a collection. PR 43465. [Stefan Fritsch]
192 *) mod_dav_fs: Return 409 instead of 500 for Litmus test case copy_nodestcoll
193 (a COPY request where the parent of the destination resource does not
194 exist). PR 39299. [Stefan Fritsch]
196 *) mod_dav_fs: Don't delete the whole file if a PUT with content-range failed.
197 PR 42896. [Stefan Fritsch]
199 *) mod_dav_fs: Make PUT create files atomically and no longer destroy the
200 old file if the transfer aborted. PR 39815. [Paul Querna, Stefan Fritsch]
202 *) mod_dav_fs: Remove inode keyed locking as this conflicts with atomically
203 creating files. On systems with inode numbers, this is a format change of
204 the DavLockDB. The old DavLockDB must be deleted on upgrade.
207 *) mod_log_config: Make ${cookie}C correctly match whole cookie names
208 instead of substrings. PR 28037. [Dan Franklin <dan dan-franklin.com>,
211 *) vhost: A purely-numeric Host: header should not be treated as a port.
214 *) mod_ldap: Avoid 500 errors with "Unable to set LDAP_OPT_REFHOPLIMIT option to 5"
215 when built against openldap by using SDK LDAP_OPT_REFHOPLIMIT defaults unless
216 LDAPReferralHopLimit is explicitly configured.
219 *) mod_charset_lite: Honor 'CharsetOptions NoImplicitAdd'.
222 *) mod_ssl: Add support for OCSP Stapling. PR 43822.
223 [Dr Stephen Henson <shenson oss-institute.org>]
225 *) mod_socache_shmcb: Allow parens in file name if cache size is given.
226 Fixes SSLSessionCache directive mis-parsing parens in pathname.
227 PR 47945. [Stefan Fritsch]
229 *) htpasswd: Improve out of disk space handling. PR 30877. [Stefan Fritsch]
231 *) htpasswd: Use MD5 hash by default on all platforms. [Stefan Fritsch]
233 *) mod_sed: Reduce memory consumption when processing very long lines.
234 PR 48024 [Basant Kumar Kukreja <basant.kukreja sun.com>]
236 *) ab: Fix segfault in case the argument for -n is a very large number.
237 PR 47178. [Philipp Hagemeister <oss phihag.de>]
239 *) Allow ProxyPreserveHost to work in <Proxy> sections. PR 34901.
242 *) configure: Fix THREADED_MPMS so that mod_cgid is enabled again
243 for worker MPM. [Takashi Sato]
245 *) mod_dav: Provide a mechanism to obtain the request_rec and pathname
246 from the dav_resource. [Jari Urpalainen <jari.urpalainen nokia.com>,
247 Brian France <brian brianfrance.com>]
249 *) Build: Use install instead of cp if available on installing
250 modules to avoid segmentation fault. PR 47951. [hirose31 gmail.com]
252 *) mod_cache: correctly consider s-maxage in cacheability
253 decisions. [Dan Poirier]
255 *) mod_logio/core: Report more accurate byte counts in mod_status if
256 mod_logio is loaded. PR 25656. [Stefan Fritsch]
258 *) mod_ldap: If LDAPSharedCacheSize is too small, try harder to purge
259 some cache entries and log a warning. Also increase the default
260 LDAPSharedCacheSize to 500000. This is a more realistic size suitable
261 for the default values of 1024 for LdapCacheEntries/LdapOpCacheEntries.
262 PR 46749. [Stefan Fritsch]
264 *) mod_rewrite: Make sure that a hostname:port isn't fully qualified if
265 the request is a CONNECT request. [Bill Zajac <billz consultla.com>]
267 *) mod_cache: Teach CacheEnable and CacheDisable to work from within a
268 Location section, in line with how ProxyPass works. [Graham Leggett]
270 *) mod_reqtimeout: New module to set timeouts and minimum data rates for
271 receiving requests from the client. [Stefan Fritsch]
273 *) core: Fix potential memory leaks by making sure to not destroy
274 bucket brigades that have been created by earlier filters.
277 *) core, mod_deflate, mod_sed: Reduce memory usage by reusing bucket
278 brigades in several places. [Stefan Fritsch]
280 *) mod_cache: Fix uri_meets_conditions() so that CacheEnable will
281 match by scheme, or by a wildcarded hostname. PR 40169
282 [Peter Grandi <pg_asf asf.for.sabi.co.uk>, Graham Leggett]
284 *) suxec: Allow to log an error if exec fails by setting FD_CLOEXEC
285 on the log file instead of closing it. PR 10744. [Nicolas Rachinsky]
287 *) mod_mime: Make RemoveType override the info from TypesConfig.
288 PR 38330. [Stefan Fritsch]
290 *) mod_cache: Introduce the option to run the cache from within the
291 normal request handler, and to allow fine grained control over
292 where in the filter chain content is cached. [Graham Leggett]
294 *) core: Treat timeout reading request as 408 error, not 400.
295 Log 408 errors in access log as was done in Apache 1.3.x.
296 PR 39785 [Nobutaka Mantani <nobutaka nobutaka.org>,
297 Stefan Fritsch <sf fritsch.de>, Dan Poirier]
299 *) mod_ssl: Reintroduce SSL_CLIENT_S_DN, SSL_CLIENT_I_DN, SSL_SERVER_S_DN,
300 SSL_SERVER_I_DN back to the environment variables to be set by mod_ssl.
301 [Peter Sylvester <peter.sylvester edelweb.fr>]
303 *) mod_disk_cache: don't cache incomplete responses, per RFC 2616, 13.8.
