2 Changes with Apache 2.5.0
4 *) Add suspend_connection and resume_connection hooks to notify modules
5 when the thread/connection relationship changes. (Currently implemented
6 only for the Event MPM; should be implemented for all async MPMs.)
9 *) mod_ssl: Don't flush when an EOS is received. Prepares mod_ssl
10 to support write completion. [Graham Leggett]
12 *) prefork: Fix long delays when doing a graceful restart.
13 PR 54852 [Jim Jagielski, Arkadiusz Miskiewicz <arekm maven pl>]
15 *) core: Add parse_errorlog_arg callback to ap_errorlog_provider
16 to allow providers to check the ErrorLog argument. [Jan Kaluza]
18 *) core: Detect incomplete body in HTTP input filter and return
19 APR_INCOMPLETE. PR 55475 [Yann Ylavic <ylavic dev gmail com>]
21 *) mod_cgid: Use the servers Timeout for each read from a CGI script,
22 allow override with new CGIDRequestTimeout directive. PR43494
23 [Eric Covener, Toshikuni Fukaya <toshikuni-fukaya cybozu co jp>]
25 *) core: Add missing Reason-Phrase in HTTP response headers.
26 PR 54946. [Rainer Jung]
28 *) core: ensure any abnormal exit is reported to stderr if it's a tty.
31 *) mod_proxy: Added support for unix domain sockets as the
32 backend server endpoint [Jim Jagielski, Blaise Tarr
33 <blaise tarr gmail com>]
35 *) mod_auth_form: Make sure the optional functions are loaded even when
36 the AuthFormProvider isn't specified. [Graham Leggett]
38 *) mod_lua: Let the Inter-VM get/set functions work with a global
39 shared memory pool instead of a per-process pool. [Daniel Gruno]
41 *) ldap: Support ldaps when using the Microsoft LDAP SDK.
42 PR 54626. [Jean-Frederic Clere]
44 *) mod_proxy: Add ap_connection_reusable() for checking if a connection
45 is reusable as of this point in processing. [Jeff Trawick]
47 *) mod_authnz_ldap: Change default value of AuthLDAPMaxSubGroupDepth to 0
48 to avoid performance problems when subgroups aren't in use. [Eric Covener]
50 *) mod_syslog: New module implementing syslog ap_error_log provider.
51 Previously, this code was part of core, now it's in separate module.
54 *) core: Add ap_errorlog_provider to make ErrorLog logging modular. Move
55 syslog support from core to new mod_syslog. [Jan Kaluza]
57 *) core: draft-ietf-httpbis-p1-messaging-23 corrections regarding
58 TE/CL conflicts. [Yann Ylavic <ylavic.dev gmail com>, Jim Jagielski]
60 *) mod_proxy_fcgi: Use apr_socket_timeout_get instead of hard-coded
61 30 seconds timeout. [Jan Kaluza]
63 *) WinNT MPM: If ap_run_pre_connection() fails or sets c->aborted, don't
64 save the socket for reuse by the next worker as if it were an
65 APR_SO_DISCONNECTED socket. Restores 2.2 behavior. [Eric Covener]
67 *) mod_lua: Add a logging hook for modifying/skipping logs. [Daniel Gruno]
69 *) mod_status, mod_echo: Fix the display of client addresses.
70 They were truncated to 31 characters which is not enough for IPv6 addresses.
71 PR 54848 [Bernhard Schmidt <berni birkenwald de>]
73 *) mod_lua: If the first yield() of a LuaOutputFilter returns a string, it should
74 be prefixed to the response as documented. [Eric Covener]
76 *) mod_lua: Remove ETAG, Content-Length, and Content-MD5 when a LuaOutputFilter
77 is configured without mod_filter. [Eric Covener]
79 *) mod_lua: Register LuaOutputFilter scripts as changing the content and
80 content-length by default, when run my mod_filter. Previously,
81 growing or shrinking a response that started with Content-Length set
82 would require mod_filter and FilterProtocol change=yes. [Eric Covnener]
84 *) mod_lua: Return a 500 error if a LuaHook* script doesn't return a
85 numeric return code. [Eric Covener]
87 *) mod_authnz_fcgi: New module to enable FastCGI authorizer
88 applications to authenticate and/or authorize clients.
