Overview of new features in Apache HTTP Server 2.4

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />  <title>Overview of new features in Apache HTTP Server 2.4 - Apache HTTP Server Version 2.5</title> <link href="./style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> <link href="./style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> <link href="./style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="./style/css/prettify.css" /> <script src="./style/scripts/prettify.min.js" type="text/javascript"> </script> <link href="./images/favicon.ico" rel="shortcut icon" /></head> <body id="manual-page"><div id="page-header"> <p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/quickreference.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p> <p class="apache">Apache HTTP Server Version 2.5</p> <img alt="" src="./images/feather.png" /></div> <div class="up"><a href="./"><img title="<-" alt="<-" src="./images/left.gif" /></a></div> <div id="path"> <a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="./">Version 2.5</a></div><div id="page-content"><div id="preamble"><h1>Overview of new features in Apache HTTP Server 2.4</h1> <div class="toplang"> <p><span>Available Languages: </span><a href="./en/new_features_2_4.html" title="English"> en </a> | <a href="./es/new_features_2_4.html" hreflang="es" rel="alternate" title="Espa帽ol"> es </a> | <a href="./fr/new_features_2_4.html" hreflang="fr" rel="alternate" title="Fran莽ais"> fr </a> | <a href="./tr/new_features_2_4.html" hreflang="tr" rel="alternate" title="T眉rk莽e"> tr </a></p> </div> <p>This document describes some of the major changes between the 2.2 and 2.4 versions of the Apache HTTP Server. For new features since version 2.0, see the <a href="new_features_2_2.html">2.2 new features</a> document.</p> </div> <div id="quickview"><ul id="toc"><li><img alt="" src="./images/down.gif" /> <a href="#core">Core Enhancements</a></li> <li><img alt="" src="./images/down.gif" /> <a href="#newmods">New Modules</a></li> <li><img alt="" src="./images/down.gif" /> <a href="#module">Module Enhancements</a></li> <li><img alt="" src="./images/down.gif" /> <a href="#programs">Program Enhancements</a></li> <li><img alt="" src="./images/down.gif" /> <a href="#documentation">Documentation</a></li> <li><img alt="" src="./images/down.gif" /> <a href="#developer">Module Developer Changes</a></li> </ul><h3>See also</h3><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> <div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div> <div class="section"> <h2><a name="core" id="core">Core Enhancements</a> <a title="Permanent link" href="#core" class="permalink">¶</a></h2> <dl> <dt>Run-time Loadable MPMs</dt> <dd>Multiple MPMs can now be <a href="mpm.html#dynamic">built as loadable modules</a> at compile time. The MPM of choice can be configured at run time via <code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code> directive.</dd> <dt>Event MPM</dt> <dd>The <a href="mod/event.html">Event MPM</a> is no longer experimental but is now fully supported.</dd> <dt>Asynchronous support</dt> <dd>Better support for asynchronous read/write for supporting MPMs and platforms.</dd> <dt>Per-module and per-directory LogLevel configuration</dt> <dd>The <code class="directive"><a href="./mod/core.html#loglevel">LogLevel</a></code> can now be configured per module and per directory. New levels <code>trace1</code> to <code>trace8</code> have been added above the <code>debug</code> log level.</dd> <dt>Per-request configuration sections</dt> <dd><code class="directive"><a href="./mod/core.html#if"><If></a></code>, <code class="directive"><a href="./mod/core.html#elseif"><ElseIf></a></code>, and <code class="directive"><a href="./mod/core.html#else"><Else></a></code> sections can be used to set the configuration based on per-request criteria.</dd> <dt>General-purpose expression parser</dt> <dd>A new expression parser allows to specify <a href="expr.html">complex conditions</a> using a common syntax in directives like <code class="directive"><a href="./mod/mod_setenvif.html#setenvifexpr">SetEnvIfExpr</a></code>, <code class="directive"><a href="./mod/mod_rewrite.html#rewritecond">RewriteCond</a></code>, <code class="directive"><a href="./mod/mod_headers.html#header">Header</a></code>, <code class="directive"><a href="./mod/core.html#if"><If></a></code>, and others. </dd> <dt>KeepAliveTimeout in milliseconds</dt> <dd>It is now possible to specify <code class="directive"><a href="./mod/core.html#keepalivetimeout">KeepAliveTimeout</a></code> in milliseconds. </dd> <dt>NameVirtualHost directive</dt> <dd>No longer needed and is now deprecated.