304 PR15866. [Dan Poirier]
306 *) ab: ab segfaults in verbose mode on https sites
307 PR46393. [Ryan Niebur]
309 *) mod_dav: Allow other modules to become providers and add resource types
310 to the DAV response. [Jari Urpalainen <jari.urpalainen nokia.com>,
311 Brian France <brian brianfrance.com>]
313 *) mod_dav: Allow other modules to add things to the DAV or Allow headers
314 of an OPTIONS request. [Jari Urpalainen <jari.urpalainen nokia.com>,
315 Brian France <brian brianfrance.com>]
317 *) core: Lower memory usage of core output filter.
318 [Stefan Fritsch <sf sfritsch.de>]
320 *) mod_mime: Detect invalid use of MultiviewsMatch inside Location and
321 LocationMatch sections. PR47754. [Dan Poirier]
323 *) mod_request: Make sure the KeptBodySize directive rejects values
324 that aren't valid numbers. [Graham Leggett]
326 *) mod_session_crypto: Sanity check should the potentially encrypted
327 session cookie be too short. [Graham Leggett]
329 *) mod_session.c: Prevent a segfault when session is added but not
330 configured. [Graham Leggett]
332 *) htcacheclean: 19 ways to fail, 1 error message. Fixed. [Graham Leggett]
334 *) mod_auth_digest: Fail server start when nonce count checking
335 is configured without shared memory, or md5-sess algorithm is
336 configured. [Dan Poirier]
338 *) mod_proxy_connect: The connect method doesn't work if the client is
339 connecting to the apache proxy through an ssl socket. Fixed.
340 PR29744. [Brad Boyer, Mark Cave-Ayland, Julian Gilbey, Fabrice Durand,
341 David Gence, Tim Dodge, Per Gunnar Hans, Emmanuel Elango,
342 Kevin Croft, Rudolf Cardinal]
344 *) mod_ssl: The error message when SSLCertificateFile is missing should
345 at least give the name or position of the problematic virtual host
346 definition. [Stefan Fritsch sf sfritsch.de]
348 *) mod_auth_digest: Fix null pointer when qop=none. [Dan Poirier]
350 *) Add support for HTTP PUT to ab. [Jeff Barnes <jbarnesweb yahoo.com>]
352 *) mod_headers: generalise the envclause to support expression
353 evaluation with ap_expr parser [Nick Kew]
355 *) mod_cache: Introduce the thundering herd lock, a mechanism to keep
356 the flood of requests at bay that strike a backend webserver as
357 a cached entity goes stale. [Graham Leggett]
359 *) mod_auth_digest: Fix usage of shared memory and re-enable it.
360 PR 16057 [Dan Poirier]
362 *) Preserve Port information over internal redirects
363 PR 35999 [Jonas Ringh <jonas.ringh cixit.se>]
365 *) Proxy: unable to connect to a backend is SERVICE_UNAVAILABLE,
366 rather than BAD_GATEWAY or (especially) NOT_FOUND.
367 PR 46971 [evanc nortel.com]
369 *) Various modules: Do better checking of pollset operations in order to
370 avoid segmentation faults if they fail. PR 46467
371 [Stefan Fritsch <sf sfritsch.de>]
373 *) mod_autoindex: Correctly create an empty cell if the description
374 for a file is missing. PR 47682 [Peter Poeml <poeml suse.de>]
376 *) ab: Fix broken error messages after resolver or connect() failures.
379 *) SECURITY: CVE-2009-1890 (cve.mitre.org)
380 Fix a potential Denial-of-Service attack against mod_proxy in a
381 reverse proxy configuration, where a remote attacker can force a
382 proxy process to consume CPU time indefinitely. [Nick Kew, Joe Orton]
384 *) SECURITY: CVE-2009-1191 (cve.mitre.org)
385 mod_proxy_ajp: Avoid delivering content from a previous request which
386 failed to send a request body. PR 46949 [Ruediger Pluem]
388 *) htdbm: Fix possible buffer overflow if dbm database has very
389 long values. PR 30586 [Dan Poirier]
391 *) core: Return APR_EOF if request body is shorter than the length announced
392 by the client. PR 33098 [ Stefan Fritsch <sf sfritsch.de>]
394 *) mod_suexec: correctly set suexec_enabled when httpd is run by a
395 non-root user and may have insufficient permissions.
396 PR 42175 [Jim Radford <radford blackbean.org>]
398 *) mod_ssl: Fix SSL_*_DN_UID variables to use the 'userID' attribute
399 type. PR 45107. [Michael Ströder <michael stroeder.com>,
400 Peter Sylvester <peter.sylvester edelweb.fr>]
402 *) mod_proxy_http: fix case sensitivity checking transfer encoding
403 PR 47383 [Ryuzo Yamamoto <ryuzo.yamamoto gmail.com>]
405 *) mod_alias: ensure Redirect issues a valid URL.
