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"http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>Ejabberd 2.1.x Developers Guide
<TITLE>Ejabberd 2.1.7 Developers Guide
</TITLE>
<META http-equiv="Content-Type" content="text/html; charset=US-ASCII">
@ -49,7 +49,7 @@ TD P{margin:0px;}
<!--HEVEA command line is: /usr/bin/hevea -fix -pedantic dev.tex -->
<!--CUT DEF section 1 --><P><A NAME="titlepage"></A>
</P><TABLE CLASS="title"><TR><TD><H1 CLASS="titlemain">Ejabberd 2.1.x Developers Guide</H1><H3 CLASS="titlerest">Alexey Shchepin<BR>
</P><TABLE CLASS="title"><TR><TD><H1 CLASS="titlemain">Ejabberd 2.1.7 Developers Guide</H1><H3 CLASS="titlerest">Alexey Shchepin<BR>
<A HREF="mailto:alexey@sevcom.net"><TT>mailto:alexey@sevcom.net</TT></A><BR>
<A HREF="xmpp:aleksey@jabber.ru"><TT>xmpp:aleksey@jabber.ru</TT></A></H3></TD></TR>
</TABLE><DIV CLASS="center">
@ -170,7 +170,7 @@ manager.</P><!--TOC subsection Local Router-->
name. If destination JID has a non-empty user part, then it routed to the
session manager, else it is processed depending on it&#X2019;s content.</P><!--TOC subsection Session Manager-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc6">3.3</A>&#XA0;&#XA0;Session Manager</H3><!--SEC END --><P>This module routes packets to local users. It searches for what user resource
packet must be sended via presence table. If this resource is connected to
packet must be sent via presence table. If this resource is connected to
this node, it is routed to C2S process, if it connected via another node, then
the packet is sent to session manager on that node.</P><!--TOC subsection S2S Manager-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc7">3.4</A>&#XA0;&#XA0;S2S Manager</H3><!--SEC END --><P>This module routes packets to other XMPP servers. First, it checks if an

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"http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>Ejabberd 2.1.x Feature Sheet
<TITLE>Ejabberd 2.1.7 Feature Sheet
</TITLE>
<META http-equiv="Content-Type" content="text/html; charset=US-ASCII">
@ -50,7 +50,7 @@ SPAN{width:20%; float:right; text-align:left; margin-left:auto;}
<!--HEVEA command line is: /usr/bin/hevea -fix -pedantic features.tex -->
<!--CUT DEF section 1 --><P><A NAME="titlepage"></A>
</P><TABLE CLASS="title"><TR><TD><H1 CLASS="titlemain">Ejabberd 2.1.x Feature Sheet</H1><H3 CLASS="titlerest">Sander Devrieze<BR>
</P><TABLE CLASS="title"><TR><TD><H1 CLASS="titlemain">Ejabberd 2.1.7 Feature Sheet</H1><H3 CLASS="titlerest">Sander Devrieze<BR>
<A HREF="mailto:s.devrieze@pandora.be"><TT>mailto:s.devrieze@pandora.be</TT></A><BR>
<A HREF="xmpp:sander@devrieze.dyndns.org"><TT>xmpp:sander@devrieze.dyndns.org</TT></A></H3></TD></TR>
</TABLE><DIV CLASS="center">

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@ -6,7 +6,7 @@
ejabberd 2.1.x
ejabberd 2.1.7
Installation and Operation Guide
@ -76,7 +76,7 @@ BLOCKQUOTE.figure DIV.center DIV.center HR{display:none;}
<HR SIZE=2><BR>
<BR>
<TABLE CELLSPACING=6 CELLPADDING=0><TR><TD ALIGN=right NOWRAP> <FONT SIZE=6><B>ejabberd 2.1.x </B></FONT></TD></TR>
<TABLE CELLSPACING=6 CELLPADDING=0><TR><TD ALIGN=right NOWRAP> <FONT SIZE=6><B>ejabberd 2.1.7 </B></FONT></TD></TR>
<TR><TD ALIGN=right NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=right NOWRAP> <FONT SIZE=6>Installation and Operation Guide</FONT></TD></TR>
</TABLE><BR>
@ -151,76 +151,77 @@ BLOCKQUOTE.figure DIV.center DIV.center HR{display:none;}
</LI><LI CLASS="li-toc"><A HREF="#htoc49">3.3.11&#XA0;&#XA0;<TT>mod_muc_log</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc50">3.3.12&#XA0;&#XA0;<TT>mod_offline</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc51">3.3.13&#XA0;&#XA0;<TT>mod_ping</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc52">3.3.14&#XA0;&#XA0;<TT>mod_privacy</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc53">3.3.15&#XA0;&#XA0;<TT>mod_private</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc54">3.3.16&#XA0;&#XA0;<TT>mod_proxy65</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc55">3.3.17&#XA0;&#XA0;<TT>mod_pubsub</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc56">3.3.18&#XA0;&#XA0;<TT>mod_register</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc57">3.3.19&#XA0;&#XA0;<TT>mod_register_web</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc58">3.3.20&#XA0;&#XA0;<TT>mod_roster</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc59">3.3.21&#XA0;&#XA0;<TT>mod_service_log</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc60">3.3.22&#XA0;&#XA0;<TT>mod_shared_roster</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc61">3.3.23&#XA0;&#XA0;<TT>mod_shared_roster_ldap</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc62">3.3.24&#XA0;&#XA0;<TT>mod_sic</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc63">3.3.25&#XA0;&#XA0;<TT>mod_stats</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc64">3.3.26&#XA0;&#XA0;<TT>mod_time</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc65">3.3.27&#XA0;&#XA0;<TT>mod_vcard</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc66">3.3.28&#XA0;&#XA0;<TT>mod_vcard_ldap</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc67">3.3.29&#XA0;&#XA0;<TT>mod_vcard_xupdate</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc68">3.3.30&#XA0;&#XA0;<TT>mod_version</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc52">3.3.14&#XA0;&#XA0;<TT>mod_pres_counter</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc53">3.3.15&#XA0;&#XA0;<TT>mod_privacy</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc54">3.3.16&#XA0;&#XA0;<TT>mod_private</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc55">3.3.17&#XA0;&#XA0;<TT>mod_proxy65</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc56">3.3.18&#XA0;&#XA0;<TT>mod_pubsub</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc57">3.3.19&#XA0;&#XA0;<TT>mod_register</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc58">3.3.20&#XA0;&#XA0;<TT>mod_register_web</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc59">3.3.21&#XA0;&#XA0;<TT>mod_roster</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc60">3.3.22&#XA0;&#XA0;<TT>mod_service_log</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc61">3.3.23&#XA0;&#XA0;<TT>mod_shared_roster</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc62">3.3.24&#XA0;&#XA0;<TT>mod_shared_roster_ldap</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc63">3.3.25&#XA0;&#XA0;<TT>mod_sic</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc64">3.3.26&#XA0;&#XA0;<TT>mod_stats</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc65">3.3.27&#XA0;&#XA0;<TT>mod_time</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc66">3.3.28&#XA0;&#XA0;<TT>mod_vcard</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc67">3.3.29&#XA0;&#XA0;<TT>mod_vcard_ldap</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc68">3.3.30&#XA0;&#XA0;<TT>mod_vcard_xupdate</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc69">3.3.31&#XA0;&#XA0;<TT>mod_version</TT></A>
</LI></UL>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc69">Chapter&#XA0;4&#XA0;&#XA0;Managing an <TT>ejabberd</TT> Server</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc70">Chapter&#XA0;4&#XA0;&#XA0;Managing an <TT>ejabberd</TT> Server</A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc70">4.1&#XA0;&#XA0;<TT>ejabberdctl</TT></A>
<A HREF="#htoc71">4.1&#XA0;&#XA0;<TT>ejabberdctl</TT></A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc71">4.1.1&#XA0;&#XA0;ejabberdctl Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc72">4.1.2&#XA0;&#XA0;Erlang Runtime System</A>
<A HREF="#htoc72">4.1.1&#XA0;&#XA0;ejabberdctl Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc73">4.1.2&#XA0;&#XA0;Erlang Runtime System</A>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc73">4.2&#XA0;&#XA0;<TT>ejabberd</TT> Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc74">4.2&#XA0;&#XA0;<TT>ejabberd</TT> Commands</A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc74">4.2.1&#XA0;&#XA0;List of ejabberd Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc75">4.2.2&#XA0;&#XA0;Restrict Execution with AccessCommands</A>
<A HREF="#htoc75">4.2.1&#XA0;&#XA0;List of ejabberd Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc76">4.2.2&#XA0;&#XA0;Restrict Execution with AccessCommands</A>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc76">4.3&#XA0;&#XA0;Web Admin</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc77">4.4&#XA0;&#XA0;Ad-hoc Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc78">4.5&#XA0;&#XA0;Change Computer Hostname</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc77">4.3&#XA0;&#XA0;Web Admin</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc78">4.4&#XA0;&#XA0;Ad-hoc Commands</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc79">4.5&#XA0;&#XA0;Change Computer Hostname</A>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc79">Chapter&#XA0;5&#XA0;&#XA0;Securing <TT>ejabberd</TT></A>
</LI><LI CLASS="li-toc"><A HREF="#htoc80">Chapter&#XA0;5&#XA0;&#XA0;Securing <TT>ejabberd</TT></A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc80">5.1&#XA0;&#XA0;Firewall Settings</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc81">5.2&#XA0;&#XA0;epmd</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc82">5.3&#XA0;&#XA0;Erlang Cookie</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc83">5.4&#XA0;&#XA0;Erlang Node Name</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc84">5.5&#XA0;&#XA0;Securing Sensitive Files</A>
