424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye -*- coding: utf-8 -*-

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond NorbyeChanges with Apache 2.5.0

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) mod_proxy: Ensure network errors detected by the proxy are returned as

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye 504 Gateway Timout as opposed to 502 Bad Gateway, in order to be

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye compliant with RFC2616 14.9.4 Cache Revalidation and Reload Controls.

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye [Graham Leggett, Co-Advisor <coad measurement-factory.com>]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) mod_cache: Ensure that we don't attempt to replace a cached response

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye with an older response as per RFC2616 13.12. [Graham Leggett, Co-Advisor

477c09a2656e6a2c1075425ad81e61d594164fa9Lubos Kosco <coad measurement-factory.com>]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) core, mod_cache: Ensure RFC2616 compliance in ap_meets_conditions()

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye with weak validation combined with If-Range and Range headers. Break

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye out explicit conditional header checks to be useable elsewhere in the

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye server. Ensure weak validation RFC compliance in the byteranges filter.

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye Ensure RFC validation compliance when serving cached entities. PR 16142

477c09a2656e6a2c1075425ad81e61d594164fa9Lubos Kosco [Graham Leggett, Co-Advisor <coad measurement-factory.com>]

6d7c6f82e644c205bc679ee5b1fa2929ec949963Lubos Kosco

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) core: Add the ability to do explicit matching on weak and strong ETags

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye as per RFC2616 Section 13.3.3. [Graham Leggett, Co-Advisor

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye <coad measurement-factory.com>]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen *) mod_cache: Ensure that updated responses to HEAD requests don't get

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye mistakenly paired with a previously cached body. Ensure that any existing

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye body is removed when a HEAD request is cached. [Graham Leggett,

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye Co-Advisor <coad measurement-factory.com>]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) mod_cache: Honour Cache-Control: no-store in a request. [Graham Leggett]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) mod_cache: RFC2616 14.9.3 The s-maxage directive also implies the

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye semantics of the proxy-revalidate directive. [Graham Leggett]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

980d346f8cb17af1bca5def7cdbea8531881009aKnut Anders Hatlen *) mod_cache: Make sure that contradictory entity headers present in a 304

980d346f8cb17af1bca5def7cdbea8531881009aKnut Anders Hatlen Not Modified response are caught and cause the entity to be removed.

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye [Graham Leggett]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye *) mod_cache: Make sure Vary processing handles multivalued Vary headers and

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen multivalued headers referred to via Vary. [Graham Leggett]

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen *) mod_cache: When serving from cache, only the last header of a multivalued

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen header was taken into account. Fixed. [Graham Leggett]

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen *) mod_cache: Ignore response headers specified by no-cache=header and

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye private=header as specified by RFC2616 14.9.1 What is Cacheable. Ensure

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye that these headers are still processed when multiple Cache-Control

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye headers are present in the response. PR 54706 [Graham Leggett,

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye Yann Ylavic <ylavic.dev gmail.com>]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

980d346f8cb17af1bca5def7cdbea8531881009aKnut Anders Hatlen *) mod_cache: Invalidate cached entities in response to RFC2616 Section

980d346f8cb17af1bca5def7cdbea8531881009aKnut Anders Hatlen 13.10 Invalidation After Updates or Deletions. PR 15868 [Graham

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen Leggett]

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen *) mod_dav: mod_dav overrides dav_fs response on PUT failure. PR 35981

3c4aab151d1a59932f673f7d58127e0401cd0fbdKnut Anders Hatlen [Basant Kumar Kukreja <basant.kukreja sun.com>, Alejandro Alvarez

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye <alejandro.alvarez.ayllon cern.ch>]

424bbf2925717f8fb65eacb38aa67959c4cce3b1Trond Norbye

*) mod_dav: Do not segfault on PROPFIND with a zero length DBM.

PR 52559 [Diego Santa Cruz <diego.santaCruz spinetix.com>]

*) mod_dav: Do not fail PROPPATCH when prop namespace is not known.

