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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
commit | fe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch) | |
tree | b80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /docs/manual/mod/mod_remoteip.html.en | |
parent | Initial commit. (diff) | |
download | apache2-upstream.tar.xz apache2-upstream.zip |
Adding upstream version 2.4.56.upstream/2.4.56upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/mod/mod_remoteip.html.en')
-rw-r--r-- | docs/manual/mod/mod_remoteip.html.en | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_remoteip.html.en b/docs/manual/mod/mod_remoteip.html.en new file mode 100644 index 0000000..cb6cc34 --- /dev/null +++ b/docs/manual/mod/mod_remoteip.html.en @@ -0,0 +1,378 @@ +<?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" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_remoteip - Apache HTTP Server Version 2.4</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> +<div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.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 2.4</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 2.4</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_remoteip</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_remoteip.html" title="English"> en </a> | +<a href="../fr/mod/mod_remoteip.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Replaces the original client IP address for the connection +with the useragent IP address list presented by a proxies or a load balancer +via the request headers. +</td></tr> +<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>remoteip_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_remoteip.c</td></tr></table> +<h3>Summary</h3> + + <p>This module is used to treat the useragent which initiated the + request as the originating useragent as identified by httpd for the + purposes of authorization and logging, even where that useragent is + behind a load balancer, front end server, or proxy server.</p> + + <p>The module overrides the client IP address for the connection + with the useragent IP address reported in the request header configured + with the <code class="directive"><a href="#remoteipheader">RemoteIPHeader</a></code> directive.</p> + + <p>Additionally, this module implements the server side of + HAProxy's + <a href="http://blog.haproxy.com/haproxy/proxy-protocol/">PROXY Protocol</a> when + using the <code class="directive"><a href="#remoteipproxyprotocol">RemoteIPProxyProtocol</a></code> + directive.</p> + + <p>Once replaced as instructed, this overridden useragent IP address is + then used for the <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code> + <code class="directive"><a href="../mod/mod_authz_core.html#require">Require ip</a></code> + feature, is reported by <code class="module"><a href="../mod/mod_status.html">mod_status</a></code>, and is recorded by + <code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code> <code>%a</code> and <code class="module"><a href="../mod/core.html">core</a></code> + <code>%a</code> format strings. The underlying client IP of the connection + is available in the <code>%{c}a</code> format string.</p> + + <div class="warning">It is critical to only enable this behavior from + intermediate hosts (proxies, etc) which are trusted by this server, since + it is trivial for the remote useragent to impersonate another + useragent.</div> +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3> +<ul id="topics"> +<li><img alt="" src="../images/down.gif" /> <a href="#processing">Remote IP Processing</a></li> +</ul><h3 class="directives">Directives</h3> +<ul id="toc"> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteipheader">RemoteIPHeader</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteipinternalproxylist">RemoteIPInternalProxyList</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteipproxiesheader">RemoteIPProxiesHeader</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteipproxyprotocol">RemoteIPProxyProtocol</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteipproxyprotocolexceptions">RemoteIPProxyProtocolExceptions</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteiptrustedproxy">RemoteIPTrustedProxy</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#remoteiptrustedproxylist">RemoteIPTrustedProxyList</a></li> +</ul> +<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_remoteip">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_remoteip">Report a bug</a></li></ul><h3>See also</h3> +<ul class="seealso"> +<li><code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code></li> +<li><code class="module"><a href="../mod/mod_status.html">mod_status</a></code></li> +<li><code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code></li> +<li><a href="http://www.haproxy.org/download/1.8/doc/proxy-protocol.txt">Proxy Protocol Spec</a></li> +<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="processing" id="processing">Remote IP Processing</a></h2> + + <p>Apache by default identifies the useragent with the connection's + client_ip value, and the connection remote_host and remote_logname are + derived from this value. These fields play a role in authentication, + authorization and logging and other purposes by other loadable + modules.