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243 lines
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243 lines
13 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!--
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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This file is generated from xml source: DO NOT EDIT
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-->
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<title>Overview of new features in Apache 2.0 - Apache HTTP Server</title>
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<link href="./style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
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<link href="./style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
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<link href="./style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" />
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<link href="./images/favicon.ico" rel="shortcut icon" /></head>
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<body id="manual-page"><div id="page-header">
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<p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/directives.html">Directives</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p>
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<p class="apache">Apache HTTP Server Version 2.3</p>
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<img alt="" src="./images/feather.gif" /></div>
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<div class="up"><a href="./"><img title="<-" alt="<-" src="./images/left.gif" /></a></div>
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<div id="path">
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<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 2.3</a></div><div id="page-content"><div id="preamble"><h1>Overview of new features in Apache 2.0</h1>
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<div class="toplang">
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<p><span>Available Languages: </span><a href="./de/new_features_2_0.html" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
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<a href="./en/new_features_2_0.html" title="English"> en </a> |
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<a href="./fr/new_features_2_0.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
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<a href="./ja/new_features_2_0.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<a href="./ko/new_features_2_0.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> |
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<a href="./pt-br/new_features_2_0.html" hreflang="pt-br" rel="alternate" title="Português (Brasil)"> pt-br </a> |
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<a href="./ru/new_features_2_0.html" hreflang="ru" rel="alternate" title="Russian"> ru </a></p>
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</div>
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<p>This document describes some of the major changes between the
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1.3 and 2.0 versions of the Apache HTTP Server.</p>
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</div>
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<div id="quickview"><ul id="toc"><li><img alt="" src="./images/down.gif" /> <a href="#core">Core Enhancements</a></li>
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<li><img alt="" src="./images/down.gif" /> <a href="#module">Module Enhancements</a></li>
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</ul><h3>See also</h3><ul class="seealso"><li><a href="upgrading.html">Upgrading to 2.0 from 1.3</a></li></ul></div>
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<div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
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<div class="section">
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<h2><a name="core" id="core">Core Enhancements</a></h2>
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<dl>
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<dt>Unix Threading</dt>
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<dd>On Unix systems with POSIX threads support, Apache can
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now run in a hybrid multiprocess, multithreaded mode. This
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improves scalability for many, but not all configurations.</dd>
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<dt>New Build System</dt>
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<dd>The build system has been rewritten from scratch to be
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based on <code>autoconf</code> and <code>libtool</code>.
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This makes Apache's configuration system more similar to
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that of other packages.</dd>
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<dt>Multiprotocol Support</dt>
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<dd>Apache now has some of the infrastructure in place to
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support serving multiple protocols. <code class="module"><a href="./mod/mod_echo.html">mod_echo</a></code> has
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been written as an example.</dd>
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<dt>Better support for non-Unix
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platforms</dt>
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<dd>Apache 2.0 is faster and more stable on non-Unix
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platforms such as BeOS, OS/2, and Windows. With the
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introduction of platform-specific <a href="mpm.html">multi-processing modules</a> (MPMs) and the
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Apache Portable Runtime (APR), these platforms are now
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implemented in their native API, avoiding the often buggy and
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poorly performing POSIX-emulation layers.</dd>
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<dt>New Apache API</dt>
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<dd>The API for modules has changed significantly for 2.0.
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Many of the module-ordering/-priority problems from 1.3 should
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be gone. 2.0 does much of this automatically, and module ordering
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is now done per-hook to allow more flexibility. Also, new calls
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have been added that provide additional module capabilities
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without patching the core Apache server.</dd>
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<dt>IPv6 Support</dt>
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<dd>On systems where IPv6 is supported by the underlying
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Apache Portable Runtime library, Apache gets IPv6 listening
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sockets by default. Additionally, the <code class="directive"><a href="./mod/mpm_common.html#listen">Listen</a></code>, <code class="directive"><a href="./mod/core.html#namevirtualhost">NameVirtualHost</a></code>, and <code class="directive"><a href="./mod/core.html#virtualhost">VirtualHost</a></code> directives support
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IPv6 numeric address strings (e.g., "<code>Listen
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[2001:db8::1]:8080</code>").</dd>
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<dt>Filtering</dt>
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<dd>Apache modules may now be written as filters which act on
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the stream of content as it is delivered to or from the
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server. This allows, for example, the output of CGI scripts to
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be parsed for Server Side Include directives using the
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<code>INCLUDES</code> filter in <code class="module"><a href="./mod/mod_include.html">mod_include</a></code>. The
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module <code class="module"><a href="./mod/mod_ext_filter.html">mod_ext_filter</a></code> allows external programs to
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act as filters in much the same way that CGI programs can act as
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handlers.</dd>
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<dt>Multilanguage Error Responses</dt>
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<dd>Error response messages to the browser are now provided in
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several languages, using SSI documents. They may be customized
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by the administrator to achieve a consistent look and feel.</dd>
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<dt>Simplified configuration</dt>
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<dd>Many confusing directives have been simplified. The often
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confusing <code>Port</code> and <code>BindAddress</code> directives
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are gone; only the <code class="directive"><a href="./mod/mpm_common.html#listen">Listen</a></code>
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directive is used for IP address binding; the <code class="directive"><a href="./mod/core.html#servername">ServerName</a></code> directive specifies the
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server name and port number only for redirection and vhost
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recognition.</dd>
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<dt>Native Windows NT Unicode Support</dt>
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<dd>Apache 2.0 on Windows NT now uses utf-8 for all filename
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encodings. These directly translate to the underlying Unicode
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file system, providing multilanguage support for all Windows
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NT-based installations, including Windows 2000 and Windows XP.