<A HREF="#htoc81">5.1&#XA0;&#XA0;Firewall Settings</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc82">5.2&#XA0;&#XA0;epmd</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc83">5.3&#XA0;&#XA0;Erlang Cookie</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc84">5.4&#XA0;&#XA0;Erlang Node Name</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc85">5.5&#XA0;&#XA0;Securing Sensitive Files</A>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc85">Chapter&#XA0;6&#XA0;&#XA0;Clustering</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc86">Chapter&#XA0;6&#XA0;&#XA0;Clustering</A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc86">6.1&#XA0;&#XA0;How it Works</A>
<A HREF="#htoc87">6.1&#XA0;&#XA0;How it Works</A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc87">6.1.1&#XA0;&#XA0;Router</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc88">6.1.2&#XA0;&#XA0;Local Router</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc89">6.1.3&#XA0;&#XA0;Session Manager</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc90">6.1.4&#XA0;&#XA0;s2s Manager</A>
<A HREF="#htoc88">6.1.1&#XA0;&#XA0;Router</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc89">6.1.2&#XA0;&#XA0;Local Router</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc90">6.1.3&#XA0;&#XA0;Session Manager</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc91">6.1.4&#XA0;&#XA0;s2s Manager</A>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc91">6.2&#XA0;&#XA0;Clustering Setup</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc92">6.3&#XA0;&#XA0;Service Load-Balancing</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc92">6.2&#XA0;&#XA0;Clustering Setup</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc93">6.3&#XA0;&#XA0;Service Load-Balancing</A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc93">6.3.1&#XA0;&#XA0;Components Load-Balancing</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc94">6.3.2&#XA0;&#XA0;Domain Load-Balancing Algorithm</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc95">6.3.3&#XA0;&#XA0;Load-Balancing Buckets</A>
<A HREF="#htoc94">6.3.1&#XA0;&#XA0;Components Load-Balancing</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc95">6.3.2&#XA0;&#XA0;Domain Load-Balancing Algorithm</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc96">6.3.3&#XA0;&#XA0;Load-Balancing Buckets</A>
</LI></UL>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc96">Chapter&#XA0;7&#XA0;&#XA0;Debugging</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc97">Chapter&#XA0;7&#XA0;&#XA0;Debugging</A>
<UL CLASS="toc"><LI CLASS="li-toc">
<A HREF="#htoc97">7.1&#XA0;&#XA0;Log Files</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc98">7.2&#XA0;&#XA0;Debug Console</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc99">7.3&#XA0;&#XA0;Watchdog Alerts</A>
<A HREF="#htoc98">7.1&#XA0;&#XA0;Log Files</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc99">7.2&#XA0;&#XA0;Debug Console</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc100">7.3&#XA0;&#XA0;Watchdog Alerts</A>
</LI></UL>
</LI><LI CLASS="li-toc"><A HREF="#htoc100">Appendix&#XA0;A&#XA0;&#XA0;Internationalization and Localization</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc101">Appendix&#XA0;B&#XA0;&#XA0;Release Notes</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc102">Appendix&#XA0;C&#XA0;&#XA0;Acknowledgements</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc103">Appendix&#XA0;D&#XA0;&#XA0;Copyright Information</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc101">Appendix&#XA0;A&#XA0;&#XA0;Internationalization and Localization</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc102">Appendix&#XA0;B&#XA0;&#XA0;Release Notes</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc103">Appendix&#XA0;C&#XA0;&#XA0;Acknowledgements</A>
</LI><LI CLASS="li-toc"><A HREF="#htoc104">Appendix&#XA0;D&#XA0;&#XA0;Copyright Information</A>
</LI></UL><!--TOC chapter Introduction-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc1">Chapter&#XA0;1</A>&#XA0;&#XA0;Introduction</H1><!--SEC END --><P>
<A NAME="intro"></A></P><P><TT>ejabberd</TT> is a free and open source instant messaging server written in <A HREF="http://www.erlang.org/">Erlang/OTP</A>.</P><P><TT>ejabberd</TT> is cross-platform, distributed, fault-tolerant, and based on open standards to achieve real-time communication.</P><P><TT>ejabberd</TT> is designed to be a rock-solid and feature rich XMPP server.</P><P><TT>ejabberd</TT> is suitable for small deployments, whether they need to be scalable or not, as well as extremely big deployments.</P><!--TOC section Key Features-->
@ -521,7 +522,7 @@ There are two ways to register a XMPP account:
<OL CLASS="enumerate" type=a><LI CLASS="li-enumerate">
Using <TT>ejabberdctl</TT> (see section&#XA0;<A HREF="#ejabberdctl">4.1</A>):
<PRE CLASS="verbatim">ejabberdctl register admin1 example.org FgT5bk3
</PRE></LI><LI CLASS="li-enumerate">Using a XMPP client and In-Band Registration (see section&#XA0;<A HREF="#modregister">3.3.18</A>).
</PRE></LI><LI CLASS="li-enumerate">Using a XMPP client and In-Band Registration (see section&#XA0;<A HREF="#modregister">3.3.19</A>).
</LI></OL>
</LI><LI CLASS="li-enumerate">Edit the <TT>ejabberd</TT> configuration file to give administration rights to the XMPP account you created:
<PRE CLASS="verbatim">{acl, admins, {user, "admin1", "example.org"}}.
@ -881,7 +882,7 @@ and also allows plain connections for old clients.
</LI><LI CLASS="li-itemize">Port 5269 listens for s2s connections with STARTTLS. The socket is set for IPv6 instead of IPv4.
</LI><LI CLASS="li-itemize">Port 3478 listens for STUN requests over UDP.
</LI><LI CLASS="li-itemize">Port 5280 listens for HTTP requests, and serves the HTTP Poll service.
</LI><LI CLASS="li-itemize">Port 5281 listens for HTTP requests, and serves the Web Admin using HTTPS as explained in
</LI><LI CLASS="li-itemize">Port 5281 listens for HTTP requests, using HTTPS to serve HTTP-Bind (BOSH) and the Web Admin as explained in
section&#XA0;<A HREF="#webadmin">4.3</A>. The socket only listens connections to the IP address 127.0.0.1.
</LI></UL><PRE CLASS="verbatim">{hosts, ["example.com", "example.org", "example.net"]}.
{listen,
@ -908,6 +909,7 @@ section&#XA0;<A HREF="#webadmin">4.3</A>. The socket only listens connections to
]},
{{5281, "127.0.0.1"}, ejabberd_http, [
web_admin,
http_bind,
tls, {certfile, "/etc/ejabberd/server.pem"},
]}
]
@ -1218,7 +1220,7 @@ matches <TT>Regexp</TT>. Example:
</PRE></DD><DT CLASS="dt-description"><B><TT>{node_regexp, UserRegexp, ServerRegexp}</TT></B></DT><DD CLASS="dd-description"> Matches any user
with a name that matches <TT>UserRegexp</TT> at any server that matches
<TT>ServerRegexp</TT>. Example:
<PRE CLASS="verbatim">{acl, yohzik, {node_regexp, "^yohzik$", "^example.(com|org)$"}}.
<PRE CLASS="verbatim">{acl, yozhik, {node_regexp, "^yozhik$", "^example.(com|org)$"}}.
</PRE></DD><DT CLASS="dt-description"><B><TT>{user_glob, Glob}</TT></B></DT><DD CLASS="dd-description">
</DD><DT CLASS="dt-description"><B><TT>{user_glob, Glob, Server}</TT></B></DT><DD CLASS="dd-description">
</DD><DT CLASS="dt-description"><B><TT>{server_glob, Glob}</TT></B></DT><DD CLASS="dd-description">
@ -1316,17 +1318,22 @@ using ImageMagick&#X2019;s Convert program.</P><P>The configurable options are:
<B><TT>{captcha_cmd, Path}</TT></B></DT><DD CLASS="dd-description">
Full path to a script that generates the image.
The default value is an empty string: <TT>""</TT>
</DD><DT CLASS="dt-description"><B><TT>{captcha_host, Host}</TT></B></DT><DD CLASS="dd-description">
Host part of the URL sent to the user.
You can include the port number.
The URL sent to the user is formed by: <TT>http://Host/captcha/</TT>
The default value is the first hostname configured.
</DD><DT CLASS="dt-description"><B><TT>{captcha_host, ProtocolHostPort}</TT></B></DT><DD CLASS="dd-description">
ProtocolHostPort is a string with the host, and optionally the Protocol and Port number.
It must identify where ejabberd listens for CAPTCHA requests.
The URL sent to the user is formed by: <TT>Protocol://Host:Port/captcha/</TT>
The default value is: protocol <TT>http</TT>, the first hostname configured, and port <TT>80</TT>.
If you specify a port number that does not match exactly an ejabberd listener
(because you are using a reverse proxy or other port-forwarding tool),
then you must specify the transfer protocol, as seen in the example below.
</DD></DL><P>Additionally, an <TT>ejabberd_http</TT> listener must be enabled with the <TT>captcha</TT> option.
See section <A HREF="#listened-module">3.1.3</A>.</P><P>Example configuration:
</P><PRE CLASS="verbatim">{hosts, ["example.org"]}.
{captcha_cmd, "/lib/ejabberd/priv/bin/captcha.sh"}.
{captcha_host, "example.org:5280"}.
%% {captcha_host, "https://example.org:443"}.
%% {captcha_host, "http://example.com"}.
{listen,
[
@ -1464,6 +1471,7 @@ different storage systems for modules, and so forth.</P><P>The following databas
<A HREF="http://www.microsoft.com/activedirectory/">Active Directory</A>
(see section&#XA0;<A HREF="#ad">3.2.5</A>)
</LI><LI CLASS="li-itemize"><A HREF="http://www.openldap.org/">OpenLDAP</A>
</LI><LI CLASS="li-itemize"><A HREF="http://www.communigate.com/">CommuniGate Pro</A>
</LI><LI CLASS="li-itemize">Normally any LDAP compatible server should work; inform us about your
success with a not-listed server so that we can list it here.