</p> + + <p>mod_remoteip overrides the client IP of the connection with the + advertised useragent IP as provided by a proxy or load balancer, for + the duration of the request. A load balancer might establish a long + lived keepalive connection with the server, and each request will + have the correct useragent IP, even though the underlying client IP + address of the load balancer remains unchanged.</p> + + <p>When multiple, comma delimited useragent IP addresses are listed in the + header value, they are processed in Right-to-Left order. Processing + halts when a given useragent IP address is not trusted to present the + preceding IP address. The header field is updated to this remaining + list of unconfirmed IP addresses, or if all IP addresses were trusted, + this header is removed from the request altogether.</p> + + <p>In overriding the client IP, the module stores the list of intermediate + hosts in a remoteip-proxy-ip-list note, which <code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code> + can record using the <code>%{remoteip-proxy-ip-list}n</code> format token. + If the administrator needs to store this as an additional header, this + same value can also be recording as a header using the directive + <code class="directive"><a href="#remoteipproxiesheader">RemoteIPProxiesHeader</a></code>.</p> + + <div class="note"><h3>IPv4-over-IPv6 Mapped Addresses</h3> + As with httpd in general, any IPv4-over-IPv6 mapped addresses are recorded + in their IPv4 representation.</div> + + <div class="note"><h3>Internal (Private) Addresses</h3> + All internal addresses 10/8, 172.16/12, 192.168/16, 169.254/16 and 127/8 + blocks (and IPv6 addresses outside of the public 2000::/3 block) are only + evaluated by mod_remoteip when <code class="directive"><a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></code> + internal (intranet) proxies are registered.</div> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPHeader" id="RemoteIPHeader">RemoteIPHeader</a> <a name="remoteipheader" id="remoteipheader">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Declare the header field which should be parsed for useragent IP addresses</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPHeader <var>header-field</var></code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +</table> + <p>The <code class="directive"><a href="#remoteipheader">RemoteIPHeader</a></code> directive triggers + <code class="module"><a href="../mod/mod_remoteip.html">mod_remoteip</a></code> to treat the value of the specified + <var>header-field</var> header as the useragent IP address, or list + of intermediate useragent IP addresses, subject to further configuration + of the <code class="directive"><a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></code> and + <code class="directive"><a href="#remoteiptrustedproxy">RemoteIPTrustedProxy</a></code> directives. Unless these + other directives are used, <code class="module"><a href="../mod/mod_remoteip.html">mod_remoteip</a></code> will trust all + hosts presenting a <code class="directive"><a href="#remoteipheader">RemoteIPHeader</a></code> IP value.</p> + + <div class="example"><h3>Internal (Load Balancer) Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Client-IP</pre> +</div> + + <div class="example"><h3>Proxy Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Forwarded-For</pre> +</div> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPInternalProxy" id="RemoteIPInternalProxy">RemoteIPInternalProxy</a> <a name="remoteipinternalproxy" id="remoteipinternalproxy">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Declare client intranet IP addresses trusted to present the RemoteIPHeader value</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPInternalProxy <var>proxy-ip</var>|<var>proxy-ip/subnet</var>|<var>hostname</var> ...</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +</table> + <p>The <code class="directive"><a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></code> directive adds one + or more addresses (or address blocks) to trust as presenting a valid + RemoteIPHeader value of the useragent IP. Unlike the + <code class="directive"><a href="#remoteiptrustedproxy">RemoteIPTrustedProxy</a></code> directive, any IP address + presented in this header, including private intranet addresses, are + trusted when passed from these proxies.