</dd> <dt>Override Configuration</dt> <dd>The new <code class="directive"><a href="./mod/core.html#allowoverridelist">AllowOverrideList</a></code> directive allows more fine grained control which directives are allowed in <code>.htaccess</code> files. </dd> <dt>Config file variables</dt> <dd>It is now possible to <code class="directive"><a href="./mod/core.html#define">Define</a></code> variables in the configuration, allowing a clearer representation if the same value is used at many places in the configuration. </dd> <dt>Reduced memory usage</dt> <dd>Despite many new features, 2.4.x tends to use less memory than 2.2.x.</dd> </dl> </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div> <div class="section"> <h2><a name="newmods" id="newmods">New Modules</a> <a title="Permanent link" href="#newmods" class="permalink">¶</a></h2> <dl> <dt><code class="module"><a href="./mod/mod_proxy_fcgi.html">mod_proxy_fcgi</a></code></dt> <dd>FastCGI Protocol backend for <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dd> <dt><code class="module"><a href="./mod/mod_proxy_scgi.html">mod_proxy_scgi</a></code></dt> <dd>SCGI Protocol backend for <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dd> <dt><code class="module"><a href="./mod/mod_proxy_express.html">mod_proxy_express</a></code></dt> <dd>Provides dynamically configured mass reverse proxies for <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dd> <dt><code class="module"><a href="./mod/mod_remoteip.html">mod_remoteip</a></code></dt> <dd>Replaces the apparent client remote IP address and hostname for the request with the IP address list presented by a proxies or a load balancer via the request headers.</dd> <dt><code class="module"><a href="./mod/mod_heartmonitor.html">mod_heartmonitor</a></code>, <code class="module"><a href="./mod/mod_lbmethod_heartbeat.html">mod_lbmethod_heartbeat</a></code></dt> <dd>Allow <code class="module"><a href="./mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code> to base loadbalancing decisions on the number of active connections on the backend servers.</dd> <dt><code class="module"><a href="./mod/mod_proxy_html.html">mod_proxy_html</a></code></dt> <dd>Formerly a third-party module, this supports fixing of HTML links in a reverse proxy situation, where the backend generates URLs that are not valid for the proxy's clients.</dd> <dt><code class="module"><a href="./mod/mod_sed.html">mod_sed</a></code></dt> <dd>An advanced replacement of <code class="module"><a href="./mod/mod_substitute.html">mod_substitute</a></code>, allows to edit the response body with the full power of sed.</dd> <dt><code class="module"><a href="./mod/mod_auth_form.html">mod_auth_form</a></code></dt> <dd>Enables form-based authentication.</dd> <dt><code class="module"><a href="./mod/mod_session.html">mod_session</a></code></dt> <dd>Enables the use of session state for clients, using cookie or database storage.</dd> <dt><code class="module"><a href="./mod/mod_allowmethods.html">mod_allowmethods</a></code></dt> <dd>New module to restrict certain HTTP methods without interfering with authentication or authorization.</dd> <dt><code class="module"><a href="./mod/mod_lua.html">mod_lua</a></code></dt> <dd>Embeds the <a href="http://www.lua.org/">Lua</a> language into httpd, for configuration and small business logic functions. (Experimental)</dd> <dt><code class="module"><a href="./mod/mod_log_debug.html">mod_log_debug</a></code></dt> <dd>Allows the addition of customizable debug logging at different phases of the request processing.</dd> <dt><code class="module"><a href="./mod/mod_buffer.html">mod_buffer</a></code></dt> <dd>Provides for buffering the input and output filter stacks</dd> <dt><code class="module"><a href="./mod/mod_data.html">mod_data</a></code></dt> <dd>Convert response body into an RFC2397 data URL</dd> <dt><code class="module"><a href="./mod/mod_ratelimit.html">mod_ratelimit</a></code></dt> <dd>Provides Bandwidth Rate Limiting for Clients</dd> <dt><code class="module"><a href="./mod/mod_request.html">mod_request</a></code></dt> <dd>Provides Filters to handle and make available HTTP request bodies</dd> <dt><code class="module"><a href="./mod/mod_reflector.html">mod_reflector</a></code></dt> <dd>Provides Reflection of a request body as a response via the output filter stack.</dd> <dt><code class="module"><a href="./mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code></dt> <dd>Provides a Slot-based shared memory provider (ala the scoreboard).</dd> <dt><code class="module"><a href="./mod/mod_xml2enc.html">mod_xml2enc</a></code></dt> <dd>Formerly a third-party module, this supports internationalisation in libxml2-based (markup-aware) filter modules.</dd> <dt><code class="module"><a href="./mod/mod_macro.html">mod_macro</a></code> (available since 2.4.5)</dt> <dd>Provide macros within configuration files.</dd> <dt><code class="module"><a href="./mod/mod_proxy_wstunnel.html">mod_proxy_wstunnel</a></code> (available since 2.4.5)</dt> <dd>Support web-socket tunnels.