</LI></UL><P>Important note about virtual hosting:
@ -1908,6 +1916,7 @@ all entries end with a comma:
<TABLE BORDER=1 CELLSPACING=0 CELLPADDING=1><TR><TD ALIGN=left NOWRAP><B>Module</B></TD><TD ALIGN=left NOWRAP><B>Feature</B></TD><TD ALIGN=left NOWRAP><B>Dependencies</B></TD></TR>
<TR><TD ALIGN=left NOWRAP><TT>mod_adhoc</TT></TD><TD ALIGN=left NOWRAP>Ad-Hoc Commands (<A HREF="http://xmpp.org/extensions/xep-0050.html">XEP-0050</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modannounce"><TT>mod_announce</TT></A></TD><TD ALIGN=left NOWRAP>Manage announcements</TD><TD ALIGN=left NOWRAP>recommends <TT>mod_adhoc</TT></TD></TR>
<TR><TD ALIGN=left NOWRAP><TT>mod_blocking</TT></TD><TD ALIGN=left NOWRAP>Simple Communications Blocking (<A HREF="http://xmpp.org/extensions/xep-0191.html">XEP-0191</A>)</TD><TD ALIGN=left NOWRAP><TT>mod_privacy</TT></TD></TR>
<TR><TD ALIGN=left NOWRAP><TT>mod_caps</TT></TD><TD ALIGN=left NOWRAP>Entity Capabilities (<A HREF="http://xmpp.org/extensions/xep-0115.html">XEP-0115</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><TT>mod_configure</TT></TD><TD ALIGN=left NOWRAP>Server configuration using Ad-Hoc</TD><TD ALIGN=left NOWRAP><TT>mod_adhoc</TT></TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#moddisco"><TT>mod_disco</TT></A></TD><TD ALIGN=left NOWRAP>Service Discovery (<A HREF="http://xmpp.org/extensions/xep-0030.html">XEP-0030</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
@ -1922,8 +1931,9 @@ all entries end with a comma:
<TR><TD ALIGN=left NOWRAP><A HREF="#modoffline"><TT>mod_offline</TT></A></TD><TD ALIGN=left NOWRAP>Offline message storage (<A HREF="http://xmpp.org/extensions/xep-0160.html">XEP-0160</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modoffline"><TT>mod_offline_odbc</TT></A></TD><TD ALIGN=left NOWRAP>Offline message storage (<A HREF="http://xmpp.org/extensions/xep-0160.html">XEP-0160</A>)</TD><TD ALIGN=left NOWRAP>supported DB (*)</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modping"><TT>mod_ping</TT></A></TD><TD ALIGN=left NOWRAP>XMPP Ping and periodic keepalives (<A HREF="http://xmpp.org/extensions/xep-0199.html">XEP-0199</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprivacy"><TT>mod_privacy</TT></A></TD><TD ALIGN=left NOWRAP>Blocking Communication (XMPP IM)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprivacy"><TT>mod_privacy_odbc</TT></A></TD><TD ALIGN=left NOWRAP>Blocking Communication (XMPP IM)</TD><TD ALIGN=left NOWRAP>supported DB (*)</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprescounter"><TT>mod_privacy</TT></A></TD><TD ALIGN=left NOWRAP>Detect presence subscription flood</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprivacy"><TT>mod_privacy</TT></A></TD><TD ALIGN=left NOWRAP>Blocking Communication (<A HREF="http://xmpp.org/extensions/xep-0016.html">XEP-0016</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprivacy"><TT>mod_privacy_odbc</TT></A></TD><TD ALIGN=left NOWRAP>Blocking Communication (<A HREF="http://xmpp.org/extensions/xep-0016.html">XEP-0016</A>)</TD><TD ALIGN=left NOWRAP>supported DB (*)</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprivate"><TT>mod_private</TT></A></TD><TD ALIGN=left NOWRAP>Private XML Storage (<A HREF="http://xmpp.org/extensions/xep-0049.html">XEP-0049</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modprivate"><TT>mod_private_odbc</TT></A></TD><TD ALIGN=left NOWRAP>Private XML Storage (<A HREF="http://xmpp.org/extensions/xep-0049.html">XEP-0049</A>)</TD><TD ALIGN=left NOWRAP>supported DB (*)</TD></TR>
<TR><TD ALIGN=left NOWRAP><A HREF="#modproxy"><TT>mod_proxy65</TT></A></TD><TD ALIGN=left NOWRAP>SOCKS5 Bytestreams (<A HREF="http://xmpp.org/extensions/xep-0065.html">XEP-0065</A>)</TD><TD ALIGN=left NOWRAP>&nbsp;</TD></TR>
@ -1985,7 +1995,8 @@ these queries.</P><P>The syntax is:
</P><DL CLASS="description"><DT CLASS="dt-description"><B><TT>{iqdisc, Value}</TT></B></DT></DL><P>Possible <TT>Value</TT> are:
</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>no_queue</TT></B></DT><DD CLASS="dd-description"> All queries of a namespace with this processing discipline are
processed immediately. This also means that no other packets can be processed
processed directly. This means that the XMPP connection that sends this IQ query gets blocked:
no other packets can be processed
until this one has been completely processed. Hence this discipline is not
recommended if the processing of a query can take a relatively long time.
</DD><DT CLASS="dt-description"><B><TT>one_queue</TT></B></DT><DD CLASS="dd-description"> In this case a separate queue is created for the processing
@ -1993,7 +2004,7 @@ of IQ queries of a namespace with this discipline. In addition, the processing
of this queue is done in parallel with that of other packets. This discipline
is most recommended.
</DD><DT CLASS="dt-description"><B><TT>{queues, N}</TT></B></DT><DD CLASS="dd-description"> N separate queues are created to process the
queries. The queries are thus process in parallel, but in a
queries. The queries are thus processed in parallel, but in a
controlled way.
</DD><DT CLASS="dt-description"><B><TT>parallel</TT></B></DT><DD CLASS="dd-description"> For every packet with this discipline a separate Erlang process
is spawned. Consequently, all these packets are processed in parallel.
@ -2327,7 +2338,7 @@ to the IRC transport instead of the Multi-User Chat service.
to join a channel, and to set custom IRC username and encoding.
</LI><LI CLASS="li-itemize">When using a popular XMPP server, it can occur that no
connection can be achieved with some IRC servers because they limit the
number of conections from one IP.
number of connections from one IP.
</LI></UL><P>Options:
</P><DL CLASS="description"><DT CLASS="dt-description">
@ -2782,8 +2793,33 @@ and if a client does not answer to the ping in less than 32 seconds, its connect
{mod_ping, [{send_pings, true}, {ping_interval, 240}, {timeout_action, kill}]},
...
]}.
</PRE><P> <A NAME="modprescounter"></A> </P><!--TOC subsection <TT>mod_pres_counter</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc52">3.3.14</A>&#XA0;&#XA0;<A HREF="#modprescounter"><TT>mod_pres_counter</TT></A></H3><!--SEC END --><P> <A NAME="modprescounter"></A>
</P><P>This module detects flood/spam in presence subscription stanza traffic.
If a user sends or receives more of those stanzas in a time interval,
the exceeding stanzas are silently dropped, and warning is logged.</P><P>Configuration options:
</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>{count, StanzaNumber}</TT></B></DT><DD CLASS="dd-description">
The number of subscription presence stanzas
(subscribe, unsubscribe, subscribed, unsubscribed)
allowed for any direction (input or output)
per time interval.
Please note that two users subscribing to each other usually generate
4 stanzas, so the recommended value is 4 or more.
The default value is: 5.
</DD><DT CLASS="dt-description"><B><TT>{interval, Seconds}</TT></B></DT><DD CLASS="dd-description">
The time interval defined in seconds.
The default value is 60.
</DD></DL><P>This example enables the module, and allows up to 5 presence subscription stanzas
to be sent or received by the users in 60 seconds:
</P><PRE CLASS="verbatim">{modules,
[
...
{mod_pres_counter, [{count, 5}, {interval, 60}]},
...
]}.
</PRE><P> <A NAME="modprivacy"></A> </P><!--TOC subsection <TT>mod_privacy</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc52">3.3.14</A>&#XA0;&#XA0;<A HREF="#modprivacy"><TT>mod_privacy</TT></A></H3><!--SEC END --><P> <A NAME="modprivacy"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc53">3.3.15</A>&#XA0;&#XA0;<A HREF="#modprivacy"><TT>mod_privacy</TT></A></H3><!--SEC END --><P> <A NAME="modprivacy"></A>
</P><P>This module implements Blocking Communication (also known as Privacy Rules)
as defined in section 10 from XMPP IM. If end users have support for it in
their XMPP client, they will be able to:
@ -2811,7 +2847,7 @@ subscription type (or globally).
<B><TT>{iqdisc, Discipline}</TT></B></DT><DD CLASS="dd-description"> This specifies
the processing discipline for Blocking Communication (<TT>jabber:iq:privacy</TT>) IQ queries (see section&#XA0;<A HREF="#modiqdiscoption">3.3.2</A>).
</DD></DL><P> <A NAME="modprivate"></A> </P><!--TOC subsection <TT>mod_private</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc53">3.3.15</A>&#XA0;&#XA0;<A HREF="#modprivate"><TT>mod_private</TT></A></H3><!--SEC END --><P> <A NAME="modprivate"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc54">3.3.16</A>&#XA0;&#XA0;<A HREF="#modprivate"><TT>mod_private</TT></A></H3><!--SEC END --><P> <A NAME="modprivate"></A>
</P><P>This module adds support for Private XML Storage (<A HREF="http://xmpp.org/extensions/xep-0049.html">XEP-0049</A>):
</P><BLOCKQUOTE CLASS="quote">
Using this method, XMPP entities can store private data on the server and
@ -2823,7 +2859,7 @@ of client-specific preferences; another is Bookmark Storage (<A HREF="http://xmp
<B><TT>{iqdisc, Discipline}</TT></B></DT><DD CLASS="dd-description"> This specifies
the processing discipline for Private XML Storage (<TT>jabber:iq:private</TT>) IQ queries (see section&#XA0;<A HREF="#modiqdiscoption">3.3.2</A>).
</DD></DL><P> <A NAME="modproxy"></A> </P><!--TOC subsection <TT>mod_proxy65</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc54">3.3.16</A>&#XA0;&#XA0;<A HREF="#modproxy"><TT>mod_proxy65</TT></A></H3><!--SEC END --><P> <A NAME="modproxy"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc55">3.3.17</A>&#XA0;&#XA0;<A HREF="#modproxy"><TT>mod_proxy65</TT></A></H3><!--SEC END --><P> <A NAME="modproxy"></A>
</P><P>This module implements SOCKS5 Bytestreams (<A HREF="http://xmpp.org/extensions/xep-0065.html">XEP-0065</A>).
It allows <TT>ejabberd</TT> to act as a file transfer proxy between two
XMPP clients.</P><P>Options:
@ -2887,7 +2923,7 @@ The simpliest configuration of the module:
...
]}.
</PRE></LI></UL><P> <A NAME="modpubsub"></A> </P><!--TOC subsection <TT>mod_pubsub</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc55">3.3.17</A>&#XA0;&#XA0;<A HREF="#modpubsub"><TT>mod_pubsub</TT></A></H3><!--SEC END --><P> <A NAME="modpubsub"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc56">3.3.18</A>&#XA0;&#XA0;<A HREF="#modpubsub"><TT>mod_pubsub</TT></A></H3><!--SEC END --><P> <A NAME="modpubsub"></A>
</P><P>This module offers a Publish-Subscribe Service (<A HREF="http://xmpp.org/extensions/xep-0060.html">XEP-0060</A>).
The functionality in <TT>mod_pubsub</TT> can be extended using plugins.
The plugin that implements PEP (Personal Eventing via Pubsub) (<A HREF="http://xmpp.org/extensions/xep-0163.html">XEP-0163</A>)
@ -2965,7 +3001,7 @@ with ODBC usage:
...
]}.
</PRE><P> <A NAME="modregister"></A> </P><!--TOC subsection <TT>mod_register</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc56">3.3.18</A>&#XA0;&#XA0;<A HREF="#modregister"><TT>mod_register</TT></A></H3><!--SEC END --><P> <A NAME="modregister"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc57">3.3.19</A>&#XA0;&#XA0;<A HREF="#modregister"><TT>mod_register</TT></A></H3><!--SEC END --><P> <A NAME="modregister"></A>
</P><P>This module adds support for In-Band Registration (<A HREF="http://xmpp.org/extensions/xep-0077.html">XEP-0077</A>). This protocol
enables end users to use a XMPP client to:
</P><UL CLASS="itemize"><LI CLASS="li-itemize">
@ -2974,10 +3010,11 @@ Register a new account on the server.
</LI><LI CLASS="li-itemize">Delete an existing account on the server.