</p> + + <div class="example"><h3>Internal (Load Balancer) Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Client-IP +RemoteIPInternalProxy 10.0.2.0/24 +RemoteIPInternalProxy gateway.localdomain</pre> +</div> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPInternalProxyList" id="RemoteIPInternalProxyList">RemoteIPInternalProxyList</a> <a name="remoteipinternalproxylist" id="remoteipinternalproxylist">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Declare client intranet IP addresses trusted to present the RemoteIPHeader value</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPInternalProxyList <var>filename</var></code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +</table> + <p>The <code class="directive"><a href="#remoteipinternalproxylist">RemoteIPInternalProxyList</a></code> directive specifies + a file parsed at startup, and builds a list of addresses (or address blocks) + to trust as presenting a valid RemoteIPHeader value of the useragent IP.</p> + + <p>The '<code>#</code>' hash character designates a comment line, otherwise + each whitespace or newline separated entry is processed identically to + the <code class="directive"><a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></code> directive.</p> + + <div class="example"><h3>Internal (Load Balancer) Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Client-IP +RemoteIPInternalProxyList conf/trusted-proxies.lst</pre> +</div> + + <div class="example"><h3>conf/trusted-proxies.lst contents</h3><pre># Our internally trusted proxies; +10.0.2.0/24 #Everyone in the testing group +gateway.localdomain #The front end balancer</pre></div> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPProxiesHeader" id="RemoteIPProxiesHeader">RemoteIPProxiesHeader</a> <a name="remoteipproxiesheader" id="remoteipproxiesheader">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Declare the header field which will record all intermediate IP addresses</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPProxiesHeader <var>HeaderFieldName</var></code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +</table> + <p>The <code class="directive"><a href="#remoteipproxiesheader">RemoteIPProxiesHeader</a></code> directive specifies + a header into which <code class="module"><a href="../mod/mod_remoteip.html">mod_remoteip</a></code> will collect a list of + all of the intermediate client IP addresses trusted to resolve the useragent + IP of the request. Note that intermediate + <code class="directive"><a href="#remoteiptrustedproxy">RemoteIPTrustedProxy</a></code> addresses are recorded in + this header, while any intermediate + <code class="directive"><a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></code> addresses are discarded.</p> + + <div class="example"><h3>Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Forwarded-For +RemoteIPProxiesHeader X-Forwarded-By</pre> +</div> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPProxyProtocol" id="RemoteIPProxyProtocol">RemoteIPProxyProtocol</a> <a name="remoteipproxyprotocol" id="remoteipproxyprotocol">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enable or disable PROXY protocol handling</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPProxyProtocol On|Off</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>RemoteIPProxyProtocol is only available in httpd 2.4.31 and newer</td></tr> +</table> + <p>The <code class="directive">RemoteIPProxyProtocol</code> directive enables or + disables the reading and handling of the PROXY protocol connection header. + If enabled with the <code>On</code> flag, the upstream client <em>must</em> + send the header every time it opens a connection or the connection will + be aborted unless it is in the list of disabled hosts provided by the + <code class="directive"><a href="#remoteipproxyprotocolexceptions">RemoteIPProxyProtocolExceptions</a></code> + directive.</p> + + <p>While this directive may be specified in any virtual host, it is + important to understand that because the PROXY protocol is connection + based and protocol agnostic, the enabling and disabling is actually based + on IP address and port. This means that if you have multiple name-based + virtual hosts for the same host and port, and you enable it for any one of + them, then it is enabled for all of them (with that host and port). It also + means that if you attempt to enable the PROXY protocol in one and disable + in the other, that won't work; in such a case, the last one wins and a + notice will be logged indicating which setting was being overridden.