406 PR 44020 [Håkon Stordahl <hakon stordahl.org>]
408 *) mod_dir: add FallbackResource directive, to enable admin to specify
409 an action to happen when a URL maps to no file, without resorting
410 to ErrorDocument or mod_rewrite. PR 47184 [Nick Kew]
412 *) mod_cgid: Do not leak the listening Unix socket file descriptor to the
413 CGI process. PR 47335 [Kornél Pál <kornelpal gmail.com>]
415 *) mod_rewrite: Remove locking for writing to the rewritelog.
416 PR 46942 [Dan Poirier <poirier pobox.com>]
418 *) mod_alias: check sanity in Redirect arguments.
419 PR 44729 [Sönke Tesch <st kino-fahrplan.de>, Jim Jagielski]
421 *) mod_proxy_http: fix Host: header for literal IPv6 addresses.
422 PR 47177 [Carlos Garcia Braschi <cgbraschi gmail.com>]
424 *) mod_cache: Add CacheIgnoreURLSessionIdentifiers directive to ignore
425 defined session identifiers encoded in the URL when caching.
428 *) mod_rewrite: Fix the error string returned by RewriteRule.
429 RewriteRule returned "RewriteCond: bad flag delimiters" when the 3rd
430 argument of RewriteRule was not started with "[" or not ended with "]".
431 PR 45082 [Vitaly Polonetsky <m_vitaly topixoft.com>]
433 *) Windows: Fix usage message.
436 *) apachectl: When passing through arguments to httpd in
437 non-SysV mode, use the "$@" syntax to preserve arguments.
440 *) mod_dbd: add DBDInitSQL directive to enable SQL statements to
441 be run when a connection is opened. PR 46827
442 [Marko Kevac <mkevac gmail.com>]
444 *) mod_cgid: Improve handling of long AF_UNIX socket names (ScriptSock).
445 PR 47037. [Jeff Trawick]
447 *) mod_proxy_ajp: Check more strictly that the backend follows the AJP
448 protocol. [Mladen Turk]
450 *) mod_proxy_ajp: Forward remote port information by default.
453 *) Allow MPMs to be loaded dynamically, as with most other modules. Use
454 --enable-mpms-shared={list|"all"} to enable. This required changes to
455 the MPM interfaces. Removed: mpm.h, mpm_default.h (as an installed
456 header), APACHE_MPM_DIR, MPM_NAME, ap_threads_per_child,
457 ap_max_daemons_limit, ap_my_generation, etc. ap_mpm_query() can't be
458 called until after the register-hooks phase. [Jeff Trawick]
460 *) mod_ssl: Add SSLProxyCheckPeerExpire and SSLProxyCheckPeerCN directives
461 to enable stricter checking of remote server certificates.
464 *) ab: Fix a 100% CPU loop on platforms where a failed non-blocking connect
465 returns EINPROGRESS and a subsequent poll() returns only POLLERR.
466 Observed on HP-UX. [Eric Covener]
468 *) Remove broken support for BeOS, OS/2, TPF, and even older platforms such
469 as A/UX, Next, and Tandem. [Jeff Trawick]
471 *) mod_proxy_ftp: Add ProxyFtpListOnWildcard directive to allow files with
472 globbing characters to be retrieved instead of converted into a
473 directory listing. PR 46789 [Dan Poirier <poirier pobox.com>]
475 *) Provide ap_retained_data_create()/ap_retained_data_get() for preservation
476 of module state across unload/load. [Jeff Trawick]
478 *) mod_substitute: Fix a memory leak. PR 44948
479 [Dan Poirier <poirier pobox.com>]
481 Changes with Apache 2.3.2
483 *) mod_mime_magic: Fix detection of compressed content. [Rainer Jung]
485 *) mod_negotiation: Escape pathes of filenames in 406 responses to avoid
486 HTML injections and HTTP response splitting. PR 46837.
487 [Geoff Keating <geoffk apple.com>]
489 *) mod_ssl: add support for type-safe STACK constructs in OpenSSL
490 development HEAD. PR 45521. [Kaspar Brand, Sander Temme]
492 *) ab: Fix maintenance of the pollset to resolve EALREADY errors
493 with kqueue (BSD/OS X) and excessive CPU with event ports (Solaris).
494 PR 44584. Use APR_POLLSET_NOCOPY for better performance with some
495 pollset implementations. [Jeff Trawick]
497 *) mod_disk_cache: The module now turns off sendfile support if
498 'EnableSendfile off' is defined globally. [Lars Eilebrecht]
500 *) mod_deflate: Adjust content metadata before bailing out on 304
501 responses so that the metadata does not differ from 200 response.
504 *) mod_deflate: Fix creation of invalid Etag headers. We now make sure
505 that the Etag value is properly quoted when adding the gzip marker.
506 PR 39727, 45023. [Lars Eilebrecht, Roy T. Fielding]
508 *) Added 20x22 icons for ODF, SVG, and XML documents. PR 37185.
511 *) Disabled DefaultType directive and removed ap_default_type()
512 from core. We now exclude Content-Type from responses for which
513 a media type has not been configured via mime.types, AddType,
514 ForceType, or some other mechanism. PR 13986. [Roy T. Fielding]
516 *) mod_rewrite: Add IPV6 variable to RewriteCond
517 [Ryan Phillips <ryan-apache trolocsis.com>]
519 *) core: Enhance KeepAliveTimeout to support a value in milliseconds.