</LI></UL><P>Options:
</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>{access, AccessName}</TT></B></DT><DD CLASS="dd-description"> This option can be configured to specify
rules to restrict registration. If a rule returns &#X2018;deny&#X2019; on the requested
user name, registration for that user name is denied. (there are no
restrictions by default).
<B><TT>{access, AccessName}</TT></B></DT><DD CLASS="dd-description">
Specify rules to restrict what usernames can be registered and unregistered.
If a rule returns &#X2018;deny&#X2019; on the requested username,
registration and unregistration of that user name is denied.
There are no restrictions by default.
</DD><DT CLASS="dt-description"><B><TT>{access_from, AccessName}</TT></B></DT><DD CLASS="dd-description"> By default, <TT>ejabberd</TT>
doesn&#X2019;t allow to register new accounts from s2s or existing c2s sessions. You can
change it by defining access rule in this option. Use with care: allowing registration
@ -3066,7 +3103,7 @@ Also define a registration timeout of one hour:
...
]}.
</PRE></LI></UL><P> <A NAME="modregisterweb"></A> </P><!--TOC subsection <TT>mod_register_web</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc57">3.3.19</A>&#XA0;&#XA0;<A HREF="#modregisterweb"><TT>mod_register_web</TT></A></H3><!--SEC END --><P> <A NAME="modregisterweb"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc58">3.3.20</A>&#XA0;&#XA0;<A HREF="#modregisterweb"><TT>mod_register_web</TT></A></H3><!--SEC END --><P> <A NAME="modregisterweb"></A>
</P><P>This module provides a web page where people can:
</P><UL CLASS="itemize"><LI CLASS="li-itemize">
Register a new account on the server.
@ -3097,7 +3134,7 @@ list of JIDs which will be notified each time a new account is registered.
</PRE><P>The users can visit this page: https://localhost:5281/register/
It is important to include the last / character in the URL,
otherwise the subpages URL will be incorrect.</P><P> <A NAME="modroster"></A> </P><!--TOC subsection <TT>mod_roster</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc58">3.3.20</A>&#XA0;&#XA0;<A HREF="#modroster"><TT>mod_roster</TT></A></H3><!--SEC END --><P> <A NAME="modroster"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc59">3.3.21</A>&#XA0;&#XA0;<A HREF="#modroster"><TT>mod_roster</TT></A></H3><!--SEC END --><P> <A NAME="modroster"></A>
</P><P>This module implements roster management as defined in
<A HREF="http://xmpp.org/rfcs/rfc3921.html#roster">RFC 3921: XMPP IM</A>.
It also supports Roster Versioning (<A HREF="http://xmpp.org/extensions/xep-0237.html">XEP-0237</A>).</P><P>Options:
@ -3124,7 +3161,7 @@ you must disable this option.
...
]}.
</PRE><P> <A NAME="modservicelog"></A> </P><!--TOC subsection <TT>mod_service_log</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc59">3.3.21</A>&#XA0;&#XA0;<A HREF="#modservicelog"><TT>mod_service_log</TT></A></H3><!--SEC END --><P> <A NAME="modservicelog"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc60">3.3.22</A>&#XA0;&#XA0;<A HREF="#modservicelog"><TT>mod_service_log</TT></A></H3><!--SEC END --><P> <A NAME="modservicelog"></A>
</P><P>This module adds support for logging end user packets via a XMPP message
auditing service such as
<A HREF="http://www.funkypenguin.info/project/bandersnatch/">Bandersnatch</A>. All user
@ -3154,7 +3191,7 @@ To log all end user packets to the Bandersnatch service running on
...
]}.
</PRE></LI></UL><P> <A NAME="modsharedroster"></A> </P><!--TOC subsection <TT>mod_shared_roster</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc60">3.3.22</A>&#XA0;&#XA0;<A HREF="#modsharedroster"><TT>mod_shared_roster</TT></A></H3><!--SEC END --><P> <A NAME="modsharedroster"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc61">3.3.23</A>&#XA0;&#XA0;<A HREF="#modsharedroster"><TT>mod_shared_roster</TT></A></H3><!--SEC END --><P> <A NAME="modsharedroster"></A>
</P><P>This module enables you to create shared roster groups. This means that you can
create groups of people that can see members from (other) groups in their
rosters. The big advantages of this feature are that end users do not need to
@ -3168,11 +3205,13 @@ has a unique identification and the following parameters:
<B>Name</B></DT><DD CLASS="dd-description"> The name of the group, which will be displayed in the roster.
</DD><DT CLASS="dt-description"><B>Description</B></DT><DD CLASS="dd-description"> The description of the group. This parameter does not affect
anything.
</DD><DT CLASS="dt-description"><B>Members</B></DT><DD CLASS="dd-description"> A list of full JIDs of group members, entered one per line in
</DD><DT CLASS="dt-description"><B>Members</B></DT><DD CLASS="dd-description"> A list of JIDs of group members, entered one per line in
the Web Admin.
To put as members all the registered users in the virtual hosts,
you can use the special directive: @all@.
Note that this directive is designed for a small server with just a few hundred users.
The special member directive <TT>@all@</TT>
represents all the registered users in the virtual host;
which is only recommended for a small server with just a few hundred users.
The special member directive <TT>@online@</TT>
represents the online users in the virtual host.
</DD><DT CLASS="dt-description"><B>Displayed groups</B></DT><DD CLASS="dd-description"> A list of groups that will be in the rosters of this
group&#X2019;s members.
</DD></DL><P>Examples:
@ -3229,7 +3268,7 @@ roster groups as shown in the following table:
</TABLE>
<DIV CLASS="center"><HR WIDTH="80%" SIZE=2></DIV></DIV></BLOCKQUOTE>
</LI></UL><P> <A NAME="modsharedrosterldap"></A> </P><!--TOC subsection <TT>mod_shared_roster_ldap</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc61">3.3.23</A>&#XA0;&#XA0;<A HREF="#modsharedrosterldap"><TT>mod_shared_roster_ldap</TT></A></H3><!--SEC END --><P> <A NAME="modsharedrosterldap"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc62">3.3.24</A>&#XA0;&#XA0;<A HREF="#modsharedrosterldap"><TT>mod_shared_roster_ldap</TT></A></H3><!--SEC END --><P> <A NAME="modsharedrosterldap"></A>
</P><P>This module lets the server administrator
automatically populate users&#X2019; rosters (contact lists) with entries based on
users and groups defined in an LDAP-based directory.</P><P> <A NAME="msrlconfigparams"></A> </P><!--TOC subsubsection Configuration parameters-->
@ -3277,7 +3316,7 @@ filter="(&amp;(?=undefined)(?=undefined)(something=else))"
</PRE><P> <A NAME="msrlattrs"></A> </P><!--TOC subsubsection Attributes-->
<H4 CLASS="subsubsection"><!--SEC ANCHOR --><A HREF="#msrlattrs">Attributes</A></H4><!--SEC END --><P> <A NAME="msrlattrs"></A> </P><P>These parameters specify the names of the attributes which hold interesting data
in the entries returned by running filters specified in
section&#XA0;<A HREF="#msrlfilters">3.3.23</A>.</P><DL CLASS="description"><DT CLASS="dt-description">
section&#XA0;<A HREF="#msrlfilters">3.3.24</A>.</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>ldap_groupattr</TT></B></DT><DD CLASS="dd-description">
The name of the attribute that holds the group name, and that is used to differentiate between them.
Retrieved from results of the &#X201C;Roster Filter&#X201D; and &#X201C;Group Filter&#X201D;.
@ -3309,7 +3348,7 @@ A globbing format for extracting user ID from the value of the attribute named b
<CODE>ldap_memberattr</CODE>.
Defaults to <TT>%u</TT>, which means that the whole value is the member ID. If
you change it to something different, you may also need to specify the User
and Group Filters manually &#X2014; see section&#XA0;<A HREF="#msrlfilters">3.3.23</A>.</DD><DT CLASS="dt-description"><B><TT>ldap_memberattr_format_re</TT></B></DT><DD CLASS="dd-description">
and Group Filters manually &#X2014; see section&#XA0;<A HREF="#msrlfilters">3.3.24</A>.</DD><DT CLASS="dt-description"><B><TT>ldap_memberattr_format_re</TT></B></DT><DD CLASS="dd-description">
A regex for extracting user ID from the value of the attribute named by
<CODE>ldap_memberattr</CODE>.<P>An example value <TT>"CN=(</TT><TT>\\</TT><TT>w*),(OU=.*,)*DC=company,DC=com"</TT> works for user IDs such as the following:
</P><UL CLASS="itemize"><LI CLASS="li-itemize">
@ -3326,17 +3365,17 @@ the option is unset,
then instead of a regular expression, a simple format specified by <TT>ldap_memberattr_format</TT> is used. Also, in the last two cases an error
message is logged during the module initialization.</P><P>Also, note that in all cases <TT>ldap_memberattr_format</TT> (and <EM>not</EM> the
regex version) is used for constructing the default &#X201C;User/Group Filter&#X201D; &#X2014;
see section&#XA0;<A HREF="#msrlfilters">3.3.23</A>.</P></DD><DT CLASS="dt-description"><B><TT>ldap_auth_check</TT></B></DT><DD CLASS="dd-description">
see section&#XA0;<A HREF="#msrlfilters">3.3.24</A>.</P></DD><DT CLASS="dt-description"><B><TT>ldap_auth_check</TT></B></DT><DD CLASS="dd-description">
Whether the module should check (via the ejabberd authentication subsystem)
for existence of each user in the shared LDAP roster. See
section&#XA0;<A HREF="#msrlconfigroster">3.3.23</A> form more information. Set to <TT>off</TT> if you
section&#XA0;<A HREF="#msrlconfigroster">3.3.24</A> form more information. Set to <TT>off</TT> if you
want to disable the check.
Defaults to <TT>on</TT>.</DD><DT CLASS="dt-description"><B><TT>ldap_user_cache_validity</TT></B></DT><DD CLASS="dd-description">
Number of seconds for which the cache for roster item full names is considered
fresh after retrieval. 300 by default. See section&#XA0;<A HREF="#msrlconfigroster">3.3.23</A> on
fresh after retrieval. 300 by default. See section&#XA0;<A HREF="#msrlconfigroster">3.3.24</A> on
how it is used during roster retrieval.</DD><DT CLASS="dt-description"><B><TT>ldap_group_cache_validity</TT></B></DT><DD CLASS="dd-description">
Number of seconds for which the cache for group membership is considered
fresh after retrieval. 300 by default. See section&#XA0;<A HREF="#msrlconfigroster">3.3.23</A> on
fresh after retrieval. 300 by default. See section&#XA0;<A HREF="#msrlconfigroster">3.3.24</A> on
how it is used during roster retrieval.