PR 52559 [Diego Santa Cruz <diego.santaCruz spinetix.com>]

*) mod_dav: When a PROPPATCH attempts to remove a non-existent dead

property on a resource for which there is no dead property in the same

namespace httpd segfaults. PR 52559 [Diego Santa Cruz

<diego.santaCruz spinetix.com>]

*) mod_dav: PROPPATCH delete (svn propdel) silently discards errors.

PR 53525 [Arwin Arni <arwin collab.net>]

*) mod_dav: Ensure URI is correctly uriencoded on return. PR 54611

[Timothy Wood <tjw omnigroup.com>]

*) mod_dav: Sending a If or If-Match header with an invalid ETag doesn't

result in a 412 Precondition Failed. PR 54610 [Timothy Wood

<tjw omnigroup.com>]

*) mod_dav: Make sure that when we prepare an If URL for Etag comparison,

we compare unencoded paths. PR 53910 [Timothy Wood <tjw omnigroup.com>]

*) core, mod_ssl: Lift the restriction that prevents mod_ssl taking

full advantage of the event MPM. Enable the ability for a module

to reverse the sense of a poll event from a read to a write or vice

versa. [Graham Leggett]

*) htpasswd: Add -v option to verify a password. [Stefan Fritsch]

*) htpasswd, htdbm: Fix password generation. PR 54735. [Stefan Fritsch]

*) mod_dav: Improve error handling in dav_method_put(), add new

dav_join_error() function. PR 54145. [Ben Reser <ben reser.org>]

*) mod_auth_digest: Fix crashes if shm initialization failed. [Stefan

Fritsch]

*) mod_ldap: LDAP connections used for authentication were not respecting

LDAPConnectionPoolTimeout. PR 54587

*) core: ap_rgetline_core now pulls from r->proto_input_filters.

*) mod_proxy_html: process parsed comments immediately.

Fixes bug where parsed comments may be lost. [Nick Kew]

*) mod_proxy_html: introduce doctype for HTML 5 [Nick Kew]

*) mod_proxy_html: fix typo-bug processing "strict" vs "transitional"

HTML/XHTML [Nick Kew]

*) core: Add option to add valgrind support. Use it to reduce false positive

warnings in mod_ssl. [Stefan Fritsch]

*) mod_lua: Add bindings for apr_dbd/mod_dbd database access

[Daniel Gruno]

*) mod_authn_file, mod_authn_dbd, mod_authn_dbm, mod_authn_socache:

Cache the result of the most recent password hash verification for every

keep-alive connection. This saves some expensive calculations.

[Stefan Fritsch]

*) http: Remove support for Request-Range header sent by Navigator 2-3 and

MSIE 3. [Stefan Fritsch]

*) core, http: Extend HttpProtocol with an option to enforce stricter HTTP

conformance or to only log the found problems. [Stefan Fritsch]

*) core: Correctly parse an IPv6 literal host specification in an absolute

URL in the request line. [Stefan Fritsch]

*) mod_ssl: add support for subjectAltName-based host name checking

in proxy mode. PR 54030. [Kaspar Brand]

*) mpm_event: Check that AsyncRequestWorkerFactor is not negative. PR 54254.

[Jackie Zhang <jackie qq zhang gmail com>]

*) mod_ssl: Add support for OpenSSL configuration commands [Stephen Henson]

*) EventOpt MPM

*) core: Add LogLevelOverride directive that allows to override the

loglevel for clients from certain IPs. This also works for things

like the SSL handshake where <If> LogLevel ... </If> is evaluated

too late. [Stefan Fritsch]

*) core: Add new directive Warning to issue warnings from a configuration

file. Both Warning and Error now generate a timestamped log message.

[Fabien Coelho]

*) ap_expr: Add SERVER_PROTOCOL_VERSION, ..._MAJOR, and ..._MINOR

variables. [Stefan Fritsch]

*) core: New directive RegisterHttpMethod for registering non-standard

HTTP methods. [Stefan Fritsch]

*) core: New directive HttpProtocol which allows to disable HTTP/0.9

support. [Stefan Fritsch]

*) mod_allowhandlers: New module to forbid specific handlers for specific

directories. [Stefan Fritsch]

*) configure: Fix processing of --disable-FEATURE for various features.

[Jeff Trawick]

*) mod_systemd: New module, for integration with systemd on Linux.