520 PR 46275. [Takashi Sato]
522 *) rotatelogs: Allow size units B, K, M, G and combination of
523 time and size based rotation. [Rainer Jung]
525 *) rotatelogs: Add flag for verbose (debug) output. [Rainer Jung]
527 *) mod_ssl: Fix merging of SSLRenegBufferSize directive. PR 46508
528 [<tlhackque yahoo.com>]
530 *) core: Translate the the status line to ASCII on EBCDIC platforms in
531 ap_send_interim_response() and for locally generated "100 Continue"
532 responses. [Eric Covener]
534 *) prefork: Fix child process hang during graceful restart/stop in
535 configurations with multiple listening sockets. PR 42829. [Joe Orton,
538 *) mod_session_crypto: Ensure that SessionCryptoDriver can only be
539 set in the global scope. [Graham Leggett]
541 *) mod_ext_filter: We need to detect failure to startup the filter
542 program (a mangled response is not acceptable). Fix to detect
543 failure, and offer configuration option either to abort or
544 to remove the filter and continue.
547 *) mod_session_crypto: Rewrite the session_crypto module against the
548 apr_crypto API. [Graham Leggett]
550 *) mod_auth_form: Fix a pool lifetime issue, don't remove the subrequest
551 until the main request is cleaned up. [Graham Leggett]
553 Changes with Apache 2.3.1
555 *) ap_slotmem: Add in new slot-based memory access API impl., including
556 2 providers (mod_sharedmem and mod_plainmem) [Jim Jagielski,
557 Jean-Frederic Clere, Brian Akins <brian.akins turner.com>]
559 *) mod_include: support generating non-ASCII characters as entities in SSI
562 *) core/utils: Enhance ap_escape_html API to support escaping non-ASCII chars
565 *) mod_rewrite: fix "B" flag breakage by reverting r5589343
566 PR 45529 [Bob Ionescu <bobsiegen googlemail.com>]
568 *) CGI: return 504 (Gateway timeout) rather than 500 when a script
569 times out before returning status line/headers.
572 *) mod_cgid: fix segfault problem on solaris.
573 PR 39332 [Masaoki Kobayashi <masaoki techfirm.co.jp>]
575 *) mod_proxy_scgi: Added. [André Malo]
577 *) mod_cache: Introduce 'no-cache' per-request environment variable
578 to prevent the saving of an otherwise cacheable response.
581 *) mod_rewrite: Introduce DiscardPathInfo|DPI flag to stop the troublesome
582 way that per-directory rewrites append the previous notion of PATH_INFO
583 to each substitution before evaluating subsequent rules.
584 PR 38642 [Eric Covener]
586 *) mod_cgid: Do not add an empty argument when calling the CGI script.
587 PR 46380 [Ruediger Pluem]
589 *) scoreboard: Remove unused sb_type from process_score.
590 [Torsten Foertsch <torsten.foertsch gmx.net>, Chris Darroch]
592 *) mod_ssl: Add SSLRenegBufferSize directive to allow changing the
593 size of the buffer used for the request-body where necessary
594 during a per-dir renegotiation. PR 39243. [Joe Orton]
596 *) mod_proxy_fdpass: New module to pass a client connection over to a separate
597 process that is reading from a unix daemon socket.
599 *) mod_ssl: Improve environment variable extraction to be more
600 efficient and to correctly handle DNs with duplicate tags.
601 PR 45975. [Joe Orton]
603 *) Remove the obsolete serial attribute from the RPM spec file. Compile
604 against the external pcre. Add missing binaries fcgistarter, and
605 mod_socache* and mod_session*. [Graham Leggett]
607 Changes with Apache 2.3.0
609 *) mod_ratelimit: New module to do bandwidth rate limiting. [Paul Querna]
611 *) Remove X-Pad header which was added as a work around to a bug in
612 Netscape 2.x to 4.0b2. [Takashi Sato <takashi lans-tv.com>]
614 *) Add DTrace Statically Defined Tracing (SDT) probes.
615 [Theo Schlossnagle <jesus omniti.com>, Paul Querna]
617 *) mod_proxy_balancer: Move all load balancing implementations
618 as individual, self-contained mod_proxy submodules under
619 modules/proxy/balancers [Jim Jagielski]
621 *) Rename APIs to include ap_ prefix:
622 find_child_by_pid -> ap_find_child_by_pid
623 suck_in_APR -> ap_suck_in_APR
624 sys_privileges_handlers -> ap_sys_privileges_handlers
625 unixd_accept -> ap_unixd_accept
626 unixd_config -> ap_unixd_config
627 unixd_killpg -> ap_unixd_killpg
628 unixd_set_global_mutex_perms -> ap_unixd_set_global_mutex_perms
629 unixd_set_proc_mutex_perms -> ap_unixd_set_proc_mutex_perms
630 unixd_set_rlimit -> ap_unixd_set_rlimit
633 *) core: When the ap_http_header_filter processes an error bucket, cleanup
634 the passed brigade before returning AP_FILTER_ERROR down the filter
635 chain. This unambiguously ensures the same error bucket isn't revisited
638 *) mod_lbmethod_heartbeat: New module to load balance mod_proxy workers
639 based on heartbeats. [Paul Querna]
641 *) mod_heartmonitor: New module to collect heartbeats, and write out a file
642 so that other modules can load balance traffic as needed. [Paul Querna]
644 *) mod_heartbeat: New module to generate multicast heartbeats to know if a
645 server is online. [Paul Querna]
647 *) core: Error responses set by filters were being coerced into 500 errors,
648 sometimes appended to the original error response. Log entry of:
649 'Handler for (null) returned invalid result code -3'
652 *) mod_buffer: Honour the flush bucket and flush the buffer in the
653 input filter. Make sure that metadata buckets are written to
654 the buffer, not to the final brigade. [Graham Leggett]
656 *) mod_buffer: Optimise the buffering of heap buckets when the heap
657 buckets stay exactly APR_BUCKET_BUFF_SIZE long. [Graham Leggett,
660 *) mod_buffer: Optional support for buffering of the input and output
661 filter stacks. Can collapse many small buckets into fewer larger
662 buckets, and prevents excessively small chunks being sent over
663 the wire. [Graham Leggett]
665 *) mod_privileges: new module to make httpd on Solaris privileges-aware
666 and to enable different virtualhosts to run with different
667 privileges and Unix user/group IDs [Nick Kew]
669 *) mod_mem_cache: this module has been removed. [William Rowe]
671 *) authn/z: Remove mod_authn_default and mod_authz_default.
