On 5/27/2008 8:50 AM, David McNair wrote:
Please bear with me - I'm a Linux WAY newbie and basically don't know jack... I inherited 2 email gateway (Postfix) servers (primary and backup) running Fedora 6 and ClamAV. Recently both started reporting daily errors:
ERROR: Error while reading database from db.US.clamav.net
ERROR: Can't download daily.cvd from db.US.clamav.net (IP: 199.239.233.95)
The IP address varies - guess that's the pool of servers it's connecting to thru clamav.net. From all indications, both servers can connect to the internet - email is still getting thru.
So is this something I should be concerned about? Or does ClamAV, if it fails
on one server, go to the next one and download the CVD? I tried reading the
ClamAV manual, but with not knowing how to really use Linux (via command
line)...it's almost Greek to me... J I did find (in the manual) where I can
change how and where they try to download the CVD from, but I can't for the
life of me (time and all limiting this) how to get to that point. And yes,
trying to get a Linux class to be my next goal!!!
Any ideas, easier "How To" reading, help, etc. would be greatly appreciated!
Thanks!
David,
It's a concern only because your anti-virus database is not being updated.
Since you have two systems and neither one can get the database, it
sounds like it may be a firewall issue. Freshclam is probably the
program used to downloads updates. It uses http so that needs to be open
in your firewall(s). It's possible outgoing port 80 connections aren't
being allowed since that's not usually required for a mail server. At a
command prompt in one of your mail systems, type:
wget db.US.clamav.net
Then hit return and see what happens. It should download index.html from
that site and put it in the directory where you ran the command from. If
this doesn't work, look for a firewall issue.
Post the results if you want.
Karl
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