</DD></DL><P> <A NAME="msrlconnparams"></A> </P><!--TOC subsubsection Connection parameters-->
<H4 CLASS="subsubsection"><!--SEC ANCHOR --><A HREF="#msrlconnparams">Connection parameters</A></H4><!--SEC END --><P> <A NAME="msrlconnparams"></A> </P><P>The module also accepts the connection parameters, all of which default to the
@ -3446,14 +3485,14 @@ the roster shown in figure&#XA0;<A HREF="#fig:msrl-roster-deep">3.4</A>.</P><BLO
</TABLE></DIV>
<A NAME="fig:msrl-roster-deep"></A>
<DIV CLASS="center"><HR WIDTH="80%" SIZE=2></DIV></DIV></BLOCKQUOTE><P> <A NAME="modsic"></A> </P><!--TOC subsection <TT>mod_sic</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc62">3.3.24</A>&#XA0;&#XA0;<A HREF="#modsic"><TT>mod_sic</TT></A></H3><!--SEC END --><P> <A NAME="modsic"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc63">3.3.25</A>&#XA0;&#XA0;<A HREF="#modsic"><TT>mod_sic</TT></A></H3><!--SEC END --><P> <A NAME="modsic"></A>
</P><P>This module adds support for Server IP Check (<A HREF="http://xmpp.org/extensions/xep-0279.html">XEP-0279</A>). This protocol
enables a client to discover its external IP address.</P><P>Options:
</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>{iqdisc, Discipline}</TT></B></DT><DD CLASS="dd-description"> This specifies
the processing discipline for <TT>urn:xmpp:sic:0</TT> IQ queries (see section&#XA0;<A HREF="#modiqdiscoption">3.3.2</A>).
</DD></DL><P> <A NAME="modstats"></A> </P><!--TOC subsection <TT>mod_stats</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc63">3.3.25</A>&#XA0;&#XA0;<A HREF="#modstats"><TT>mod_stats</TT></A></H3><!--SEC END --><P> <A NAME="modstats"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc64">3.3.26</A>&#XA0;&#XA0;<A HREF="#modstats"><TT>mod_stats</TT></A></H3><!--SEC END --><P> <A NAME="modstats"></A>
</P><P>This module adds support for Statistics Gathering (<A HREF="http://xmpp.org/extensions/xep-0039.html">XEP-0039</A>). This protocol
allows you to retrieve next statistics from your <TT>ejabberd</TT> deployment:
</P><UL CLASS="itemize"><LI CLASS="li-itemize">
@ -3485,14 +3524,14 @@ by sending:
&lt;/query&gt;
&lt;/iq&gt;
</PRE></LI></UL><P> <A NAME="modtime"></A> </P><!--TOC subsection <TT>mod_time</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc64">3.3.26</A>&#XA0;&#XA0;<A HREF="#modtime"><TT>mod_time</TT></A></H3><!--SEC END --><P> <A NAME="modtime"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc65">3.3.27</A>&#XA0;&#XA0;<A HREF="#modtime"><TT>mod_time</TT></A></H3><!--SEC END --><P> <A NAME="modtime"></A>
</P><P>This module features support for Entity Time (<A HREF="http://xmpp.org/extensions/xep-0202.html">XEP-0202</A>). By using this XEP,
you are able to discover the time at another entity&#X2019;s location.</P><P>Options:
</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>{iqdisc, Discipline}</TT></B></DT><DD CLASS="dd-description"> This specifies
the processing discipline for Entity Time (<TT>jabber:iq:time</TT>) IQ queries (see section&#XA0;<A HREF="#modiqdiscoption">3.3.2</A>).
</DD></DL><P> <A NAME="modvcard"></A> </P><!--TOC subsection <TT>mod_vcard</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc65">3.3.27</A>&#XA0;&#XA0;<A HREF="#modvcard"><TT>mod_vcard</TT></A></H3><!--SEC END --><P> <A NAME="modvcard"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc66">3.3.28</A>&#XA0;&#XA0;<A HREF="#modvcard"><TT>mod_vcard</TT></A></H3><!--SEC END --><P> <A NAME="modvcard"></A>
</P><P>This module allows end users to store and retrieve their vCard, and to retrieve
other users vCards, as defined in vcard-temp (<A HREF="http://xmpp.org/extensions/xep-0054.html">XEP-0054</A>). The module also
implements an uncomplicated Jabber User Directory based on the vCards of
@ -3547,7 +3586,7 @@ and that all virtual hosts will be searched instead of only the current one:
...
]}.
</PRE></LI></UL><P> <A NAME="modvcardldap"></A> </P><!--TOC subsection <TT>mod_vcard_ldap</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc66">3.3.28</A>&#XA0;&#XA0;<A HREF="#modvcardldap"><TT>mod_vcard_ldap</TT></A></H3><!--SEC END --><P> <A NAME="modvcardldap"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc67">3.3.29</A>&#XA0;&#XA0;<A HREF="#modvcardldap"><TT>mod_vcard_ldap</TT></A></H3><!--SEC END --><P> <A NAME="modvcardldap"></A>
</P><P><TT>ejabberd</TT> can map LDAP attributes to vCard fields. This behaviour is
implemented in the <TT>mod_vcard_ldap</TT> module. This module does not depend on the
authentication method (see&#XA0;<A HREF="#ldapauth">3.2.5</A>).</P><P>Usually <TT>ejabberd</TT> treats LDAP as a read-only storage:
@ -3729,7 +3768,7 @@ searching his info in LDAP.</P></LI><LI CLASS="li-itemize"><TT>ldap_vcard_map</T
{"Nickname", "NICKNAME"}
]},
</PRE></LI></UL><P> <A NAME="modvcardxupdate"></A> </P><!--TOC subsection <TT>mod_vcard_xupdate</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc67">3.3.29</A>&#XA0;&#XA0;<A HREF="#modvcardxupdate"><TT>mod_vcard_xupdate</TT></A></H3><!--SEC END --><P> <A NAME="modvcardxupdate"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc68">3.3.30</A>&#XA0;&#XA0;<A HREF="#modvcardxupdate"><TT>mod_vcard_xupdate</TT></A></H3><!--SEC END --><P> <A NAME="modvcardxupdate"></A>
</P><P>The user&#X2019;s client can store an avatar in the user vCard.
The vCard-Based Avatars protocol (<A HREF="http://xmpp.org/extensions/xep-0153.html">XEP-0153</A>)
provides a method for clients to inform the contacts what is the avatar hash value.
@ -3743,7 +3782,7 @@ and each presence sent by a client produces hash retrieval and a
presence stanza rewrite.
For this reason, enabling this module will introduce a computational overhead
in servers with clients that change frequently their presence.</P><P> <A NAME="modversion"></A> </P><!--TOC subsection <TT>mod_version</TT>-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc68">3.3.30</A>&#XA0;&#XA0;<A HREF="#modversion"><TT>mod_version</TT></A></H3><!--SEC END --><P> <A NAME="modversion"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc69">3.3.31</A>&#XA0;&#XA0;<A HREF="#modversion"><TT>mod_version</TT></A></H3><!--SEC END --><P> <A NAME="modversion"></A>
</P><P>This module implements Software Version (<A HREF="http://xmpp.org/extensions/xep-0092.html">XEP-0092</A>). Consequently, it
answers <TT>ejabberd</TT>&#X2019;s version when queried.</P><P>Options:
</P><DL CLASS="description"><DT CLASS="dt-description">
@ -3752,8 +3791,8 @@ The default value is <TT>true</TT>.
</DD><DT CLASS="dt-description"><B><TT>{iqdisc, Discipline}</TT></B></DT><DD CLASS="dd-description"> This specifies
the processing discipline for Software Version (<TT>jabber:iq:version</TT>) IQ queries (see section&#XA0;<A HREF="#modiqdiscoption">3.3.2</A>).
</DD></DL><P> <A NAME="manage"></A> </P><!--TOC chapter Managing an <TT>ejabberd</TT> Server-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc69">Chapter&#XA0;4</A>&#XA0;&#XA0;<A HREF="#manage">Managing an <TT>ejabberd</TT> Server</A></H1><!--SEC END --><P> <A NAME="manage"></A> </P><P> <A NAME="ejabberdctl"></A> </P><!--TOC section <TT>ejabberdctl</TT>-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc70">4.1</A>&#XA0;&#XA0;<A HREF="#ejabberdctl"><TT>ejabberdctl</TT></A></H2><!--SEC END --><P> <A NAME="ejabberdctl"></A> </P><P>With the <TT>ejabberdctl</TT> command line administration script
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc70">Chapter&#XA0;4</A>&#XA0;&#XA0;<A HREF="#manage">Managing an <TT>ejabberd</TT> Server</A></H1><!--SEC END --><P> <A NAME="manage"></A> </P><P> <A NAME="ejabberdctl"></A> </P><!--TOC section <TT>ejabberdctl</TT>-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc71">4.1</A>&#XA0;&#XA0;<A HREF="#ejabberdctl"><TT>ejabberdctl</TT></A></H2><!--SEC END --><P> <A NAME="ejabberdctl"></A> </P><P>With the <TT>ejabberdctl</TT> command line administration script
you can execute <TT>ejabberdctl commands</TT> (described in the next section, <A HREF="#ectl-commands">4.1.1</A>)
and also many general <TT>ejabberd commands</TT> (described in section <A HREF="#eja-commands">4.2</A>).
This means you can start, stop and perform many other administrative tasks
@ -3765,7 +3804,7 @@ and other codes may be used for specific results.
This can be used by other scripts to determine automatically
if a command succeeded or failed,
for example using: <TT>echo $?</TT></P><P> <A NAME="ectl-commands"></A> </P><!--TOC subsection ejabberdctl Commands-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc71">4.1.1</A>&#XA0;&#XA0;<A HREF="#ectl-commands">ejabberdctl Commands</A></H3><!--SEC END --><P> <A NAME="ectl-commands"></A> </P><P>When <TT>ejabberdctl</TT> is executed without any parameter,
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc72">4.1.1</A>&#XA0;&#XA0;<A HREF="#ectl-commands">ejabberdctl Commands</A></H3><!--SEC END --><P> <A NAME="ectl-commands"></A> </P><P>When <TT>ejabberdctl</TT> is executed without any parameter,
it displays the available options. If there isn&#X2019;t an <TT>ejabberd</TT> server running,
the available parameters are:
</P><DL CLASS="description"><DT CLASS="dt-description">
@ -3801,7 +3840,7 @@ robot1
testuser1
testuser2
</PRE><P> <A NAME="erlangconfiguration"></A> </P><!--TOC subsection Erlang Runtime System-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc72">4.1.2</A>&#XA0;&#XA0;<A HREF="#erlangconfiguration">Erlang Runtime System</A></H3><!--SEC END --><P> <A NAME="erlangconfiguration"></A> </P><P><TT>ejabberd</TT> is an Erlang/OTP application that runs inside an Erlang runtime system.