674 *) authz: Fix handling of authz configurations, make default authz
675 logic replicate 2.2.x authz logic, and replace <Satisfy*>, Reject,
676 and AuthzMergeRules directives with Match, <Match*>, and AuthzMerge
677 directives. [Chris Darroch]
679 *) mod_authn_core: Prevent crash when provider alias created to
680 provider which is not yet registered. [Chris Darroch]
682 *) mod_authn_core: Add AuthType of None to support disabling
683 authentication. [Chris Darroch]
685 *) core: Allow <Limit> and <LimitExcept> directives to nest, and
686 constrain their use to conform with that of other access control
687 and authorization directives. [Chris Darroch]
689 *) unixd: turn existing code into a module, and turn the set user/group
690 and chroot into a child_init function. [Nick Kew]
692 *) core: Add ap_timeout_parameter_parse to public API. [Ruediger Pluem]
694 *) mod_dir: Support "DirectoryIndex disabled"
695 Suggested By André Warnier <aw ice-sa.com> [Eric Covener]
697 *) mod_ssl: Send Content-Type application/ocsp-request for POST requests to
698 OSCP responders. PR 46014 [Dr Stephen Henson <steve openssl.org>]
700 *) Export and install the mod_rewrite.h header to ensure the optional
701 rewrite_mapfunc_t and ap_register_rewrite_mapfunc functions are
702 available to third party modules. [Graham Leggett]
704 *) mod_authnz_ldap: don't return NULL-valued environment variables to
705 other modules. PR 39045 [Francois Pesce <francois.pesce gmail.com>]
707 *) Don't adjust case in pathname components that are not of interest
708 to mod_mime. Fixes mod_negotiation's use of such components.
709 PR 43250 [Basant Kumar Kukreja <basant.kukreja sun.com>]
711 *) Be tolerant in what you accept - accept slightly broken
712 status lines from a backend provide they include a valid status code.
713 PR 44995 [Rainer Jung <rainer.jung kippdata.de>]
715 *) New module mod_sed: filter Request/Response bodies through sed
716 [Basant Kumar Kukreja <basant.kukreja sun.com>]
718 *) mod_auth_form: Make sure that basic authentication is correctly
719 faked directly after login. [Graham Leggett]
721 *) mod_session_cookie, mod_session_dbd: Make sure cookies are set both
722 within the output headers and error output headers, so that the
723 session is maintained across redirects. [Graham Leggett]
725 *) mod_auth_form: Make sure the logged in user is populated correctly
726 after a form login. Fixes a missing REMOTE_USER variable directly
727 following a login. [Graham Leggett]
729 *) mod_session_cookie: Make sure that cookie attributes are correctly
730 included in the blank cookie when cookies are removed. This fixes an
731 inability to log out when using mod_auth_form. [Graham Leggett]
733 *) mod_autoindex: add configuration option to insert string
734 in HTML HEAD. [Nick Kew]
736 *) mod_session: Prevent a segfault when a CGI script sets a cookie with a
737 null value. [David Shane Holden <dpejesh apache.org>]
739 *) mod_headers: Prevent Header edit from processing only the first header
740 of possibly multiple headers with the same name and deleting the
741 remaining ones. PR 45333. [Ruediger Pluem]
743 *) mod_rewrite: Preserve the query string with [proxy,noescape]. PR 45247
746 *) core, authn/z: Determine registered authn/z providers directly in
747 ap_setup_auth_internal(), which allows optional functions that just
748 wrapped ap_list_provider_names() to be removed from authn/z modules.
751 *) authn/z: Convert common provider version strings to macros.
754 *) ab: Make ab.c compile on VC6. PR 45024 [Ruediger Pluem]
756 *) configure: Don't reject libtool 2.x
757 PR 44817 [Arfrever Frehtes Taifersar Arahesis <Arfrever.FTA gmail.com>]
759 *) core: When testing for slash-terminated configuration paths in
760 ap_location_walk(), don't look past the start of an empty string
761 such as that created by a <Location ""> directive.