</dd> <dt><code class="module"><a href="./mod/mod_authnz_fcgi.html">mod_authnz_fcgi</a></code> (available since 2.4.10)</dt> <dd>Enable FastCGI authorizer applications to authenticate and/or authorize clients.</dd> <dt><code class="module"><a href="./mod/mod_http2.html">mod_http2</a></code> (available since 2.4.17)</dt> <dd>Support for the HTTP/2 transport layer.</dd> <dt><code class="module"><a href="./mod/mod_proxy_http2.html">mod_proxy_http2</a></code> (available since 2.4.19)</dt> <dd>HTTP/2 Protocol backend for <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dd> <dt><code class="module"><a href="./mod/mod_proxy_hcheck.html">mod_proxy_hcheck</a></code> (available since 2.4.21)</dt> <dd>Support independent dynamic health checks for remote proxiy backend servers.</dd> <dt><code class="module"><a href="./mod/mod_brotli.html">mod_brotli</a></code> (available since 2.4.26)</dt> <dd>Support the Brotli compression algorithm.</dd> <dt><code class="module"><a href="./mod/mod_md.html">mod_md</a></code> (available since 2.4.30)</dt> <dd>Support the ACME protocol to automate certificate provisionning.</dd> <dt><code class="module"><a href="./mod/mod_proxy_uwsgi.html">mod_proxy_uwsgi</a></code> (available since 2.4.30)</dt> <dd>UWSGI gateway module for <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code>.</dd> <dt><code class="module"><a href="./mod/mod_socache_redis.html">mod_socache_redis</a></code> (available since 2.4.39)</dt> <dd>Support <a href="http://redis.io/">Redis</a> based shared object cache provider.</dd> <dt><code class="module"><a href="./mod/mod_systemd.html">mod_systemd</a></code> (available since 2.4.42)</dt> <dd>systemd integration. It allows httpd to be used in a service with the systemd <code>Type=notify</code>.</dd> </dl> </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div> <div class="section"> <h2><a name="module" id="module">Module Enhancements</a> <a title="Permanent link" href="#module" class="permalink">¶</a></h2> <dl> <dt><code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code></dt> <dd><code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code> can now be configured to use an OCSP server to check the validation status of a client certificate. The default responder is configurable, along with the decision on whether to prefer the responder designated in the client certificate itself.</dd> <dd><code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code> now also supports OCSP stapling, where the server pro-actively obtains an OCSP verification of its certificate and transmits that to the client during the handshake. </dd> <dd><code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code> can now be configured to share SSL Session data between servers through memcached</dd> <dd>EC keys are now supported in addition to RSA and DSA.</dd> <dd>Support for TLS-SRP (available in 2.4.4 and later).</dd> <dt><code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dt> <dd>The <code class="directive"><a href="./mod/mod_proxy.html#proxypass">ProxyPass</a></code> directive is now most optimally configured within a <code class="directive"><a href="./mod/core.html#location">Location</a></code> or <code class="directive"><a href="./mod/core.html#locationmatch">LocationMatch</a></code> block, and offers a significant performance advantage over the traditional two-parameter syntax when present in large numbers.</dd> <dd>The source address used for proxy requests is now configurable.</dd> <dd>Support for Unix domain sockets to the backend (available in 2.4.7 and later).</dd> <dt><code class="module"><a href="./mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code></dt> <dd>More runtime configuration changes for BalancerMembers via balancer-manager</dd> <dd>Additional BalancerMembers can be added at runtime via balancer-manager</dd> <dd>Runtime configuration of a subset of Balancer parameters</dd> <dd>BalancerMembers can be set to 'Drain' so that they only respond to existing sticky sessions, allowing them to be taken gracefully offline.</dd> <dd>Balancer settings can be persistent after restarts.</dd> <dt><code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code></dt> <dd>The <code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code> CACHE filter can be optionally inserted at a given point in the filter chain to provide fine control over caching. </dd> <dd><code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code> can now cache HEAD requests.</dd> <dd>Where possible, <code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code> directives can now be set per directory, instead of per server.</dd> <dd>The base URL of cached URLs can be customised, so that a cluster of caches can share the same endpoint URL prefix.</dd> <dd><code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code> is now capable of serving stale cached data when a backend is unavailable (error 5xx).