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<!--Converted with LaTeX2HTML 2002-2-1 (1.71)
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original version by: Nikos Drakos, CBLU, University of Leeds
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* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan
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* with significant contributions from:
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Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
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<HTML>
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<HEAD>
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2008-07-16 16:40:13 +00:00
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<TITLE>Clam daemon</TITLE>
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<META NAME="description" CONTENT="Clam daemon">
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2007-02-12 12:50:17 +00:00
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<B> Next:</B> <A NAME="tex2html518"
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HREF="node26.html">Clamdscan</A>
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<B> Up:</B> <A NAME="tex2html514"
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HREF="node24.html">Usage</A>
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<B> Previous:</B> <A NAME="tex2html508"
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HREF="node24.html">Usage</A>
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<B> <A NAME="tex2html516"
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HREF="node1.html">Contents</A></B>
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<BR>
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<BR></DIV>
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<!--End of Navigation Panel-->
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<H2><A NAME="SECTION00061000000000000000"></A><A NAME="clamd"></A>
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<BR>
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Clam daemon
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</H2>
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<code>clamd</code> is a multi-threaded daemon that uses <SPAN CLASS="textit">libclamav</SPAN>
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to scan files for viruses. It may work in one or both modes listening on:
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<UL>
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<LI>Unix (local) socket
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</LI>
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<LI>TCP socket
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</LI>
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</UL>
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The daemon is fully configurable via the <code>clamd.conf</code> file
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<A NAME="tex2html18"
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HREF="footnode.html#foot233"><SUP><SPAN CLASS="arabic">6</SPAN></SUP></A>. <code>clamd</code> recognizes the following commands:
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<UL>
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<LI><SPAN CLASS="textbf">PING</SPAN>
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<BR>
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Check the daemon's state (should reply with "PONG").
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</LI>
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<LI><SPAN CLASS="textbf">VERSION</SPAN>
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<BR>
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Print program and database versions.
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</LI>
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<LI><SPAN CLASS="textbf">RELOAD</SPAN>
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<BR>
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Reload the databases.
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</LI>
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<LI><SPAN CLASS="textbf">SHUTDOWN</SPAN>
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<BR>
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Perform a clean exit.
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</LI>
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<LI><SPAN CLASS="textbf">SCAN file/directory</SPAN>
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<BR>
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Scan file or directory (recursively) with archive support
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enabled (a full path is required).
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</LI>
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<LI><SPAN CLASS="textbf">RAWSCAN file/directory</SPAN>
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<BR>
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Scan file or directory (recursively) with archive and special file
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support disabled (a full path is required).
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</LI>
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<LI><SPAN CLASS="textbf">CONTSCAN file/directory</SPAN>
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<BR>
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Scan file or directory (recursively) with archive support
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enabled and don't stop the scanning when a virus is found.
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</LI>
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<LI><SPAN CLASS="textbf">MULTISCAN file/directory</SPAN>
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<BR>
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Scan file in a standard way or scan directory (recursively) using
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multiple threads (to make the scanning faster on SMP machines).
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</LI>
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<LI><SPAN CLASS="textbf">STREAM</SPAN>
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<BR>
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Scan stream: <code>clamd</code> will return a new port number you should
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connect to and send data to scan.
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</LI>
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<LI><SPAN CLASS="textbf">SESSION, END</SPAN>
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<BR>
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Start/end a <code>clamd</code> session - you can do multiple commands
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per TCP session (WARNING: due to the <code>clamd</code> implementation the
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<SPAN CLASS="textbf">RELOAD</SPAN> command will break the session).
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</LI>
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</UL>
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and reacts on the special signals:
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<UL>
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<LI><SPAN CLASS="textbf">SIGTERM</SPAN> - perform a clean exit
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</LI>
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<LI><SPAN CLASS="textbf">SIGHUP</SPAN> - reopen the log file
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</LI>
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<LI><SPAN CLASS="textbf">SIGUSR2</SPAN> - reload the database
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</LI>
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</UL>
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Clamd should not be started in the background using the shell operator
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<code>&</code> or external tools. Instead, you should run and wait for clamd
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to load the database and daemonize itself. After that, clamd is instantly
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ready to accept connections and perform file scanning.
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<P>
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<B> Next:</B> <A NAME="tex2html518"
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HREF="node26.html">Clamdscan</A>
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<B> Up:</B> <A NAME="tex2html514"
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HREF="node24.html">Usage</A>
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<B> Previous:</B> <A NAME="tex2html508"
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HREF="node24.html">Usage</A>
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<B> <A NAME="tex2html516"
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HREF="node1.html">Contents</A></B> </DIV>
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<!--End of Navigation Panel-->
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<ADDRESS>
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Tomasz Kojm
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2008-10-15 09:41:51 +00:00
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2008-10-15
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</ADDRESS>
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