764 *) core, mod_proxy: If a kept_body is present, it becomes safe for
765 subrequests to support message bodies. Make sure that safety
766 checks within the core and within the proxy are not triggered
767 when kept_body is present. This makes it possible to embed
768 proxied POST requests within mod_include. [Graham Leggett]
770 *) mod_auth_form: Make sure the input filter stack is properly set
771 up before reading the login form. Make sure the kept body filter
772 is correctly inserted to ensure the body can be read a second
773 time safely should the authn be successful. [Graham Leggett,
776 *) mod_request: Insert the KEPT_BODY filter via the insert_filter
777 hook instead of during fixups. Add a safety check to ensure the
778 filters cannot be inserted more than once. [Graham Leggett,
781 *) core: Do not allow Options ALL if not all options are allowed to be
782 overwritten. PR 44262 [Michał Grzędzicki <lazy iq.pl>]
784 *) ap_cache_cacheable_headers_out() will (now) always
785 merge an error headers _before_ clearing them and _before_
786 merging in the actual entity headers and doing normal
787 hop-by-hop cleansing. [Dirk-Willem van Gulik].
789 *) cache: retire ap_cache_cacheable_hdrs_out() which was used
790 for both in- and out-put headers; and replace it by a single
791 ap_cache_cacheable_headers() wrapped in a in- and out-put
792 specific ap_cache_cacheable_headers_in()/out(). The latter
793 which will also merge error and ensure content-type. To keep
794 cache modules consistent with ease. This API change bumps
795 up the minor MM by one [Dirk-Willem van Gulik].
797 *) mod_rewrite: Allow Cookie option to set secure and HttpOnly flags.
798 PR 44799 [Christian Wenz <christian wenz.org>]
800 *) Move the KeptBodySize directive, kept_body filters and the
801 ap_parse_request_body function out of the http module and into a
802 new module called mod_request, reducing the size of the core.
805 *) mod_dbd: Handle integer configuration directive parameters with a
808 *) Change the directives within the mod_session* modules to be valid
809 both inside and outside the location/directory sections, as
810 suggested by wrowe. [Graham Leggett]
812 *) mod_auth_form: Add a module capable of allowing end users to log
813 in using an HTML form, storing the credentials within mod_session.
816 *) Add a function to the http filters that is able to parse an HTML
817 form request with the type of application/x-www-form-urlencoded.
820 *) mod_session_crypto: Initialise SSL in the post config hook.
821 [Ruediger Pluem, Graham Leggett]
823 *) mod_session_dbd: Add a session implementation capable of storing
824 session information in a SQL database via the dbd interface. Useful
825 for sites where session privacy is important. [Graham Leggett]
827 *) mod_session_crypto: Add a session encoding implementation capable
828 of encrypting and decrypting sessions wherever they may be stored.
829 Introduces a level of privacy when sessions are stored on the
830 browser. [Graham Leggett]
832 *) mod_session_cookie: Add a session implementation capable of storing
833 session information within cookies on the browser. Useful for high
834 volume sites where server bound sessions are too resource intensive.
837 *) mod_session: Add a generic session interface to unify the different
838 attempts at saving persistent sessions across requests.
841 *) core, authn/z: Avoid calling access control hooks for internal requests
842 with configurations which match those of initial request. Revert to
843 original behaviour (call access control hooks for internal requests
844 with URIs different from initial request) if any access control hooks or
845 providers are not registered as permitting this optimization.
846 Introduce wrappers for access control hook and provider registration
847 which can accept additional mode and flag data. [Chris Darroch]
849 *) Introduced ap_expr API for expression evaluation.
850 This is adapted from mod_include, which is the first module
854 *) mod_authz_dbd: When redirecting after successful login/logout per
855 AuthzDBDRedirectQuery, do not report authorization failure, and use
856 first row returned by database query instead of last row.
859 *) mod_ldap: Correctly return all requested attribute values
860 when some attributes have a null value.
861 PR 44560 [Anders Kaseorg <anders kaseorg.com>]
863 *) core: check symlink ownership if both FollowSymlinks and
864 SymlinksIfOwnerMatch are set [Nick Kew]
866 *) core: fix origin checking in SymlinksIfOwnerMatch
867 PR 36783 [Robert L Mathews <rob-apache.org.bugs tigertech.net>]
869 *) Activate mod_cache, mod_file_cache and mod_disk_cache as part of the
870 'most' set for '--enable-modules' and '--enable-shared-mods'. Include
871 mod_mem_cache in 'all' as well. [Dirk-Willem van Gulik]
873 *) Also install mod_so.h, mod_rewrite.h and mod_cache.h; as these
874 contain public function declarations which are useful for
875 third party module authors. PR 42431 [Dirk-Willem van Gulik].
877 *) mod_dir, mod_negotiation: pass the output filter information
878 to newly created sub requests; as these are later on used
879 as true requests with an internal redirect. This allows for
880 mod_cache et.al. to trap the results of the redirect.
881 [Dirk-Willem van Gulik, Ruediger Pluem]
883 *) mod_ldap: Add support (taking advantage of the new APR capability)
884 for ldap rebind callback while chasing referrals. This allows direct
885 searches on LDAP servers (in particular MS Active Directory 2003+)
886 using referrals without the use of the global catalog.
887 PRs 26538, 40268, and 42557 [Paul J. Reder]
889 *) mod_ssl: Added server name indication support (SNI, RFC 4366).
890 PR 34607. [Kaspar Brand <asfbugz velox.ch>]. A test configuration
891 can be created with test/make_sni.sh [Dirk-Willem van Gulik].
