235N/AChanges with Apache 2.5.0
822N/A *) mod_proxy: Ensure network errors detected by the proxy are returned as
822N/A 504 Gateway Timout as opposed to 502 Bad Gateway, in order to be
235N/A compliant with RFC2616 14.9.4 Cache Revalidation and Reload Controls.
235N/A *) mod_cache: Ensure that we don't attempt to replace a cached response
919N/A with an older response as per RFC2616 13.12. [Graham Leggett, Co-Advisor
919N/A *) core, mod_cache: Ensure RFC2616 compliance in ap_meets_conditions()
919N/A with weak validation combined with If-Range and Range headers. Break
919N/A out explicit conditional header checks to be useable elsewhere in the
919N/A server. Ensure weak validation RFC compliance in the byteranges filter.
919N/A Ensure RFC validation compliance when serving cached entities. PR 16142
919N/A *) core: Add the ability to do explicit matching on weak and strong ETags
919N/A as per RFC2616 Section 13.3.3. [Graham Leggett, Co-Advisor
919N/A *) mod_cache: Ensure that updated responses to HEAD requests don't get
919N/A mistakenly paired with a previously cached body. Ensure that any existing
919N/A body is removed when a HEAD request is cached. [Graham Leggett,
235N/A *) mod_cache: Honour Cache-Control: no-store in a request. [Graham Leggett]
235N/A *) mod_cache: RFC2616 14.9.3 The s-maxage directive also implies the
970N/A semantics of the proxy-revalidate directive. [Graham Leggett]
970N/A *) mod_cache: Make sure that contradictory entity headers present in a 304
970N/A Not Modified response are caught and cause the entity to be removed.
970N/A *) mod_cache: Make sure Vary processing handles multivalued Vary headers and
1003N/A multivalued headers referred to via Vary. [Graham Leggett]
1360N/A *) mod_cache: When serving from cache, only the last header of a multivalued
970N/A header was taken into account. Fixed. [Graham Leggett]
1252N/A *) mod_cache: Ignore response headers specified by no-cache=header and
235N/A private=header as specified by RFC2616 14.9.1 What is Cacheable. Ensure
911N/A that these headers are still processed when multiple Cache-Control
1252N/A headers are present in the response. PR 54706 [Graham Leggett,
235N/A *) mod_cache: Invalidate cached entities in response to RFC2616 Section
493N/A 13.10 Invalidation After Updates or Deletions. PR 15868 [Graham
235N/A *) mod_dav: mod_dav overrides dav_fs response on PUT failure. PR 35981
235N/A *) mod_dav: Do not segfault on PROPFIND with a zero length DBM.
1422N/A *) mod_dav: Do not fail PROPPATCH when prop namespace is not known.
1252N/A *) mod_dav: When a PROPPATCH attempts to remove a non-existent dead
235N/A property on a resource for which there is no dead property in the same
235N/A namespace httpd segfaults. PR 52559 [Diego Santa Cruz
1276N/A *) mod_dav: PROPPATCH delete (svn propdel) silently discards errors.
1276N/A *) mod_dav: Ensure URI is correctly uriencoded on return. PR 54611
1276N/A *) mod_dav: Sending a If or If-Match header with an invalid ETag doesn't
1438N/A result in a 412 Precondition Failed. PR 54610 [Timothy Wood
1276N/A *) mod_dav: Make sure that when we prepare an If URL for Etag comparison,
1379N/A *) core, mod_ssl: Lift the restriction that prevents mod_ssl taking
1458N/A full advantage of the event MPM. Enable the ability for a module
235N/A to reverse the sense of a poll event from a read to a write or vice
1124N/A *) htpasswd: Add -v option to verify a password. [Stefan Fritsch]
1422N/A *) htpasswd, htdbm: Fix password generation. PR 54735. [Stefan Fritsch]
1389N/A *) mod_dav: Improve error handling in dav_method_put(), add new
970N/A *) mod_auth_digest: Fix crashes if shm initialization failed. [Stefan
970N/A *) mod_ldap: LDAP connections used for authentication were not respecting
970N/A LDAPConnectionPoolTimeout. PR 54587
970N/A *) core: ap_rgetline_core now pulls from r->proto_input_filters.
235N/A *) mod_proxy_html: process parsed comments immediately.
247N/A Fixes bug where parsed comments may be lost. [Nick Kew]
235N/A *) mod_proxy_html: introduce doctype for HTML 5 [Nick Kew]
947N/A *) mod_proxy_html: fix typo-bug processing "strict" vs "transitional"
970N/A *) core: Add option to add valgrind support. Use it to reduce false positive
947N/A warnings in mod_ssl. [Stefan Fritsch]
947N/A *) mod_authn_file, mod_authn_dbd, mod_authn_dbm, mod_authn_socache:
235N/A Cache the result of the most recent password hash verification for every
241N/A keep-alive connection. This saves some expensive calculations.