91 *) core: Add ap_log_data(), ap_log_rdata(), etc. for logging buffers.
94 *) mod_unique_id: Use output of the PRNG rather than IP address and
95 pid, avoiding sleep() call and possible DNS issues at startup,
96 plus improving randomness for IPv6-only hosts.
97 [Jan Kaluza <jkaluza redhat.com>]
99 *) mod_authnz_ldap: Support primitive LDAP servers that do not accept
100 filters, such as "SDBM-backed LDAP" on z/OS, by allowing a special
101 filter "none" to be specified in AuthLDAPURL. [Eric Covener]
103 *) mod_file_cache: mod_file_cache should be able to serve files that
104 haven't had a Content-Type set via e.g. mod_mime. [Eric Covener]
106 *) core: merge AllowEncodedSlashes from the base configuration into
107 virtual hosts. [Eric Covener]
109 *) AIX: Install DSO's with "cp" instead of "install" in instdso.sh
112 *) mod_ldap: Don't keep retrying if a new LDAP connection times out.
115 *) mod_deflate: permit compilation of mod_deflate against a zlib that has
116 been configured with -D Z_PREFIX, which redefines the token "deflate".
119 *) mod_socache_shmcb.c: Remove arbitrary restriction on shared memory size
120 previously limited to 64MB. [Jens Låås <jelaas gmail.com>]
122 *) mod_auth_digest: Use the secret when generating nonces in all cases and
123 not only when AuthName is used in .htaccess files (this change may cause
124 problems if used with round robin load balancers). Don't regenerate the
125 secret on graceful restarts. PR 54637 [Stefan Fritsch]
127 *) core: Remove apr_brigade_flatten(), buffering and duplicated code
128 from the HTTP_IN filter, parse chunks in a single pass with zero copy.
129 Reduce memory usage by 48 bytes per request. [Graham Leggett]
131 *) core: Stop the HTTP_IN filter from attempting to write error buckets
132 to the output filters, which is bogus in the proxy case. Create a
133 clean mapping from APR codes to HTTP status codes, and use it where
134 needed. [Graham Leggett]
136 *) mod_proxy: Ensure network errors detected by the proxy are returned as
137 504 Gateway Timout as opposed to 502 Bad Gateway, in order to be
138 compliant with RFC2616 14.9.4 Cache Revalidation and Reload Controls.
140 *) mod_dav: mod_dav overrides dav_fs response on PUT failure. PR 35981
141 [Basant Kumar Kukreja <basant.kukreja sun.com>, Alejandro Alvarez
142 <alejandro.alvarez.ayllon cern.ch>]
144 *) core, mod_ssl: Enable the ability for a module to reverse the sense of
145 a poll event from a read to a write or vice versa. This is a step on
146 the way to allow mod_ssl taking full advantage of the event MPM.
149 *) mod_ldap: LDAP connections used for authentication were not respecting
150 LDAPConnectionPoolTimeout. PR 54587
152 *) core: ap_rgetline_core now pulls from r->proto_input_filters.
154 *) mod_proxy_html: process parsed comments immediately.
155 Fixes bug where parsed comments may be lost. [Nick Kew]
157 *) mod_proxy_html: introduce doctype for HTML 5 [Nick Kew]
159 *) mod_proxy_html: fix typo-bug processing "strict" vs "transitional"
160 HTML/XHTML [Nick Kew]
162 *) core: Add option to add valgrind support. Use it to reduce false positive
163 warnings in mod_ssl. [Stefan Fritsch]
165 *) mod_authn_file, mod_authn_dbd, mod_authn_dbm, mod_authn_socache:
166 Cache the result of the most recent password hash verification for every
167 keep-alive connection. This saves some expensive calculations.