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc73">4.1.2</A>&#XA0;&#XA0;<A HREF="#erlangconfiguration">Erlang Runtime System</A></H3><!--SEC END --><P> <A NAME="erlangconfiguration"></A> </P><P><TT>ejabberd</TT> is an Erlang/OTP application that runs inside an Erlang runtime system.
This system is configured using environment variables and command line parameters.
The <TT>ejabberdctl</TT> administration script uses many of those possibilities.
You can configure some of them with the file <TT>ejabberdctl.cfg</TT>,
@ -3847,6 +3886,9 @@ This is only useful if you plan to setup an <TT>ejabberd</TT> cluster with nodes
If using <TT>-sname</TT>, specify either this option or <TT>ERL_INETRC</TT>.
</DD><DT CLASS="dt-description"><B><TT>-kernel inet_dist_listen_min 4200 inet_dist_listen_min 4210</TT></B></DT><DD CLASS="dd-description">
Define the first and last ports that <TT>epmd</TT> (section <A HREF="#epmd">5.2</A>) can listen to.
</DD><DT CLASS="dt-description"><B><TT>-kernel inet_dist_use_interface "{ 127,0,0,1 }"</TT></B></DT><DD CLASS="dd-description">
Define the IP address where this Erlang node listens for other nodes
connections (see section <A HREF="#epmd">5.2</A>).
</DD><DT CLASS="dt-description"><B><TT>-detached</TT></B></DT><DD CLASS="dd-description">
Starts the Erlang system detached from the system console.
Useful for running daemons and backgrounds processes.
@ -3878,7 +3920,7 @@ not &#X201C;Simple Authentication and Security Layer&#X201D;.
</DD></DL><P>
Note that some characters need to be escaped when used in shell scripts, for instance <CODE>"</CODE> and <CODE>{}</CODE>.
You can find other options in the Erlang manual page (<TT>erl -man erl</TT>).</P><P> <A NAME="eja-commands"></A> </P><!--TOC section <TT>ejabberd</TT> Commands-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc73">4.2</A>&#XA0;&#XA0;<A HREF="#eja-commands"><TT>ejabberd</TT> Commands</A></H2><!--SEC END --><P> <A NAME="eja-commands"></A> </P><P>An <TT>ejabberd command</TT> is an abstract function identified by a name,
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc74">4.2</A>&#XA0;&#XA0;<A HREF="#eja-commands"><TT>ejabberd</TT> Commands</A></H2><!--SEC END --><P> <A NAME="eja-commands"></A> </P><P>An <TT>ejabberd command</TT> is an abstract function identified by a name,
with a defined number and type of calling arguments and type of result
that is registered in the <TT>ejabberd_commands</TT> service.
Those commands can be defined in any Erlang module and executed using any valid frontend.</P><P><TT>ejabberd</TT> includes a frontend to execute <TT>ejabberd commands</TT>: the script <TT>ejabberdctl</TT>.
@ -3886,7 +3928,7 @@ Other known frontends that can be installed to execute ejabberd commands in diff
<TT>ejabberd_xmlrpc</TT> (XML-RPC service),
<TT>mod_rest</TT> (HTTP POST service),
<TT>mod_shcommands</TT> (ejabberd WebAdmin page).</P><P> <A NAME="list-eja-commands"></A> </P><!--TOC subsection List of ejabberd Commands-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc74">4.2.1</A>&#XA0;&#XA0;<A HREF="#list-eja-commands">List of ejabberd Commands</A></H3><!--SEC END --><P> <A NAME="list-eja-commands"></A> </P><P><TT>ejabberd</TT> includes a few ejabberd Commands by default.
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc75">4.2.1</A>&#XA0;&#XA0;<A HREF="#list-eja-commands">List of ejabberd Commands</A></H3><!--SEC END --><P> <A NAME="list-eja-commands"></A> </P><P><TT>ejabberd</TT> includes a few ejabberd Commands by default.
When more modules are installed, new commands may be available in the frontends.</P><P>The easiest way to get a list of the available commands, and get help for them is to use
the ejabberdctl script:
</P><PRE CLASS="verbatim">$ ejabberdctl help
@ -3938,7 +3980,7 @@ is very high.
</DD><DT CLASS="dt-description"><B><TT>register user host password</TT></B></DT><DD CLASS="dd-description"> Register an account in that domain with the given password.
</DD><DT CLASS="dt-description"><B><TT>unregister user host</TT></B></DT><DD CLASS="dd-description"> Unregister the given account.
</DD></DL><P> <A NAME="accesscommands"></A> </P><!--TOC subsection Restrict Execution with AccessCommands-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc75">4.2.2</A>&#XA0;&#XA0;<A HREF="#accesscommands">Restrict Execution with AccessCommands</A></H3><!--SEC END --><P> <A NAME="accesscommands"></A> </P><P>The frontends can be configured to restrict access to certain commands.
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc76">4.2.2</A>&#XA0;&#XA0;<A HREF="#accesscommands">Restrict Execution with AccessCommands</A></H3><!--SEC END --><P> <A NAME="accesscommands"></A> </P><P>The frontends can be configured to restrict access to certain commands.
In that case, authentication information must be provided.
In each frontend the <TT>AccessCommands</TT> option is defined
in a different place. But in all cases the option syntax is the same:
@ -3983,7 +4025,7 @@ and the provided arguments do not contradict Arguments.</P><P>As an example to u
{_bot_reg_test, [register, unregister], [{host, "test.org"}]}
]
</PRE><P> <A NAME="webadmin"></A> </P><!--TOC section Web Admin-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc76">4.3</A>&#XA0;&#XA0;<A HREF="#webadmin">Web Admin</A></H2><!--SEC END --><P> <A NAME="webadmin"></A>
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc77">4.3</A>&#XA0;&#XA0;<A HREF="#webadmin">Web Admin</A></H2><!--SEC END --><P> <A NAME="webadmin"></A>
</P><P>The <TT>ejabberd</TT> Web Admin allows to administer most of <TT>ejabberd</TT> using a web browser.</P><P>This feature is enabled by default:
a <TT>ejabberd_http</TT> listener with the option <TT>web_admin</TT> (see
section&#XA0;<A HREF="#listened">3.1.3</A>) is included in the listening ports. Then you can open
@ -4060,13 +4102,13 @@ The file is searched by default in
The directory of the documentation can be specified in
the environment variable <TT>EJABBERD_DOC_PATH</TT>.
See section <A HREF="#erlangconfiguration">4.1.2</A>.</P><P> <A NAME="adhoccommands"></A> </P><!--TOC section Ad-hoc Commands-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc77">4.4</A>&#XA0;&#XA0;<A HREF="#adhoccommands">Ad-hoc Commands</A></H2><!--SEC END --><P> <A NAME="adhoccommands"></A> </P><P>If you enable <TT>mod_configure</TT> and <TT>mod_adhoc</TT>,
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc78">4.4</A>&#XA0;&#XA0;<A HREF="#adhoccommands">Ad-hoc Commands</A></H2><!--SEC END --><P> <A NAME="adhoccommands"></A> </P><P>If you enable <TT>mod_configure</TT> and <TT>mod_adhoc</TT>,
you can perform several administrative tasks in <TT>ejabberd</TT>
with a XMPP client.
The client must support Ad-Hoc Commands (<A HREF="http://xmpp.org/extensions/xep-0050.html">XEP-0050</A>),
and you must login in the XMPP server with
an account with proper privileges.</P><P> <A NAME="changeerlangnodename"></A> </P><!--TOC section Change Computer Hostname-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc78">4.5</A>&#XA0;&#XA0;<A HREF="#changeerlangnodename">Change Computer Hostname</A></H2><!--SEC END --><P> <A NAME="changeerlangnodename"></A> </P><P><TT>ejabberd</TT> uses the distributed Mnesia database.
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc79">4.5</A>&#XA0;&#XA0;<A HREF="#changeerlangnodename">Change Computer Hostname</A></H2><!--SEC END --><P> <A NAME="changeerlangnodename"></A> </P><P><TT>ejabberd</TT> uses the distributed Mnesia database.
Being distributed, Mnesia enforces consistency of its file,
so it stores the name of the Erlang node in it (see section <A HREF="#nodename">5.4</A>).
The name of an Erlang node includes the hostname of the computer.
@ -4112,8 +4154,8 @@ mv /var/lib/ejabberd/*.* /var/lib/ejabberd/oldfiles/
</PRE></LI><LI CLASS="li-enumerate">Check that the information of the old database is available: accounts, rosters...
After you finish, remember to delete the temporary backup files from public directories.
</LI></OL><P> <A NAME="secure"></A> </P><!--TOC chapter Securing <TT>ejabberd</TT>-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc79">Chapter&#XA0;5</A>&#XA0;&#XA0;<A HREF="#secure">Securing <TT>ejabberd</TT></A></H1><!--SEC END --><P> <A NAME="secure"></A> </P><P> <A NAME="firewall"></A> </P><!--TOC section Firewall Settings-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc80">5.1</A>&#XA0;&#XA0;<A HREF="#firewall">Firewall Settings</A></H2><!--SEC END --><P> <A NAME="firewall"></A>
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc80">Chapter&#XA0;5</A>&#XA0;&#XA0;<A HREF="#secure">Securing <TT>ejabberd</TT></A></H1><!--SEC END --><P> <A NAME="secure"></A> </P><P> <A NAME="firewall"></A> </P><!--TOC section Firewall Settings-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc81">5.1</A>&#XA0;&#XA0;<A HREF="#firewall">Firewall Settings</A></H2><!--SEC END --><P> <A NAME="firewall"></A>
</P><P>You need to take the following TCP ports in mind when configuring your firewall:
</P><BLOCKQUOTE CLASS="table"><DIV CLASS="center"><DIV CLASS="center"><HR WIDTH="80%" SIZE=2></DIV>
<TABLE BORDER=1 CELLSPACING=0 CELLPADDING=1><TR><TD ALIGN=left NOWRAP><B>Port</B></TD><TD ALIGN=left NOWRAP><B>Description</B></TD></TR>
@ -4124,7 +4166,7 @@ After you finish, remember to delete the temporary backup files from public dire
<TR><TD ALIGN=left NOWRAP>port range</TD><TD ALIGN=left NOWRAP>Used for connections between Erlang nodes. This range is configurable (see section <A HREF="#epmd">5.2</A>).</TD></TR>
</TABLE>
<DIV CLASS="center"><HR WIDTH="80%" SIZE=2></DIV></DIV></BLOCKQUOTE><P> <A NAME="epmd"></A> </P><!--TOC section epmd-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc81">5.2</A>&#XA0;&#XA0;<A HREF="#epmd">epmd</A></H2><!--SEC END --><P> <A NAME="epmd"></A> </P><P><A HREF="http://www.erlang.org/doc/man/epmd.html">epmd (Erlang Port Mapper Daemon)</A>
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc82">5.2</A>&#XA0;&#XA0;<A HREF="#epmd">epmd</A></H2><!--SEC END --><P> <A NAME="epmd"></A> </P><P><A HREF="http://www.erlang.org/doc/man/epmd.html">epmd (Erlang Port Mapper Daemon)</A>
is a small name server included in Erlang/OTP
and used by Erlang programs when establishing distributed Erlang communications.