235N/A *) http: Remove support for Request-Range header sent by Navigator 2-3 and
1270N/A *) core, http: Extend HttpProtocol with an option to enforce stricter HTTP
1270N/A conformance or to only log the found problems. [Stefan Fritsch]
493N/A *) core: Correctly parse an IPv6 literal host specification in an absolute
1124N/A URL in the request line. [Stefan Fritsch]
1124N/A *) mod_ssl: add support for subjectAltName-based host name checking
1124N/A in proxy mode. PR 54030. [Kaspar Brand]
493N/A *) mpm_event: Check that AsyncRequestWorkerFactor is not negative. PR 54254.
1097N/A [Jackie Zhang <jackie qq zhang gmail com>]
493N/A *) mod_ssl: Add support for OpenSSL configuration commands [Stephen Henson]
1124N/A *) core: Add LogLevelOverride directive that allows to override the
1124N/A loglevel for clients from certain IPs. This also works for things
1124N/A like the SSL handshake where <If> LogLevel ... </If> is evaluated
1124N/A *) core: Add new directive Warning to issue warnings from a configuration
1124N/A file. Both Warning and Error now generate a timestamped log message.
970N/A *) ap_expr: Add SERVER_PROTOCOL_VERSION, ..._MAJOR, and ..._MINOR
970N/A variables. [Stefan Fritsch]
1097N/A *) core: New directive RegisterHttpMethod for registering non-standard
1097N/A HTTP methods. [Stefan Fritsch]
822N/A *) core: New directive HttpProtocol which allows to disable HTTP/0.9
235N/A support. [Stefan Fritsch]
822N/A *) mod_allowhandlers: New module to forbid specific handlers for specific
822N/A directories. [Stefan Fritsch]
1422N/A *) configure: Fix processing of --disable-FEATURE for various features.
935N/A *) mod_systemd: New module, for integration with systemd on Linux.
1088N/A *) mod_cache_socache: New cache implementation backed by mod_socache
235N/A that replaces mod_mem_cache removed from httpd v2.2. [Graham
963N/A *) core: Add dirwalk_stat and pre_htaccess hooks, allowing mpm-itk
935N/A to be used without patches to httpd core. [Jeff Trawick]
1422N/A filters in Lua [Daniel Gruno]
963N/A *) WinNT MPM: Store pid and generation for each thread in scoreboard
235N/A to allow tracking of threads from exiting children via mod_status
935N/A or other such mechanisms. [Jeff Trawick]
963N/A *) mod_ssl: Catch missing or mismatched client
cert/key pairs with
1422N/A *) mod_lua: Allow scripts handled by the lua-script handler to return
963N/A a status code to the client (such as a 302 or a 500) [Daniel Gruno]
963N/A *) mod_lua: Decline handling 'lua-script' if the file doesn't exist,
235N/A rather than throwing an internal server error. [Daniel Gruno]
1252N/A *) mod_lua: Add functions r:flush and r:sendfile as well as additional
1252N/A request information to the request_rec structure. [Daniel Gruno]
1252N/A *) mod_lua: Add a server scope for Lua states, which creates a pool of
1252N/A states with managable minimum and maximum size. [Daniel Gruno]
1252N/A *) core: Add post_perdir_config hook.
1252N/A *) mod_lua: Add new directive, LuaMapHandler, for dynamically mapping
822N/A URIs to Lua scripts and functions using regular expressions.
1447N/A *) mod_lua: Add new directive LuaCodeCache for controlling in-memory
1296N/A caching of lua scripts. [Daniel Gruno]
241N/A - APIs: ap_log_pid(), ap_remove_pid, ap_read_pid()
235N/A - core: the scoreboard (ScoreBoardFile), pid file (PidFile), and
1351N/A - mod_cache: thundering herd lock directory
235N/A - mod_lbmethod_heartbeat, mod_heartmonitor: heartbeat storage file
493N/A - mod_ldap: shared memory cache
235N/A - mod_socache_shmcb, mod_socache_dbm: shared memory or dbm for cache
606N/A *) suexec: Add --enable-suexec-capabilites support on Linux, to use
235N/A *) suexec: Add support for logging to syslog as an alternative to logging
599N/A to a file; configure --without-suexec-logfile --with-suexec-syslog.
822N/A *) mod_ssl: Add support for TLS Next Protocol Negotiation. PR 52210.
1422N/A *) cross-compile: allow to provide CC_FOR_BUILD so that gen_test_char will
1422N/A be compiled by the build compiler instead of the host compiler.
235N/A Also set CC_FOR_BUILD to 'cc' when cross-compilation is detected.
1097N/A *) core: In maintainer mode, replace apr_palloc with a version that
822N/A initializes the allocated memory with non-zero values, except if
822N/A AP_DEBUG_NO_ALLOC_POISON is defined. [Stefan Fritsch]
1422N/A *) mod_policy: Add a new testing module to help server administrators
1422N/A enforce a configurable level of protocol compliance on their
1422N/A servers and application servers behind theirs. [Graham Leggett]
1422N/A *) mod_firehose: Add a new debugging module able to record traffic
1019N/A passing through the server in such a way that connections
and/or 1030N/A requests be reconstructed and replayed. [Graham Leggett]
963N/A [Apache 2.5.0-dev includes those bug fixes and changes with the
247N/A Apache
2.4.xx tree as documented below, except as noted.]