170 *) http: Remove support for Request-Range header sent by Navigator 2-3 and
171 MSIE 3. [Stefan Fritsch]
173 *) core, http: Extend HttpProtocol with an option to enforce stricter HTTP
174 conformance or to only log the found problems. [Stefan Fritsch]
176 *) core: Correctly parse an IPv6 literal host specification in an absolute
177 URL in the request line. [Stefan Fritsch]
179 *) mod_ssl: Add support for OpenSSL configuration commands [Stephen Henson]
183 *) core: Add LogLevelOverride directive that allows to override the
184 loglevel for clients from certain IPs. This also works for things
185 like the SSL handshake where <If> LogLevel ... </If> is evaluated
186 too late. [Stefan Fritsch]
188 *) core: Add new directive Warning to issue warnings from a configuration
189 file. Both Warning and Error now generate a timestamped log message.
192 *) ap_expr: Add SERVER_PROTOCOL_VERSION, ..._MAJOR, and ..._MINOR
193 variables. [Stefan Fritsch]
195 *) core: New directive RegisterHttpMethod for registering non-standard
196 HTTP methods. [Stefan Fritsch]
198 *) core: New directive HttpProtocol which allows to disable HTTP/0.9
199 support. [Stefan Fritsch]
201 *) mod_allowhandlers: New module to forbid specific handlers for specific
202 directories. [Stefan Fritsch]
204 *) mod_systemd: New module, for integration with systemd on Linux.
205 [Jan Kaluza <jkaluza redhat.com>]
207 *) WinNT MPM: Store pid and generation for each thread in scoreboard
208 to allow tracking of threads from exiting children via mod_status
209 or other such mechanisms. [Jeff Trawick]
211 *) The following now respect DefaultRuntimeDir/DEFAULT_REL_RUNTIMEDIR:
212 - APIs: ap_log_pid(), ap_remove_pid, ap_read_pid()
213 - core: the scoreboard (ScoreBoardFile), pid file (PidFile), and
215 - mod_cache: thundering herd lock directory
216 - mod_lbmethod_heartbeat, mod_heartmonitor: heartbeat storage file
217 - mod_ldap: shared memory cache
218 - mod_socache_shmcb, mod_socache_dbm: shared memory or dbm for cache
221 *) suexec: Add --enable-suexec-capabilites support on Linux, to use
222 setuid/setgid capability bits rather than a setuid root binary.
225 *) suexec: Add support for logging to syslog as an alternative to logging
226 to a file; configure --without-suexec-logfile --with-suexec-syslog.
229 *) mod_ssl: Add support for TLS Next Protocol Negotiation. PR 52210.
230 [Matthew Steele <mdsteele google.com>]
232 *) cross-compile: allow to provide CC_FOR_BUILD so that gen_test_char will
233 be compiled by the build compiler instead of the host compiler.
234 Also set CC_FOR_BUILD to 'cc' when cross-compilation is detected.
235 PR 51257. [Guenter Knauf]
237 *) core: In maintainer mode, replace apr_palloc with a version that
238 initializes the allocated memory with non-zero values, except if
239 AP_DEBUG_NO_ALLOC_POISON is defined. [Stefan Fritsch]
241 *) mod_policy: Add a new testing module to help server administrators
242 enforce a configurable level of protocol compliance on their
243 servers and application servers behind theirs. [Graham Leggett]
245 *) mod_firehose: Add a new debugging module able to record traffic
246 passing through the server in such a way that connections and/or
247 requests be reconstructed and replayed. [Graham Leggett]
257 [Apache 2.5.0-dev includes those bug fixes and changes with the
258 Apache 2.4.xx tree as documented below, except as noted.]
260 Changes with Apache 2.4.x and later:
262 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES?view=markup
264 Changes with Apache 2.2.x and later:
266 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/CHANGES?view=markup
268 Changes with Apache 2.0.x and later:
270 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.0.x/CHANGES?view=markup