</dd> <dd><code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code> can now insert HIT/MISS/REVALIDATE into an X-Cache header.</dd> <dt><code class="module"><a href="./mod/mod_include.html">mod_include</a></code></dt> <dd>Support for the 'onerror' attribute within an 'include' element, allowing an error document to be served on error instead of the default error string.</dd> <dt><code class="module"><a href="./mod/mod_cgi.html">mod_cgi</a></code>, <code class="module"><a href="./mod/mod_include.html">mod_include</a></code>, <code class="module"><a href="./mod/mod_isapi.html">mod_isapi</a></code>, ...</dt> <dd>Translation of headers to environment variables is more strict than before to mitigate some possible cross-site-scripting attacks via header injection. Header names containing invalid characters (including underscores) are no longer converted to environment variables. <a href="env.html">Environment Variables in Apache</a> has some pointers on how to work around broken legacy clients which require such headers. (This affects all modules which use these environment variables.)</dd> <dt><code class="module"><a href="./mod/mod_authz_core.html">mod_authz_core</a></code> Authorization Logic Containers</dt> <dd>Advanced authorization logic may now be specified using the <code class="directive"><a href="./mod/mod_authz_core.html#require">Require</a></code> directive and the related container directives, such as <code class="directive"><a href="./mod/mod_authz_core.html#requireall"><RequireAll></a></code>.</dd> <dt><code class="module"><a href="./mod/mod_rewrite.html">mod_rewrite</a></code></dt> <dd><code class="module"><a href="./mod/mod_rewrite.html">mod_rewrite</a></code> adds the <code>[QSD]</code> (Query String Discard) and <code>[END]</code> flags for <code class="directive"><a href="./mod/mod_rewrite.html#rewriterule">RewriteRule</a></code> to simplify common rewriting scenarios.</dd> <dd>Adds the possibility to use complex boolean expressions in <code class="directive"><a href="./mod/mod_rewrite.html#rewritecond">RewriteCond</a></code>.</dd> <dd>Allows the use of SQL queries as <code class="directive"><a href="./mod/mod_rewrite.html#rewritemap">RewriteMap</a></code> functions.</dd> <dt><code class="module"><a href="./mod/mod_ldap.html">mod_ldap</a></code>, <code class="module"><a href="./mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code></dt> <dd><code class="module"><a href="./mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> adds support for nested groups.</dd> <dd><code class="module"><a href="./mod/mod_ldap.html">mod_ldap</a></code> adds <code class="directive"><a href="./mod/mod_ldap.html#ldapconnectionpoolttl">LDAPConnectionPoolTTL</a></code>, <code class="directive"><a href="./mod/mod_ldap.html#ldaptimeout">LDAPTimeout</a></code>, and other improvements in the handling of timeouts. This is especially useful for setups where a stateful firewall drops idle connections to the LDAP server.</dd> <dd><code class="module"><a href="./mod/mod_ldap.html">mod_ldap</a></code> adds <code class="directive"><a href="./mod/mod_ldap.html#ldaplibrarydebug">LDAPLibraryDebug</a></code> to log debug information provided by the used LDAP toolkit.</dd> <dt><code class="module"><a href="./mod/mod_info.html">mod_info</a></code></dt> <dd><code class="module"><a href="./mod/mod_info.html">mod_info</a></code> can now dump the pre-parsed configuration to stdout during server startup.</dd> <dt><code class="module"><a href="./mod/mod_auth_basic.html">mod_auth_basic</a></code></dt> <dd>New generic mechanism to fake basic authentication (available in 2.4.5 and later).</dd> </dl> </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div> <div class="section"> <h2><a name="programs" id="programs">Program Enhancements</a> <a title="Permanent link" href="#programs" class="permalink">¶</a></h2> <dl> <dt><code class="program"><a href="./programs/fcgistarter.html">fcgistarter</a></code></dt> <dd>New FastCGI daemon starter utility</dd> <dt><code class="program"><a href="./programs/htcacheclean.html">htcacheclean</a></code></dt> <dd>Current cached URLs can now be listed, with optional metadata included.</dd> <dd>Allow explicit deletion of individual cached URLs from the cache.</dd> <dd>File sizes can now be rounded up to the given block size, making the size limits map more closely to the real size on disk.</dd> <dd>Cache size can now be limited by the number of inodes, instead of or in addition to being limited by the size of the files on disk.</dd> <dt><code class="program"><a href="./programs/rotatelogs.html">rotatelogs</a></code></dt> <dd>May now create a link to the current log file.</dd> <dd>May now invoke a custom post-rotate script.