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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>rsyslog documentation</title></head>
<body>
<h1>RSyslog - Documentation</h1>
<p><b><a href="http://www.rsyslog.com/">Rsyslog</a>
is an enhanced syslogd
supporting, among others, <a href="rsyslog_mysql.html">MySQL</a>,
PostgreSQL, <a href="http://wiki.rsyslog.com/index.php/FailoverSyslogServer">failover
log destinations</a>, syslog/tcp, fine grain output format
control, high precision timestamps, queued operations and the ability to filter on any message
part.</b>
It is quite compatible to stock sysklogd and can be used as a drop-in
replacement. Its <a href="features.html">
advanced features</a> make it suitable for enterprise-class, <a href="rsyslog_tls.html">encryption protected syslog</a>
relay chains while at the same time being very easy to setup for the
novice user. And as we know what enterprise users really need, there is
also <a href="http://www.rsyslog.com/professional-services">professional
rsyslog support</a> available directly from the source!</p>
<p><b>Please visit the <a href="http://www.rsyslog.com/sponsors">rsyslog sponsor's page</a>
to honor the project sponsors or become one yourself!</b> We are very grateful for any help towards the
project goals.</p>
<p><b>This documentation is for version 7.2.1 (v7-stable branch) of rsyslog.</b>
Visit the <i><a href="http://www.rsyslog.com/status">rsyslog status page</a></i></b>
to obtain current version information and project status.
</p><p><b>If you like rsyslog, you might
want to lend us a helping hand. </b>It doesn't require a lot of
time - even a single mouse click helps. Learn <a href="how2help.html">how to help the rsyslog project</a>.
Due to popular demand, there is now a <a href="rsyslog_ng_comparison.html">side-by-side comparison
between rsyslog and syslog-ng</a>.</p>
<p>If you are upgrading from rsyslog v2 or stock sysklogd,
<a href="v3compatibility.html">be sure to read the rsyslog v3 compatibility notes</a>,
and if you are upgrading from v3, read the
<a href="v4compatibility.html">rsyslog v4 compatibility notes</a>,
if you upgrade from v4, read the
<a href="v5compatibility.html">rsyslog v5 compatibility notes</a>, and
if you upgrade from v5, read the
<a href="v6compatibility.html">rsyslog v6 compatibility notes</a>.
if you upgrade from v6, read the
<a href="v7compatibility.html">rsyslog v7 compatibility notes</a>.
<p>Rsyslog will work even
if you do not read the doc, but doing so will definitely improve your experience.</p>
<p><b>Follow the links below for the</b></p>
<ul>
<li><a href="troubleshoot.html">troubleshooting rsyslog problems</a></li>
<li><a href="http://www.rsyslog.com/doc/node1.html">rsyslog.conf, new RainerScript-based format (v6+)</a></li>
<li><a href="rsyslog_conf.html">configuration file format (rsyslog.conf)</a></li>
<li><a href="http://www.rsyslog.com/tool-regex">a regular expression checker/generator tool for rsyslog</a></li>
<li> <a href="property_replacer.html">property replacer, an important core component</a></li>
<li><a href="bugs.html">rsyslog bug list</a></li>
<li><a href="messageparser.html">understanding rsyslog message parsers</a></li>
<li><a href="generic_design.html">backgrounder on generic syslog application design</a></li>
<li><a href="modules.html">description of rsyslog modules</a></li>
<li><a href="rsyslog_packages.html">rsyslog packages</a></li>
</ul>
<p><b>To keep current on rsyslog development, follow
<a href="http://twitter.com/rgerhards">Rainer's twitter feed</a>.</b></p>
<p><b>We have some in-depth papers on</b></p>
<ul>
<li><a href="install.html">installing rsyslog</a></li>
<li><a href="build_from_repo.html">obtaining rsyslog from the source repository</a></li>
<li><a href="ipv6.html">rsyslog and IPv6</a> (which is fully supported)</li>
<li><a href="rsyslog_secure_tls.html">native TLS encryption for syslog</a></li>
<li><a href="multi_ruleset.html">using multiple rule sets in rsyslog</a></li>
<li><a href="rsyslog_stunnel.html">ssl-encrypting syslog with stunnel</a></li>