893 *) ApacheMonitor.exe: Introduce --kill argument for use by the
894 installer. This will permit the installation tool to remove
895 all running instances before attempting to remove the .exe.
898 *) mod_ssl: Add support for OCSP validation of client certificates.
899 PR 41123. [Marc Stern <marc.stern approach.be>, Joe Orton]
901 *) mod_serf: New module for Reverse Proxying. [Paul Querna]
903 *) core: Add the option to keep aside a request body up to a certain
904 size that would otherwise be discarded, to be consumed by filters
905 such as mod_include. When enabled for a directory, POST requests
906 to shtml files can be passed through to embedded scripts as POST
907 requests, rather being downgraded to GET requests. [Graham Leggett]
909 *) mod_ssl: Fix TLS upgrade (RFC 2817) support. PR 41231. [Joe Orton]
911 *) scoreboard: Correctly declare ap_time_process_request.
912 PR 43789 [Tom Donovan <Tom.Donovan acm.org>]
914 *) core; scoreboard: ap_get_scoreboard_worker(sbh) now takes the sbh member
915 from the connection rec, ap_get_scoreboard_worker(proc, thread) will now
916 provide the unusual legacy lookup. [William Rowe]
918 *) mpm winnt: fix null pointer dereference
919 PR 42572 [Davi Arnaut]
921 *) mod_authnz_ldap, mod_authn_dbd: Tidy up the code to expose authn
922 parameters to the environment. Improve portability to
923 EBCDIC machines by using apr_toupper(). [Martin Kraemer]
925 *) mod_ldap, mod_authnzldap: Add support for nested groups (i.e. the ability
926 to authorize an authenticated user via a "require ldap-group X" directive
927 where the user is not in group X, but is in a subgroup contained in X.
928 PR 42891 [Paul J. Reder]
930 *) mod_ssl: Add support for caching SSL Sessions in memcached. [Paul Querna]
932 *) mod_ldap: Fix the search limit parameter to ldap_search_ext_s()
933 for SDKs that define LDAP_NO_LIMIT to something other than -1.
934 [David Jones <oscaremma gmail.com>]
936 *) apxs: Enhance -q flag to print all known variables and their values
937 when invoked without variable name(s).
938 [William Rowe, Sander Temme]
940 *) apxs: Eliminate run-time check for mod_so. PR 40653.
941 [David M. Lee <dmlee crossroads.com>]
943 *) beos MPM: Create pmain pool and run modules' child_init hooks when
944 entering ap_mpm_run(), then destroy pmain when exiting ap_mpm_run().
947 *) netware MPM: Destroy pmain pool when exiting ap_mpm_run() so that
948 cleanups registered in modules' child_init hooks are performed.
951 *) mod_dbd: Stash DBD connections in request_config of initial request
952 only, or else sub-requests and internal redirections may cause
953 entire DBD pool to be stashed in a single HTTP request. [Chris Darroch]
955 *) Fix issue which could cause error messages to be written to access logs
956 on Win32. PR 40476. [Tom Donovan <Tom.Donovan acm.org>]
958 *) The LockFile directive, which specifies the location of
959 the accept() mutex lockfile, is deprecated. Instead, the
960 AcceptMutex directive now takes an optional lockfile
961 location parameter, ala SSLMutex. [Jim Jagielski]
963 *) mod_authn_dbd: Export any additional columns queried in the SQL select
964 into the environment with the name AUTHENTICATE_<COLUMN>. This brings
965 mod_authn_dbd behaviour in line with mod_authnz_ldap. [Graham Leggett]
967 *) mod_dbd: Key the storage of prepared statements on the hex string
968 value of server_rec, rather than the server name, as the server name
969 may change (eg when the server name is set) at any time, causing
970 weird behaviour in modules dependent on mod_dbd. [Graham Leggett]
972 *) mod_proxy_fcgi: Added win32 build. [Mladen Turk]
974 *) sendfile_nonblocking() takes the _brigade_ as an argument, gets
975 the first bucket from the brigade, finds it not to be a FILE
976 bucket and barfs. The fix is to pass a bucket rather than a brigade.
977 [Niklas Edmundsson <nikke acc.umu.se>]
979 *) mod_rewrite: support rewritemap by SQL query [Nick Kew]
981 *) ap_get_server_version() has been removed. Third-party modules must
982 now use ap_get_server_banner() or ap_get_server_description().
985 *) All MPMs: Introduce a check_config phase between pre_config and
986 open_logs, to allow modules to review interdependent configuration
987 directive values and adjust them while messages can still be logged
988 to the console. Handle relevant MPM directives during this phase
989 and format messages for both the console and the error log, as
990 appropriate. [Chris Darroch]
992 *) mod_proxy: don't URLencode tilde in path component
993 [Stijn Hoop <stijn sandcat.nl>]
995 *) mpm_winnt: Fix return values from wait_for_many_objects.
996 The return value is index to the signaled thread in the
997 creted_threads array. We can not use WAIT_TIMEOUT because
998 his value is defined as 258, thus limiting the MaxThreads
999 to that value. [Mladen Turk]
1001 *) core: Do not allow internal redirects like the DirectoryIndex of mod_dir
1002 to circumvent the symbolic link checks imposed by FollowSymLinks and
1003 SymLinksIfOwnerMatch. [Nick Kew, Ruediger Pluem, William Rowe]
1005 *) New SSLLogLevelDebugDump [ None (default) | IO (not bytes) | Bytes ]
1006 configures the I/O Dump of SSL traffic, when LogLevel is set to Debug.