</dd> <dt><code class="program"><a href="./programs/htpasswd.html">htpasswd</a></code>, <code class="program"><a href="./programs/htdbm.html">htdbm</a></code></dt> <dd>Support for the bcrypt algorithm (available in 2.4.4 and later). </dd> </dl> </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div> <div class="section"> <h2><a name="documentation" id="documentation">Documentation</a> <a title="Permanent link" href="#documentation" class="permalink">¶</a></h2> <dl> <dt>mod_rewrite</dt> <dd>The <code class="module"><a href="./mod/mod_rewrite.html">mod_rewrite</a></code> documentation has been rearranged and almost completely rewritten, with a focus on examples and common usage, as well as on showing you when other solutions are more appropriate. The <a href="rewrite/">Rewrite Guide</a> is now a top-level section with much more detail and better organization.</dd> <dt>mod_ssl</dt> <dd>The <code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code> documentation has been greatly enhanced, with more examples at the getting started level, in addition to the previous focus on technical details.</dd> <dt>Caching Guide</dt> <dd>The <a href="caching.html">Caching Guide</a> has been rewritten to properly distinguish between the RFC2616 HTTP/1.1 caching features provided by <code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code>, and the generic key/value caching provided by the <a href="socache.html">socache</a> interface, as well as to cover specialised caching provided by mechanisms such as <code class="module"><a href="./mod/mod_file_cache.html">mod_file_cache</a></code>.</dd> </dl> </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div> <div class="section"> <h2><a name="developer" id="developer">Module Developer Changes</a> <a title="Permanent link" href="#developer" class="permalink">¶</a></h2> <dl> <dt>Check Configuration Hook Added</dt> <dd>A new hook, <code>check_config</code>, has been added which runs between the <code>pre_config</code> and <code>open_logs</code> hooks. It also runs before the <code>test_config</code> hook when the <code>-t</code> option is passed to <code class="program"><a href="./programs/httpd.html">httpd</a></code>. The <code>check_config</code> hook allows modules to review interdependent configuration directive values and adjust them while messages can still be logged to the console. The user can thus be alerted to misconfiguration problems before the core <code>open_logs</code> hook function redirects console output to the error log.</dd> <dt>Expression Parser Added</dt> <dd>We now have a general-purpose expression parser, whose API is exposed in <var>ap_expr.h</var>. This is adapted from the expression parser previously implemented in <code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code>.</dd> <dt>Authorization Logic Containers</dt> <dd>Authorization modules now register as a provider, via ap_register_auth_provider(), to support advanced authorization logic, such as <code class="directive"><a href="./mod/mod_authz_core.html#requireall"><RequireAll></a></code>.</dd> <dt>Small-Object Caching Interface</dt> <dd>The <var>ap_socache.h</var> header exposes a provider-based interface for caching small data objects, based on the previous implementation of the <code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code> session cache. Providers using a shared-memory cyclic buffer, disk-based dbm files, and a memcache distributed cache are currently supported.</dd> <dt>Cache Status Hook Added</dt> <dd>The <code class="module"><a href="./mod/mod_cache.html">mod_cache</a></code> module now includes a new <code>cache_status</code> hook, which is called when the caching decision becomes known. A default implementation is provided which adds an optional <code>X-Cache</code> and <code>X-Cache-Detail</code> header to the response.</dd> </dl> <p>The developer documentation contains a <a href="developer/new_api_2_4.html">detailed list of API changes</a>.</p> </div></div> <div class="bottomlang"> <p><span>Available Languages: </span><a href="./en/new_features_2_4.html" title="English"> en </a> | <a href="./es/new_features_2_4.html" hreflang="es" rel="alternate" title="Espa帽ol"> es </a> | <a href="./fr/new_features_2_4.html" hreflang="fr" rel="alternate" title="Fran莽ais"> fr </a> | <a href="./tr/new_features_2_4.html" hreflang="tr" rel="alternate" title="T眉rk莽e"> tr </a></p> </div><div class="top"><a href="#page-header"><img src="./images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div> <script type="text/javascript"><![CDATA[//><!]]></script></div><div id="footer"> <p class="apache">Copyright 2023 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> <p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/quickreference.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p></div><script type="text/javascript"><![CDATA[//><!]]></script> </body></html>

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Overview of new features in Apache HTTP Server 2.4 - Apache HTTP Server Version 2.5