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Re: Virus Checking on Firewall

On Wed, 26 Sep 2001, Chad Morgan wrote:

> I was wondering what the best way (if any) of stopping email viruses
> through a firewall.

Put your virus scanner there...

> I'm trying to see if
> a) there is a way to scan all files that pass through the firewall

sendmail has a Mail FILTER (milter) capability that easily interfaces
with the likes of amavis, or home written tools (even in perl).

These tools can scan/convert/reject based upon header and/or body

> b) possibly block out certain types of files but I don't really like
> this idea because it will block out legitimate attachments too.

Agreed, I disfavour content type (for the most part)

> c) if anyone has a better idea.
> We have about 25 users that receive email from several different
> accounts on different servers so a mail server solution that scans
> attachments won't work for us.

Fetchmail -> procmail or fetchmail -> sendmail ?

Rick Nelson
<SirDibos> does Johnie Ingram hang out here on IRC?

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