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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!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><!--
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ This file is generated from xml source: DO NOT EDIT
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ -->
+<title>Overview of new features in Apache 2.0 - Apache HTTP Server</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 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/directives.html">Directives</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p>
+<p class="apache">Apache HTTP Server Version 2.0</p>
+<img alt="" src="./images/feather.gif" /></div>
+<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="./images/left.gif" /></a></div>
+<div id="path">
+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="./">Version 2.0</a></div><div id="page-content"><div id="preamble"><h1>Overview of new features in Apache 2.0</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="./de/new_features_2_0.html" hreflang="de" rel="alternate" title="Deutsch">&nbsp;de&nbsp;</a> |
+<a href="./en/new_features_2_0.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="./es/new_features_2_0.html" hreflang="es" rel="alternate" title="Español">&nbsp;es&nbsp;</a> |
+<a href="./fr/new_features_2_0.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
+<a href="./ja/new_features_2_0.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
+<a href="./ko/new_features_2_0.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a> |
+<a href="./ru/new_features_2_0.html" hreflang="ru" rel="alternate" title="Russian">&nbsp;ru&nbsp;</a> |
+<a href="./tr/new_features_2_0.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
+</div>
+
+ <p>This document describes some of the major changes between the
+ 1.3 and 2.0 versions of the Apache HTTP Server.</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="#module">Module Enhancements</a></li>
+</ul><h3>See also</h3><ul class="seealso"><li><a href="upgrading.html">Upgrading to 2.0 from 1.3</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></h2>
+
+
+ <dl>
+ <dt>Unix Threading</dt>
+
+ <dd>On Unix systems with POSIX threads support, Apache can
+ now run in a hybrid multiprocess, multithreaded mode. This
+ improves scalability for many, but not all configurations.</dd>
+
+ <dt>New Build System</dt>
+
+ <dd>The build system has been rewritten from scratch to be
+ based on <code>autoconf</code> and <code>libtool</code>.
+ This makes Apache's configuration system more similar to
+ that of other packages.</dd>
+
+ <dt>Multiprotocol Support</dt>
+
+ <dd>Apache now has some of the infrastructure in place to
+ support serving multiple protocols. <code class="module"><a href="./mod/mod_echo.html">mod_echo</a></code> has
+ been written as an example.</dd>
+
+ <dt>Better support for non-Unix
+ platforms</dt>
+
+ <dd>Apache 2.0 is faster and more stable on non-Unix
+ platforms such as BeOS, OS/2, and Windows. With the
+ introduction of platform-specific <a href="mpm.html">multi-processing modules</a> (MPMs) and the
+ Apache Portable Runtime (APR), these platforms are now
+ implemented in their native API, avoiding the often buggy and
+ poorly performing POSIX-emulation layers.</dd>
+
+ <dt>New Apache API</dt>
+
+ <dd>The API for modules has changed significantly for 2.0.
+ Many of the module-ordering/-priority problems from 1.3 should
+ be gone. 2.0 does much of this automatically, and module ordering
+ is now done per-hook to allow more flexibility. Also, new calls
+ have been added that provide additional module capabilities
+ without patching the core Apache server.</dd>
+
+ <dt>IPv6 Support</dt>
+
+ <dd>On systems where IPv6 is supported by the underlying
+ Apache Portable Runtime library, Apache gets IPv6 listening
+ 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
+ IPv6 numeric address strings (e.g., "<code>Listen
+ [2001:db8::1]:8080</code>").</dd>
+
+ <dt>Filtering</dt>
+
+ <dd>Apache modules may now be written as filters which act on
+ the stream of content as it is delivered to or from the
+ server. This allows, for example, the output of CGI scripts to
+ be parsed for Server Side Include directives using the
+ <code>INCLUDES</code> filter in <code class="module"><a href="./mod/mod_include.html">mod_include</a></code>. The
+ module <code class="module"><a href="./mod/mod_ext_filter.html">mod_ext_filter</a></code> allows external programs to
+ act as filters in much the same way that CGI programs can act as
+ handlers.</dd>
+
+ <dt>Multilanguage Error Responses</dt>
+
+ <dd>Error response messages to the browser are now provided in
+ several languages, using SSI documents. They may be customized
+ by the administrator to achieve a consistent look and feel.</dd>
+
+ <dt>Simplified configuration</dt>
+
+ <dd>Many confusing directives have been simplified. The often
+ confusing <code>Port</code> and <code>BindAddress</code> directives
+ are gone; only the <code class="directive"><a href="./mod/mpm_common.html#listen">Listen</a></code>
+ directive is used for IP address binding; the <code class="directive"><a href="./mod/core.html#servername">ServerName</a></code> directive specifies the
+ server name and port number only for redirection and vhost
+ recognition.</dd>
+
+ <dt>Native Windows NT Unicode Support</dt>
+
+ <dd>Apache 2.0 on Windows NT now uses utf-8 for all filename
+ encodings. These directly translate to the underlying Unicode
+ file system, providing multilanguage support for all Windows
+ NT-based installations, including Windows 2000 and Windows XP.