1007 The default is none as this is far greater debugging resolution than
1008 the typical administrator is prepared to untangle. [William Rowe]
1010 *) mod_disk_cache: If possible, check if the size of an object to cache is
1011 within the configured boundaries before actually saving data.
1012 [Niklas Edmundsson <nikke acc.umu.se>]
1014 *) mod_disk_cache: Delete temporary files if they cannot be renamed to their
1015 final name. [Davi Arnaut <davi haxent.com.br>]
1017 *) Worker and event MPMs: Remove improper scoreboard updates which were
1018 performed in the event of a fork() failure. [Chris Darroch]
1020 *) Add support for fcgi:// proxies to mod_rewrite.
1021 [Markus Schiegl <ms schiegl.com>]
1023 *) Remove incorrect comments from scoreboard.h regarding conditional
1024 loading of worker_score structure with mod_status, and remove unused
1025 definitions relating to old life_status field.
1026 [Chris Darroch <chrisd pearsoncmg.com>]
1028 *) Remove allocation of memory for unused array of lb_score pointers
1029 in ap_init_scoreboard(). [Chris Darroch <chrisd pearsoncmg.com>]
1031 *) Add mod_proxy_fcgi, a FastCGI back end for mod_proxy.
1032 [Garrett Rooney, Jim Jagielski, Paul Querna]
1034 *) Event MPM: Fill in the scoreboard's tid field. PR 38736.
1035 [Chris Darroch <chrisd pearsoncmg.com>]
1037 *) mod_charset_lite: Remove Content-Length when output filter can
1038 invalidate it. Warn when input filter can invalidate it.
1041 *) Authz: Add the new module mod_authn_core that will provide common
1042 authn directives such as 'AuthType', 'AuthName'. Move the directives
1043 'AuthType' and 'AuthName' out of the core module and merge mod_authz_alias
1044 into mod_authn_core. [Brad Nicholes]
1046 *) Authz: Move the directives 'Order', 'Allow', 'Deny' and 'Satisfy'
1047 into the new module mod_access_compat which can be loaded to provide
1048 support for these directives.
1051 *) Authz: Move the 'Require' directive from the core module as well as
1052 add the directives '<SatisfyAll>', '<SatisfyOne>', '<RequireAlias>'
1053 and 'Reject' to mod_authz_core. The new directives introduce 'AND/OR'
1054 logic into the authorization processing. [Brad Nicholes]
1056 *) Authz: Add the new module mod_authz_core which acts as the
1057 authorization provider vector and contains common authz
1058 directives. [Brad Nicholes]
1060 *) Authz: Renamed mod_authz_dbm authz providers from 'group' and
1061 'file-group' to 'dbm-group' and 'dbm-file-group'. [Brad Nicholes]
1063 *) Authz: Added the new authz providers 'env', 'ip', 'host', 'all' to handle
1064 host-based access control provided by mod_authz_host and invoked
1065 through the 'Require' directive. [Brad Nicholes]
1067 *) Authz: Convert all of the authz modules from hook based to
1068 provider based. [Brad Nicholes]
1070 *) mod_cache: Add CacheMinExpire directive to set the minimum time in
1071 seconds to cache a document.
1072 [Brian Akins <brian.akins turner.com>, Ruediger Pluem]
1074 *) mod_authz_dbd: SQL authz with Login/Session support [Nick Kew]
1076 *) Fix typo in ProxyStatus syntax error message.
1077 [Christophe Jaillet <christophe.jaillet wanadoo.fr>]
1079 *) Asynchronous write completion for the Event MPM. [Brian Pane]
1081 *) Added an End-Of-Request bucket type. The logging of a request and
1082 the freeing of its pool are now done when the EOR bucket is destroyed.
1083 This has the effect of delaying the logging until right after the last
1084 of the response is sent; ap_core_output_filter() calls the access logger
1085 indirectly when it destroys the EOR bucket. [Brian Pane]
1087 *) Rewrite of logresolve support utility: IPv6 addresses are now supported
1088 and the format of statistical output has changed. [Colm MacCarthaigh]
1090 *) Rewrite of ap_coreoutput_filter to do nonblocking writes [Brian Pane]
1092 *) Added new connection states for handler and write completion
1095 *) mod_cgid: Refuse to work on Solaris 10 due to OS bugs. PR 34264.
1098 *) Teach mod_ssl to use arbitrary OIDs in an SSLRequire directive,
1099 allowing string-valued client certificate attributes to be used for
1100 access control, as in: SSLRequire "value" in OID("1.3.6.1.4.1.18060.1")
1101 [Martin Kraemer, David Reid]
1103 [Apache 2.1.0-dev includes those bug fixes and changes with the
1104 Apache 2.2.xx tree as documented, and except as noted, below.]
1106 Changes with Apache 2.2.x and later:
1108 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/CHANGES?view=markup
1110 Changes with Apache 2.0.x and later:
1112 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.0.x/CHANGES?view=markup
1114 Changes with Apache 1.3.x and later:
1116 *) http://svn.apache.org/viewvc/httpd/httpd/branches/1.3.x/src/CHANGES?view=markup