On Mon, 1 Mar 2004, Frank DeChellis DSL wrote:

> Hi.
>
> We are running Exim 4.2 with Exiscan and SpamAssassin on a separate
> server.  I just setup clamav on a separate server.
>
> How do I structure av_scanner = clamd:/var/run/clamd.ctl line in my exim
> configuration to use clam off another server?
>
> What do I enter in my clamav.conf to give another server access to it?
>
> Thanks for any help you can offer.
>

Unfortunately I can't offer any help on Exim, but I can tell you this;

To have clamd listen on a TCP socket (needed so you can commect from
remote hosts - by default it uses a UNIX domain socket) you need to use
the TCPSocket keyword in clamav.conf - example :

TCPSocket 3310

That would make clamd listen on TCP port 3310

If you have several network interface cards in the machine running clamd,
then you may also need to specify TCPAddr to make clamd only bind to a
specific IP (by default it'll bind to INADDR_ANY, thereby listening on
any available IP address) - example :

TCPAddr 192.168.1.123

There are also some settings controlling some limits, like
MaxConnectionQueueLength which defines how many connections may be "in
queue" - default is 15, but you may want to raise it if you expect a large
load.

There is also MaxThreads that specifies how many threads clamd uses, you
probably want to raise this from the default of 5 to some larger number on
a busy server - experiment to find the proper setting (I use 25 on my
mailserver which gets ~25000 mails a day).

There are other settings that you may want to tune, but you can read about
them all in the comments in the clamav.conf file.


finally, why are you running clamd on a sepperate host? It does not use a
huge amount of resources, so unless your Exim server is very busy it would
probably not be overly burdened by running clamd locally.


Kind regards,

Jesper Juhl



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