+ <em>This support does not extend to Windows 95, 98 or ME, which
+ continue to use the machine's local codepage for filesystem
+ access.</em></dd>
+
+ <dt>Regular Expression Library Updated</dt>
+
+ <dd>Apache 2.0 includes the <a href="http://www.pcre.org/">Perl
+ Compatible Regular Expression Library</a> (PCRE). All regular
+ expression evaluation now uses the more powerful Perl 5
+ syntax.</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></h2>
+
+
+ <dl>
+ <dt><code class="module"><a href="./mod/mod_ssl.html">mod_ssl</a></code></dt>
+
+ <dd>New module in Apache 2.0. This module is an interface
+ to the SSL/TLS encryption protocols provided by
+ OpenSSL.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_dav.html">mod_dav</a></code></dt>
+
+ <dd>New module in Apache 2.0. This module implements the HTTP
+ Distributed Authoring and Versioning (DAV) specification for
+ posting and maintaining web content.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_deflate.html">mod_deflate</a></code></dt>
+
+ <dd>New module in Apache 2.0. This module allows supporting
+ browsers to request that content be compressed before delivery,
+ saving network bandwidth.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_auth_ldap.html">mod_auth_ldap</a></code></dt>
+
+ <dd>New module in Apache 2.0.41. This module allows an LDAP
+ database to be used to store credentials for HTTP Basic
+ Authentication. A companion module, <code class="module"><a href="./mod/mod_ldap.html">mod_ldap</a></code>
+ provides connection pooling and results caching.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_auth_digest.html">mod_auth_digest</a></code></dt>
+
+ <dd>Includes additional support for session caching across
+ processes using shared memory.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_charset_lite.html">mod_charset_lite</a></code></dt>
+
+ <dd>New module in Apache 2.0. This experimental module allows
+ for character set translation or recoding.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_file_cache.html">mod_file_cache</a></code></dt>
+
+ <dd>New module in Apache 2.0. This module includes the
+ functionality of <code>mod_mmap_static</code> in Apache 1.3,
+ plus adds further caching abilities.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_headers.html">mod_headers</a></code></dt>
+
+ <dd>This module is much more flexible in Apache 2.0. It can now
+ modify request headers used by <code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code>, and
+ it can conditionally set response headers.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_proxy.html">mod_proxy</a></code></dt>
+
+ <dd>The proxy module has been completely rewritten to take
+ advantage of the new filter infrastructure and to implement a
+ more reliable, HTTP/1.1 compliant proxy. In addition, new
+ <code class="directive"><a href="./mod/mod_proxy.html#proxy">&lt;Proxy&gt;</a></code>
+ configuration sections provide more readable (and internally
+ faster) control of proxied sites; overloaded <code>&lt;Directory
+ "proxy:..."&gt;</code> configuration are not supported. The module
+ is now divided into specific protocol support modules including
+ <code>proxy_connect</code>, <code>proxy_ftp</code> and
+ <code>proxy_http</code>.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_negotiation.html">mod_negotiation</a></code></dt>
+
+ <dd>A new <code class="directive"><a href="./mod/mod_negotiation.html#forcelanguagepriority">ForceLanguagePriority</a></code> directive can be used to assure that
+ the client receives a single document in all cases, rather than
+ NOT ACCEPTABLE or MULTIPLE CHOICES responses. In addition, the
+ negotiation and MultiViews algorithms have been cleaned up to
+ provide more consistent results and a new form of type map that
+ can include document content is provided.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_autoindex.html">mod_autoindex</a></code></dt>
+
+ <dd>Autoindex'ed directory listings can now be configured to
+ use HTML tables for cleaner formatting, and allow finer-grained
+ control of sorting, including version-sorting, and wildcard
+ filtering of the directory listing.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_include.html">mod_include</a></code></dt>
+
+ <dd>New directives allow the default start and end tags for SSI elements
+ to be changed and allow for error and time format configuration
+ to take place in the main configuration file rather than in the
+ SSI document. Results from regular expression parsing and grouping
+ (now based on Perl's regular expression syntax) can be retrieved
+ using <code class="module"><a href="./mod/mod_include.html">mod_include</a></code>'s variables <code>$0</code>
+ .. <code>$9</code>.</dd>
+
+ <dt><code class="module"><a href="./mod/mod_auth_dbm.html">mod_auth_dbm</a></code></dt>
+
+ <dd>Now supports multiple types of DBM-like databases using the
+ <code class="directive"><a href="./mod/mod_auth_dbm.html#authdbmtype">AuthDBMType</a></code>
+ directive.</dd>
+
+ </dl>
+ </div></div>
+<div class="bottomlang">
+<p><span>Available Languages: </span><a href="./de/new_features_2_0.html" hreflang="de" rel="alternate" title="Deutsch">&nbsp;de&nbsp;</a> |
+<a href="./en/new_features_2_0.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="./es/new_features_2_0.html" hreflang="es" rel="alternate" title="Español">&nbsp;es&nbsp;</a> |
+<a href="./fr/new_features_2_0.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
+<a href="./ja/new_features_2_0.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
+<a href="./ko/new_features_2_0.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a> |
+<a href="./ru/new_features_2_0.html" hreflang="ru" rel="alternate" title="Russian">&nbsp;ru&nbsp;</a> |
+<a href="./tr/new_features_2_0.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
+</div><div id="footer">
+<p class="apache">Copyright 2009 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/directives.html">Directives</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p></div>
+</body></html> \ No newline at end of file