[Jan Kaluza <jkaluza redhat.com>]

*) mod_cache_socache: New cache implementation backed by mod_socache

that replaces mod_mem_cache removed from httpd v2.2. [Graham

Leggett]

*) core: Add dirwalk_stat and pre_htaccess hooks, allowing mpm-itk

to be used without patches to httpd core. [Jeff Trawick]

*) mod_lua: Add LuaInputFilter/LuaOutputFilter for creating content

filters in Lua [Daniel Gruno]

*) WinNT MPM: Store pid and generation for each thread in scoreboard

to allow tracking of threads from exiting children via mod_status

or other such mechanisms. [Jeff Trawick]

*) mod_ssl: Catch missing or mismatched client cert/key pairs with

SSLProxyMachineCertificateFile/Path directives. PR 52212.

[Keith Burdis <keith burdis.org>, Joe Orton]

*) mod_lua: Allow scripts handled by the lua-script handler to return

a status code to the client (such as a 302 or a 500) [Daniel Gruno]

*) mod_lua: Decline handling 'lua-script' if the file doesn't exist,

rather than throwing an internal server error. [Daniel Gruno]

*) mod_lua: Add functions r:flush and r:sendfile as well as additional

request information to the request_rec structure. [Daniel Gruno]

*) mod_lua: Add a server scope for Lua states, which creates a pool of

states with managable minimum and maximum size. [Daniel Gruno]

*) core: Add post_perdir_config hook.

[Steinar Gunderson <sgunderson bigfoot.com>]

*) mod_lua: Add new directive, LuaMapHandler, for dynamically mapping

URIs to Lua scripts and functions using regular expressions.

[Daniel Gruno]

*) mod_lua: Add new directive LuaCodeCache for controlling in-memory

caching of lua scripts. [Daniel Gruno]

*) The following now respect DefaultRuntimeDir/DEFAULT_REL_RUNTIMEDIR:

- APIs: ap_log_pid(), ap_remove_pid, ap_read_pid()

- core: the scoreboard (ScoreBoardFile), pid file (PidFile), and

mutexes (Mutex)

- mod_cache: thundering herd lock directory

- mod_lbmethod_heartbeat, mod_heartmonitor: heartbeat storage file

- mod_ldap: shared memory cache

- mod_socache_shmcb, mod_socache_dbm: shared memory or dbm for cache

[Jeff Trawick]

*) suexec: Add --enable-suexec-capabilites support on Linux, to use

setuid/setgid capability bits rather than a setuid root binary.

[Joe Orton]

*) suexec: Add support for logging to syslog as an alternative to logging

to a file; configure --without-suexec-logfile --with-suexec-syslog.

[Joe Orton]

*) mod_ssl: Add support for TLS Next Protocol Negotiation. PR 52210.

[Matthew Steele <mdsteele google.com>]

*) cross-compile: allow to provide CC_FOR_BUILD so that gen_test_char will

be compiled by the build compiler instead of the host compiler.

Also set CC_FOR_BUILD to 'cc' when cross-compilation is detected.

PR 51257. [Guenter Knauf]

*) core: In maintainer mode, replace apr_palloc with a version that

initializes the allocated memory with non-zero values, except if

AP_DEBUG_NO_ALLOC_POISON is defined. [Stefan Fritsch]

*) mod_policy: Add a new testing module to help server administrators

enforce a configurable level of protocol compliance on their

servers and application servers behind theirs. [Graham Leggett]

*) mod_firehose: Add a new debugging module able to record traffic

passing through the server in such a way that connections and/or

requests be reconstructed and replayed. [Graham Leggett]

*) mod_noloris

*) APREQ

*) Simple MPM

*) mod_serf

[Apache 2.5.0-dev includes those bug fixes and changes with the

Apache 2.4.xx tree as documented below, except as noted.]

Changes with Apache 2.4.x and later:

*) http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES?view=markup

Changes with Apache 2.2.x and later:

*) http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/CHANGES?view=markup

Changes with Apache 2.0.x and later:

*) http://svn.apache.org/viewvc/httpd/httpd/branches/2.0.x/CHANGES?view=markup