<TT>ejabberd</TT> needs <TT>epmd</TT> to use <TT>ejabberdctl</TT> and also when clustering <TT>ejabberd</TT> nodes.
@ -4148,8 +4190,12 @@ The ports used in this case by default are random,
but can be configured in the file <TT>ejabberdctl.cfg</TT>.
The Erlang command-line parameter used internally is, for example:
</P><PRE CLASS="verbatim">erl ... -kernel inet_dist_listen_min 4370 inet_dist_listen_max 4375
</PRE><P>It is also possible to configure in <TT>ejabberdctl.cfg</TT>
the network interface where the Erlang node will listen and accept connections.
The Erlang command-line parameter used internally is, for example:
</P><PRE CLASS="verbatim">erl ... -kernel inet_dist_use_interface "{127,0,0,1}"
</PRE><P> <A NAME="cookie"></A> </P><!--TOC section Erlang Cookie-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc82">5.3</A>&#XA0;&#XA0;<A HREF="#cookie">Erlang Cookie</A></H2><!--SEC END --><P> <A NAME="cookie"></A> </P><P>The Erlang cookie is a string with numbers and letters.
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc83">5.3</A>&#XA0;&#XA0;<A HREF="#cookie">Erlang Cookie</A></H2><!--SEC END --><P> <A NAME="cookie"></A> </P><P>The Erlang cookie is a string with numbers and letters.
An Erlang node reads the cookie at startup from the command-line parameter <TT>-setcookie</TT>.
If not indicated, the cookie is read from the cookie file <TT>$HOME/.erlang.cookie</TT>.
If this file does not exist, it is created immediately with a random cookie.
@ -4163,7 +4209,7 @@ to prevent unauthorized access or intrusion to an Erlang node.
The communication between Erlang nodes are not encrypted,
so the cookie could be read sniffing the traffic on the network.
The recommended way to secure the Erlang node is to block the port 4369.</P><P> <A NAME="nodename"></A> </P><!--TOC section Erlang Node Name-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc83">5.4</A>&#XA0;&#XA0;<A HREF="#nodename">Erlang Node Name</A></H2><!--SEC END --><P> <A NAME="nodename"></A> </P><P>An Erlang node may have a node name.
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc84">5.4</A>&#XA0;&#XA0;<A HREF="#nodename">Erlang Node Name</A></H2><!--SEC END --><P> <A NAME="nodename"></A> </P><P>An Erlang node may have a node name.
The name can be short (if indicated with the command-line parameter <TT>-sname</TT>)
or long (if indicated with the parameter <TT>-name</TT>).
Starting an Erlang node with -sname limits the communication between Erlang nodes to the LAN.</P><P>Using the option <TT>-sname</TT> instead of <TT>-name</TT> is a simple method
@ -4172,7 +4218,7 @@ However, it is not ultimately effective to prevent access to the Erlang node,
because it may be possible to fake the fact that you are on another network
using a modified version of Erlang <TT>epmd</TT>.
The recommended way to secure the Erlang node is to block the port 4369.</P><P> <A NAME="secure-files"></A> </P><!--TOC section Securing Sensitive Files-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc84">5.5</A>&#XA0;&#XA0;<A HREF="#secure-files">Securing Sensitive Files</A></H2><!--SEC END --><P> <A NAME="secure-files"></A> </P><P><TT>ejabberd</TT> stores sensitive data in the file system either in plain text or binary files.
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc85">5.5</A>&#XA0;&#XA0;<A HREF="#secure-files">Securing Sensitive Files</A></H2><!--SEC END --><P> <A NAME="secure-files"></A> </P><P><TT>ejabberd</TT> stores sensitive data in the file system either in plain text or binary files.
The file system permissions should be set to only allow the proper user to read,
write and execute those files and directories.</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>ejabberd configuration file: /etc/ejabberd/ejabberd.cfg</TT></B></DT><DD CLASS="dd-description">
@ -4192,9 +4238,9 @@ so it is preferable to secure the whole <TT>/var/lib/ejabberd/</TT> directory.
</DD><DT CLASS="dt-description"><B><TT>Erlang cookie file: /var/lib/ejabberd/.erlang.cookie</TT></B></DT><DD CLASS="dd-description">
See section <A HREF="#cookie">5.3</A>.
</DD></DL><P> <A NAME="clustering"></A> </P><!--TOC chapter Clustering-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc85">Chapter&#XA0;6</A>&#XA0;&#XA0;<A HREF="#clustering">Clustering</A></H1><!--SEC END --><P> <A NAME="clustering"></A>
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc86">Chapter&#XA0;6</A>&#XA0;&#XA0;<A HREF="#clustering">Clustering</A></H1><!--SEC END --><P> <A NAME="clustering"></A>
</P><P> <A NAME="howitworks"></A> </P><!--TOC section How it Works-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc86">6.1</A>&#XA0;&#XA0;<A HREF="#howitworks">How it Works</A></H2><!--SEC END --><P> <A NAME="howitworks"></A>
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc87">6.1</A>&#XA0;&#XA0;<A HREF="#howitworks">How it Works</A></H2><!--SEC END --><P> <A NAME="howitworks"></A>
</P><P>A XMPP domain is served by one or more <TT>ejabberd</TT> nodes. These nodes can
be run on different machines that are connected via a network. They all
must have the ability to connect to port 4369 of all another nodes, and must
@ -4208,29 +4254,29 @@ router,
</LI><LI CLASS="li-itemize">session manager,
</LI><LI CLASS="li-itemize">s2s manager.
</LI></UL><P> <A NAME="router"></A> </P><!--TOC subsection Router-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc87">6.1.1</A>&#XA0;&#XA0;<A HREF="#router">Router</A></H3><!--SEC END --><P> <A NAME="router"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc88">6.1.1</A>&#XA0;&#XA0;<A HREF="#router">Router</A></H3><!--SEC END --><P> <A NAME="router"></A>
</P><P>This module is the main router of XMPP packets on each node. It
routes them based on their destination&#X2019;s domains. It uses a global
routing table. The domain of the packet&#X2019;s destination is searched in the
routing table, and if it is found, the packet is routed to the
appropriate process. If not, it is sent to the s2s manager.</P><P> <A NAME="localrouter"></A> </P><!--TOC subsection Local Router-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc88">6.1.2</A>&#XA0;&#XA0;<A HREF="#localrouter">Local Router</A></H3><!--SEC END --><P> <A NAME="localrouter"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc89">6.1.2</A>&#XA0;&#XA0;<A HREF="#localrouter">Local Router</A></H3><!--SEC END --><P> <A NAME="localrouter"></A>
</P><P>This module routes packets which have a destination domain equal to
one of this server&#X2019;s host names. If the destination JID has a non-empty user
part, it is routed to the session manager, otherwise it is processed depending
on its content.</P><P> <A NAME="sessionmanager"></A> </P><!--TOC subsection Session Manager-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc89">6.1.3</A>&#XA0;&#XA0;<A HREF="#sessionmanager">Session Manager</A></H3><!--SEC END --><P> <A NAME="sessionmanager"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc90">6.1.3</A>&#XA0;&#XA0;<A HREF="#sessionmanager">Session Manager</A></H3><!--SEC END --><P> <A NAME="sessionmanager"></A>
</P><P>This module routes packets to local users. It looks up to which user
resource a packet must be sent via a presence table. Then the packet is
either routed to the appropriate c2s process, or stored in offline
storage, or bounced back.</P><P> <A NAME="s2smanager"></A> </P><!--TOC subsection s2s Manager-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc90">6.1.4</A>&#XA0;&#XA0;<A HREF="#s2smanager">s2s Manager</A></H3><!--SEC END --><P> <A NAME="s2smanager"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc91">6.1.4</A>&#XA0;&#XA0;<A HREF="#s2smanager">s2s Manager</A></H3><!--SEC END --><P> <A NAME="s2smanager"></A>
</P><P>This module routes packets to other XMPP servers. First, it
checks if an opened s2s connection from the domain of the packet&#X2019;s
source to the domain of the packet&#X2019;s destination exists. If that is the case,
the s2s manager routes the packet to the process
serving this connection, otherwise a new connection is opened.</P><P> <A NAME="cluster"></A> </P><!--TOC section Clustering Setup-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc91">6.2</A>&#XA0;&#XA0;<A HREF="#cluster">Clustering Setup</A></H2><!--SEC END --><P> <A NAME="cluster"></A>
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc92">6.2</A>&#XA0;&#XA0;<A HREF="#cluster">Clustering Setup</A></H2><!--SEC END --><P> <A NAME="cluster"></A>
</P><P>Suppose you already configured <TT>ejabberd</TT> on one machine named (<TT>first</TT>),
and you need to setup another one to make an <TT>ejabberd</TT> cluster. Then do
following steps:</P><OL CLASS="enumerate" type=1><LI CLASS="li-enumerate">
@ -4268,10 +4314,10 @@ and &#X2018;<CODE>access</CODE>&#X2019; options because they will be taken from
enabled only on one machine in the cluster.