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<em>This support does not extend to Windows 95, 98 or ME, which
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continue to use the machine's local codepage for filesystem
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access.</em></dd>
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<dt>Regular Expression Library Updated</dt>
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<dd>Apache 2.0 includes the <a href="http://www.pcre.org/">Perl
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Compatible Regular Expression Library</a> (PCRE). All regular
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expression evaluation now uses the more powerful Perl 5
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syntax.</dd>
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</dl>
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</div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
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<div class="section">
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<h2><a name="module" id="module">Module Enhancements</a></h2>
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<dl>
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<dt><code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code></dt>
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<dd>New module in Apache 2.0. This module is an interface
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to the SSL/TLS encryption protocols provided by
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OpenSSL.</dd>
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<dt><code class="module"><a href="./mod/mod_dav.html">mod_dav</a></code></dt>
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<dd>New module in Apache 2.0. This module implements the HTTP
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Distributed Authoring and Versioning (DAV) specification for
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posting and maintaining web content.</dd>
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<dt><code class="module"><a href="./mod/mod_deflate.html">mod_deflate</a></code></dt>
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<dd>New module in Apache 2.0. This module allows supporting
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browsers to request that content be compressed before delivery,
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saving network bandwidth.</dd>
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<dt><code class="module"><a href="./mod/mod_auth_ldap.html">mod_auth_ldap</a></code></dt>
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<dd>New module in Apache 2.0.41. This module allows an LDAP
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database to be used to store credentials for HTTP Basic
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Authentication. A companion module, <code class="module"><a href="./mod/mod_ldap.html">mod_ldap</a></code>
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provides connection pooling and results caching.</dd>
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<dt><code class="module"><a href="./mod/mod_auth_digest.html">mod_auth_digest</a></code></dt>
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<dd>Includes additional support for session caching across
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processes using shared memory.</dd>
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<dt><code class="module"><a href="./mod/mod_charset_lite.html">mod_charset_lite</a></code></dt>
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<dd>New module in Apache 2.0. This experimental module allows
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for character set translation or recoding.</dd>
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<dt><code class="module"><a href="./mod/mod_file_cache.html">mod_file_cache</a></code></dt>
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<dd>New module in Apache 2.0. This module includes the
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functionality of <code>mod_mmap_static</code> in Apache 1.3,
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plus adds further caching abilities.</dd>
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<dt><code class="module"><a href="./mod/mod_headers.html">mod_headers</a></code></dt>
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<dd>This module is much more flexible in Apache 2.0. It can now
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modify request headers used by <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code>, and
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it can conditionally set response headers.</dd>
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<dt><code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dt>
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<dd>The proxy module has been completely rewritten to take
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advantage of the new filter infrastructure and to implement a
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more reliable, HTTP/1.1 compliant proxy. In addition, new
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<code class="directive"><a href="./mod/mod_proxy.html#proxy"><Proxy></a></code>
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configuration sections provide more readable (and internally
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faster) control of proxied sites; overloaded <code><Directory
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"proxy:..."></code> configuration are not supported. The module
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is now divided into specific protocol support modules including
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<code>proxy_connect</code>, <code>proxy_ftp</code> and
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<code>proxy_http</code>.</dd>
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<dt><code class="module"><a href="./mod/mod_negotiation.html">mod_negotiation</a></code></dt>
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<dd>A new <code class="directive"><a href="./mod/mod_negotiation.html#forcelanguagepriority">ForceLanguagePriority</a></code> directive can be used to assure that
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the client receives a single document in all cases, rather than
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NOT ACCEPTABLE or MULTIPLE CHOICES responses. In addition, the
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negotiation and MultiViews algorithms have been cleaned up to
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provide more consistent results and a new form of type map that
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can include document content is provided.</dd>
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<dt><code class="module"><a href="./mod/mod_autoindex.html">mod_autoindex</a></code></dt>
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<dd>Autoindex'ed directory listings can now be configured to
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use HTML tables for cleaner formatting, and allow finer-grained
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control of sorting, including version-sorting, and wildcard
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filtering of the directory listing.</dd>
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<dt><code class="module"><a href="./mod/mod_include.html">mod_include</a></code></dt>
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<dd>New directives allow the default start and end tags for SSI elements
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to be changed and allow for error and time format configuration
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to take place in the main configuration file rather than in the
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SSI document. Results from regular expression parsing and grouping
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(now based on Perl's regular expression syntax) can be retrieved
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using <code class="module"><a href="./mod/mod_include.html">mod_include</a></code>'s variables <code>$0</code>
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.. <code>$9</code>.</dd>
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<dt><code class="module"><a href="./mod/mod_auth_dbm.html">mod_auth_dbm</a></code></dt>
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<dd>Now supports multiple types of DBM-like databases using the
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<code class="directive"><a href="./mod/mod_auth_dbm.html#authdbmtype">AuthDBMType</a></code>
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directive.</dd>
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</dl>
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</div></div>
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<div class="bottomlang">
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<p><span>Available Languages: </span><a href="./de/new_features_2_0.html" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
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<a href="./en/new_features_2_0.html" title="English"> en </a> |
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<a href="./fr/new_features_2_0.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
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<a href="./ja/new_features_2_0.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<a href="./ko/new_features_2_0.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> |
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<a href="./pt-br/new_features_2_0.html" hreflang="pt-br" rel="alternate" title="Português (Brasil)"> pt-br </a> |
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<a href="./ru/new_features_2_0.html" hreflang="ru" rel="alternate" title="Russian"> ru </a></p>
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</div><div id="footer">
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<p class="apache">Copyright 2007 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>
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<p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/directives.html">Directives</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p></div>
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