<li><a href="rsyslog_mysql.html">writing syslog messages to MySQL (and other databases as well)</a></li>
<li><a href="rsyslog_pgsql.html">writing syslog messages to PostgreSQL (and other databases as well)</a></li>
<li><a href="rsyslog_high_database_rate.html">writing massive amounts of syslog messages to a database</a></li>
<li><a href="rsyslog_reliable_forwarding.html">reliable forwarding to a remote server</a></li>
<li><a href="rsyslog_php_syslog_ng.html">using
php-syslog-ng with rsyslog</a></li>
<li><a href="rsyslog_recording_pri.html">recording
the syslog priority (severity and facility) to the log file</a></li>
<li><a href="http://www.rsyslog.com/Article19.phtml">preserving
syslog sender over NAT</a> (online only)</li>
<li><a href="gssapi.html">an overview and howto of rsyslog gssapi support</a></li>
<li><a href="debug.html">debug support in rsyslog</a></li>
<li>Developer Documentation
  <ul>
  <li><a href="build_from_repo.html">building rsyslog from the source repository</a></li>
  <li><a href="dev_oplugins.html">writing rsyslog output plugins</a></li>
  <li><a href="dev_queue.html">the rsyslog message queue object (developer's view)</a></li>
  </ul></li>
</ul>
<p>Our <a href="history.html">rsyslog history</a>
page is for you if you would like to learn a little more
on why there is an rsyslog at all. If you are interested why you should
care about rsyslog at all, you may want to read Rainer's essay on "<a href="http://rgerhards.blogspot.com/2007/08/why-does-world-need-another-syslogd.html">why
the world needs another syslogd</a>".</p>
<p>Documentation is added continuously. Please note that the
documentation here
matches only the current version of rsyslog. If you use an older
version, be sure to use the doc that came with it.</p>
<p><b>You can also browse the following online resources:</b></p>
<ul>
<li>the <a href="http://wiki.rsyslog.com/">rsyslog
wiki</a>, a community resource which&nbsp;includes <a href="http://wiki.rsyslog.com/index.php/Configuration_Samples">rsyslog configuration examples</a></li>
<li><a href="http://www.rsyslog.com/module-Static_Docs-view-f-manual.html.phtml">rsyslog
online documentation (most current version only)</a></li>

<li><a href="http://kb.monitorware.com/rsyslog-f40.html">rsyslog discussion forum - use this for technical support</a></li>
<li><a href="http://www.rsyslog.com/Topic8.phtml">rsyslog video tutorials</a></li>
<li><a href="http://www.rsyslog.com/Topic4.phtml">rsyslog change log</a></li>
<li><a href="http://www.rsyslog.com/Topic3.phtml">rsyslog FAQ</a></li> 
<li><a href="http://www.monitorware.com/en/syslog-enabled-products/">syslog device configuration guide</a> (off-site)</li>
<li><a href="http://www.rsyslog.com/PNphpBB2.phtml">rsyslog discussion forum - use this for technical support</a></li>
<li><a href="http://kb.monitorware.com/rsyslog-f49.html">deutsches rsyslog forum</a> (forum in German language)</li>
</ul>
<p>And don't forget about the <a href="http://lists.adiscon.net/mailman/listinfo/rsyslog">rsyslog
mailing list</a>. If you are interested in the "backstage", you
may find
<a href="http://www.gerhards.net/rainer">Rainer</a>'s
<a href="http://blog.gerhards.net/">blog</a> an
interesting read (filter on syslog and rsyslog tags).
Or meet <a href="http://www.facebook.com/people/Rainer-Gerhards/1349393098">Rainer Gerhards at Facebook</a>
or <a href="https://plus.google.com/112402185904751517878/posts">Google+</a>.
If you would like to use rsyslog source code inside your open source project, you can do that without
any restriction as long as your license is GPLv3 compatible. If your license is incompatible to GPLv3,
you may even be still permitted to use rsyslog source code. However, then you need to look at the way
<a href="licensing.html">rsyslog is licensed</a>.</p>
<p>Feedback is always welcome, but if you have a support question, please do not
mail Rainer directly (<a href="free_support.html">why not?</a>) - use the
<a href="http://lists.adiscon.net/mailman/listinfo/rsyslog">rsyslog mailing list</a>
or <a href="http://kb.monitorware.com/rsyslog-f40.html">rsyslog formum</a> instead.
</body></html>