</LI></OL><P>You can repeat these steps for other machines supposed to serve this
domain.</P><P> <A NAME="servicelb"></A> </P><!--TOC section Service Load-Balancing-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc92">6.3</A>&#XA0;&#XA0;<A HREF="#servicelb">Service Load-Balancing</A></H2><!--SEC END --><P> <A NAME="servicelb"></A>
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc93">6.3</A>&#XA0;&#XA0;<A HREF="#servicelb">Service Load-Balancing</A></H2><!--SEC END --><P> <A NAME="servicelb"></A>
</P><P> <A NAME="componentlb"></A> </P><!--TOC subsection Components Load-Balancing-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc93">6.3.1</A>&#XA0;&#XA0;<A HREF="#componentlb">Components Load-Balancing</A></H3><!--SEC END --><P> <A NAME="componentlb"></A> </P><P> <A NAME="domainlb"></A> </P><!--TOC subsection Domain Load-Balancing Algorithm-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc94">6.3.2</A>&#XA0;&#XA0;<A HREF="#domainlb">Domain Load-Balancing Algorithm</A></H3><!--SEC END --><P> <A NAME="domainlb"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc94">6.3.1</A>&#XA0;&#XA0;<A HREF="#componentlb">Components Load-Balancing</A></H3><!--SEC END --><P> <A NAME="componentlb"></A> </P><P> <A NAME="domainlb"></A> </P><!--TOC subsection Domain Load-Balancing Algorithm-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc95">6.3.2</A>&#XA0;&#XA0;<A HREF="#domainlb">Domain Load-Balancing Algorithm</A></H3><!--SEC END --><P> <A NAME="domainlb"></A>
</P><P><TT>ejabberd</TT> includes an algorithm to load balance the components that are plugged on an <TT>ejabberd</TT> cluster. It means that you can plug one or several instances of the same component on each <TT>ejabberd</TT> cluster and that the traffic will be automatically distributed.</P><P>The default distribution algorithm try to deliver to a local instance of a component. If several local instances are available, one instance is chosen randomly. If no instance is available locally, one instance is chosen randomly among the remote component instances.</P><P>If you need a different behaviour, you can change the load balancing behaviour with the option <TT>domain_balancing</TT>. The syntax of the option is the following:
</P><DL CLASS="description"><DT CLASS="dt-description"><B><TT>{domain_balancing, "component.example.com", BalancingCriteria}.</TT></B></DT></DL><P>Several balancing criteria are available:
</P><UL CLASS="itemize"><LI CLASS="li-itemize">
@ -4280,12 +4326,12 @@ domain.</P><P> <A NAME="servicelb"></A> </P><!--TOC section Service Load-Balanci
</LI><LI CLASS="li-itemize"><TT>bare_destination</TT>: the bare JID (without resource) of the packet <TT>to</TT> attribute is used.
</LI><LI CLASS="li-itemize"><TT>bare_source</TT>: the bare JID (without resource) of the packet <TT>from</TT> attribute is used.
</LI></UL><P>If the value corresponding to the criteria is the same, the same component instance in the cluster will be used.</P><P> <A NAME="lbbuckets"></A> </P><!--TOC subsection Load-Balancing Buckets-->
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc95">6.3.3</A>&#XA0;&#XA0;<A HREF="#lbbuckets">Load-Balancing Buckets</A></H3><!--SEC END --><P> <A NAME="lbbuckets"></A>
<H3 CLASS="subsection"><!--SEC ANCHOR --><A NAME="htoc96">6.3.3</A>&#XA0;&#XA0;<A HREF="#lbbuckets">Load-Balancing Buckets</A></H3><!--SEC END --><P> <A NAME="lbbuckets"></A>
</P><P>When there is a risk of failure for a given component, domain balancing can cause service trouble. If one component is failing the service will not work correctly unless the sessions are rebalanced.</P><P>In this case, it is best to limit the problem to the sessions handled by the failing component. This is what the <TT>domain_balancing_component_number</TT> option does, making the load balancing algorithm not dynamic, but sticky on a fix number of component instances.</P><P>The syntax is:
</P><DL CLASS="description"><DT CLASS="dt-description"><B><TT>{domain_balancing_component_number, "component.example.com", Number}.</TT></B></DT></DL><P> <A NAME="debugging"></A> </P><!--TOC chapter Debugging-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc96">Chapter&#XA0;7</A>&#XA0;&#XA0;<A HREF="#debugging">Debugging</A></H1><!--SEC END --><P> <A NAME="debugging"></A>
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc97">Chapter&#XA0;7</A>&#XA0;&#XA0;<A HREF="#debugging">Debugging</A></H1><!--SEC END --><P> <A NAME="debugging"></A>
</P><P> <A NAME="logfiles"></A> </P><!--TOC section Log Files-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc97">7.1</A>&#XA0;&#XA0;<A HREF="#logfiles">Log Files</A></H2><!--SEC END --><P> <A NAME="logfiles"></A> </P><P>An <TT>ejabberd</TT> node writes two log files:
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc98">7.1</A>&#XA0;&#XA0;<A HREF="#logfiles">Log Files</A></H2><!--SEC END --><P> <A NAME="logfiles"></A> </P><P>An <TT>ejabberd</TT> node writes two log files:
</P><DL CLASS="description"><DT CLASS="dt-description">
<B><TT>ejabberd.log</TT></B></DT><DD CLASS="dd-description"> is the ejabberd service log, with the messages reported by <TT>ejabberd</TT> code
</DD><DT CLASS="dt-description"><B><TT>erlang.log</TT></B></DT><DD CLASS="dd-description"> is the Erlang/OTP system log, with the messages reported by Erlang/OTP using SASL (System Architecture Support Libraries)
@ -4310,12 +4356,12 @@ The ejabberdctl command <TT>reopen-log</TT>
(please refer to section <A HREF="#ectl-commands">4.1.1</A>)
reopens the log files,
and also renames the old ones if you didn&#X2019;t rename them.</P><P> <A NAME="debugconsole"></A> </P><!--TOC section Debug Console-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc98">7.2</A>&#XA0;&#XA0;<A HREF="#debugconsole">Debug Console</A></H2><!--SEC END --><P> <A NAME="debugconsole"></A> </P><P>The Debug Console is an Erlang shell attached to an already running <TT>ejabberd</TT> server.
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc99">7.2</A>&#XA0;&#XA0;<A HREF="#debugconsole">Debug Console</A></H2><!--SEC END --><P> <A NAME="debugconsole"></A> </P><P>The Debug Console is an Erlang shell attached to an already running <TT>ejabberd</TT> server.
With this Erlang shell, an experienced administrator can perform complex tasks.</P><P>This shell gives complete control over the <TT>ejabberd</TT> server,
so it is important to use it with extremely care.
There are some simple and safe examples in the article
<A HREF="http://www.ejabberd.im/interconnect-erl-nodes">Interconnecting Erlang Nodes</A></P><P>To exit the shell, close the window or press the keys: control+c control+c.</P><P> <A NAME="watchdog"></A> </P><!--TOC section Watchdog Alerts-->
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc99">7.3</A>&#XA0;&#XA0;<A HREF="#watchdog">Watchdog Alerts</A></H2><!--SEC END --><P> <A NAME="watchdog"></A>
<H2 CLASS="section"><!--SEC ANCHOR --><A NAME="htoc100">7.3</A>&#XA0;&#XA0;<A HREF="#watchdog">Watchdog Alerts</A></H2><!--SEC END --><P> <A NAME="watchdog"></A>
</P><P><TT>ejabberd</TT> includes a watchdog mechanism that may be useful to developers
when troubleshooting a problem related to memory usage.
If a process in the <TT>ejabberd</TT> server consumes more memory than the configured threshold,
@ -4335,7 +4381,7 @@ or in a conversation with the watchdog alert bot.</P><P>The syntax is:
To remove all watchdog admins, set the option with an empty list:
</P><PRE CLASS="verbatim">{watchdog_admins, []}.
</PRE><P> <A NAME="i18ni10n"></A> </P><!--TOC chapter Internationalization and Localization-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc100">Appendix&#XA0;A</A>&#XA0;&#XA0;<A HREF="#i18ni10n">Internationalization and Localization</A></H1><!--SEC END --><P> <A NAME="i18ni10n"></A>
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc101">Appendix&#XA0;A</A>&#XA0;&#XA0;<A HREF="#i18ni10n">Internationalization and Localization</A></H1><!--SEC END --><P> <A NAME="i18ni10n"></A>
</P><P>The source code of <TT>ejabberd</TT> supports localization.
The translators can edit the
<A HREF="http://www.gnu.org/software/gettext/">gettext</A> .po files
@ -4370,9 +4416,9 @@ HTTP header &#X2018;Accept-Language: ru&#X2019;</TD></TR>
</TABLE></DIV>
<A NAME="fig:webadmmainru"></A>
<DIV CLASS="center"><HR WIDTH="80%" SIZE=2></DIV></DIV></BLOCKQUOTE><P> <A NAME="releasenotes"></A> </P><!--TOC chapter Release Notes-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc101">Appendix&#XA0;B</A>&#XA0;&#XA0;<A HREF="#releasenotes">Release Notes</A></H1><!--SEC END --><P> <A NAME="releasenotes"></A>
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc102">Appendix&#XA0;B</A>&#XA0;&#XA0;<A HREF="#releasenotes">Release Notes</A></H1><!--SEC END --><P> <A NAME="releasenotes"></A>
</P><P>Release notes are available from <A HREF="http://www.process-one.net/en/ejabberd/release_notes/">ejabberd Home Page</A></P><P> <A NAME="acknowledgements"></A> </P><!--TOC chapter Acknowledgements-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc102">Appendix&#XA0;C</A>&#XA0;&#XA0;<A HREF="#acknowledgements">Acknowledgements</A></H1><!--SEC END --><P> <A NAME="acknowledgements"></A> </P><P>Thanks to all people who contributed to this guide:
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc103">Appendix&#XA0;C</A>&#XA0;&#XA0;<A HREF="#acknowledgements">Acknowledgements</A></H1><!--SEC END --><P> <A NAME="acknowledgements"></A> </P><P>Thanks to all people who contributed to this guide:
</P><UL CLASS="itemize"><LI CLASS="li-itemize">
Alexey Shchepin (<A HREF="xmpp:aleksey@jabber.ru"><TT>xmpp:aleksey@jabber.ru</TT></A>)
</LI><LI CLASS="li-itemize">Badlop (<A HREF="xmpp:badlop@jabberes.org"><TT>xmpp:badlop@jabberes.org</TT></A>)
@ -4385,7 +4431,7 @@ Alexey Shchepin (<A HREF="xmpp:aleksey@jabber.ru"><TT>xmpp:aleksey@jabber.ru</TT
</LI><LI CLASS="li-itemize">Sergei Golovan (<A HREF="xmpp:sgolovan@nes.ru"><TT>xmpp:sgolovan@nes.ru</TT></A>)
</LI><LI CLASS="li-itemize">Vsevolod Pelipas (<A HREF="xmpp:vsevoload@jabber.ru"><TT>xmpp:vsevoload@jabber.ru</TT></A>)
</LI></UL><P> <A NAME="copyright"></A> </P><!--TOC chapter Copyright Information-->
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc103">Appendix&#XA0;D</A>&#XA0;&#XA0;<A HREF="#copyright">Copyright Information</A></H1><!--SEC END --><P> <A NAME="copyright"></A> </P><P>Ejabberd Installation and Operation Guide.<BR>
<H1 CLASS="chapter"><!--SEC ANCHOR --><A NAME="htoc104">Appendix&#XA0;D</A>&#XA0;&#XA0;<A HREF="#copyright">Copyright Information</A></H1><!--SEC END --><P> <A NAME="copyright"></A> </P><P>Ejabberd Installation and Operation Guide.<BR>
Copyright &#XA9; 2003 &#X2014; 2010 ProcessOne</P><P>This document is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2

2
doc/version.tex
View File

@ -1,2 +1,2 @@
% ejabberd version (automatically generated).
\newcommand{\version}{2.1.x}
\newcommand{\version}{2.1.7}