</p> + + <pre class="prettyprint lang-config">Listen 80 +<VirtualHost *:80> + ServerName www.example.com + RemoteIPProxyProtocol On + + #Requests to this virtual host must have a PROXY protocol + # header provided. If it is missing, the connection will + # be aborted +</VirtualHost> + +Listen 8080 +<VirtualHost *:8080> + ServerName www.example.com + RemoteIPProxyProtocol On + RemoteIPProxyProtocolExceptions 127.0.0.1 10.0.0.0/8 + + #Requests to this virtual host must have a PROXY protocol + # header provided. If it is missing, the connection will + # be aborted except when coming from localhost or the + # 10.x.x.x RFC1918 range +</VirtualHost></pre> + + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPProxyProtocolExceptions" id="RemoteIPProxyProtocolExceptions">RemoteIPProxyProtocolExceptions</a> <a name="remoteipproxyprotocolexceptions" id="remoteipproxyprotocolexceptions">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Disable processing of PROXY header for certain hosts or networks</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPProxyProtocolExceptions host|range [host|range] [host|range]</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>RemoteIPProxyProtocolExceptions is only available in httpd 2.4.31 and newer</td></tr> +</table> + <p>The <code class="directive">RemoteIPProxyProtocol</code> directive enables or + disables the reading and handling of the PROXY protocol connection header. + Sometimes it is desirable to require clients to provide the PROXY header, but + permit other clients to connect without it. This directive allows a server + administrator to configure a single host or CIDR range of hosts that may do + so. This is generally useful for monitoring and administrative traffic to a + virtual host direct to the server behind the upstream load balancer.</p> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPTrustedProxy" id="RemoteIPTrustedProxy">RemoteIPTrustedProxy</a> <a name="remoteiptrustedproxy" id="remoteiptrustedproxy">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Declare client intranet IP addresses trusted to present the RemoteIPHeader value</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPTrustedProxy <var>proxy-ip</var>|<var>proxy-ip/subnet</var>|<var>hostname</var> ...</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +</table> + <p>The <code class="directive"><a href="#remoteiptrustedproxy">RemoteIPTrustedProxy</a></code> directive adds one + or more addresses (or address blocks) to trust as presenting a valid + RemoteIPHeader value of the useragent IP. Unlike the + <code class="directive"><a href="#remoteipinternalproxy">RemoteIPInternalProxy</a></code> directive, any intranet + or private IP address reported by such proxies, including the 10/8, 172.16/12, + 192.168/16, 169.254/16 and 127/8 blocks (or outside of the IPv6 public + 2000::/3 block) are not trusted as the useragent IP, and are left in the + <code class="directive"><a href="#remoteipheader">RemoteIPHeader</a></code> header's value.</p> + + <div class="example"><h3>Trusted (Load Balancer) Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Forwarded-For +RemoteIPTrustedProxy 10.0.2.16/28 +RemoteIPTrustedProxy proxy.example.com</pre> +</div> + +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RemoteIPTrustedProxyList" id="RemoteIPTrustedProxyList">RemoteIPTrustedProxyList</a> <a name="remoteiptrustedproxylist" id="remoteiptrustedproxylist">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Declare client intranet IP addresses trusted to present the RemoteIPHeader value</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RemoteIPTrustedProxyList <var>filename</var></code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_remoteip</td></tr> +</table> + <p>The <code class="directive"><a href="#remoteiptrustedproxylist">RemoteIPTrustedProxyList</a></code> directive specifies + a file parsed at startup, and builds a list of addresses (or address blocks) + to trust as presenting a valid RemoteIPHeader value of the useragent IP.</p> + + <p>The '<code>#</code>' hash character designates a comment line, otherwise + each whitespace or newline separated entry is processed identically to + the <code class="directive"><a href="#remoteiptrustedproxy">RemoteIPTrustedProxy</a></code> directive.</p> + + <div class="example"><h3>Trusted (Load Balancer) Example</h3><pre class="prettyprint lang-config">RemoteIPHeader X-Forwarded-For +RemoteIPTrustedProxyList conf/trusted-proxies.lst</pre> +</div> + + <div class="example"><h3>conf/trusted-proxies.lst contents</h3><p><code> + # Identified external proxies;<br /> + 192.0.2.16/28 #wap phone group of proxies<br /> + proxy.isp.example.com #some well known ISP + </code></p></div> + +</div> +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_remoteip.html" title="English"> en </a> | +<a href="../fr/mod/mod_remoteip.html" hreflang="fr" rel="alternate" title="Français"> fr </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. 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