"Virus Scanning" ruleset being ignored?
Andrew Hodges
ahodges at phenom-networks.com
Wed Jan 3 18:19:30 CET 2007
I think I read somewhere that it will still physically scan the item, it just ignores the virus if it meets a scanning rule that states no...
Believe it is easier to scan all and change what you do with infections than look at scanning only cetain items.
Andy Hodges
-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of martinh at solidstatelogic.com
Sent: 03 January 2007 16:49
To: MailScanner discussion
Subject: RE: "Virus Scanning" ruleset being ignored?
Daniel
I'd run this in debug mode....looks like somethings going wrong somewhere....!
--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Daniel Maher
> Sent: 03 January 2007 16:38
> To: MailScanner discussion
> Subject: RE: "Virus Scanning" ruleset being ignored?
>
> Thanks for the reply,
>
> I agree with your statement; however, that does not explain why files
are
> still scanned for viruses if the ruleset is:
> FromOrTo: default no
>
> Interestingly enough, with that set, the I see this in the logs when
the
> email is processed by MailScanner:
> Jan 3 11:25:41 ad-postfix MailScanner[28089]: Virus and Content
Scanning:
> Starting
> Jan 3 11:25:44 ad-postfix MailScanner[28089]:
>
/var/spool/MailScanner/incoming/28089/./C62F81A65DB.211F7/eicar_com.zip:
> Eicar-Test-Signature FOUND
> Jan 3 11:25:44 ad-postfix MailScanner[28089]: Virus Scanning: ClamAV
> found 1 infections Jan 3 11:25:44 ad-postfix MailScanner[28089]:
> Virus Scanning: Found 1 viruses Jan 3 11:25:44 ad-postfix
> MailScanner[28089]: Filename Checks:
Allowing
> C62F81A65DB.211F7 eicar_com.zip
>
> However, in the headers for the email once it has been received, I see
> this:
> X-Ubisoft-MailScanner: Not scanned: please contact your Internet
E-Mail
> Service Provider for details
>
> So what's the deal? Is it being scanned, or isn't it? The output
from
> MailScanner appears to be suggesting both. :P
>
> --
> _
> °v° Daniel Maher
> /(_)\ Administrateur Système Unix
> ^ ^ Unix System Administrator
>
> SMASH '5' FOR VICTORY!
>
> > -----Original Message-----
> > From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-
> > bounces at lists.mailscanner.info] On Behalf Of Martin.Hepworth
> > Sent: January 3, 2007 10:42 AM
> > To: MailScanner discussion
> > Subject: RE: "Virus Scanning" ruleset being ignored?
> >
> > Daniel
> >
> > Depends on the actual envelope-from in the email not the 'From:'
line
> >
> > Check on the Post MailScanner email. There should be a
> > X-MailScanner-From: header line
> >
> > --
> > Martin Hepworth
> > Snr Systems Administrator
> > Solid State Logic
> > Tel: +44 (0)1865 842300
> >
> > > -----Original Message-----
> > > From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-
> > > bounces at lists.mailscanner.info] On Behalf Of Daniel Maher
> > > Sent: 03 January 2007 15:35
> > > To: MailScanner discussion
> > > Subject: "Virus Scanning" ruleset being ignored?
> > >
> > > Hello all,
> > >
> > >
> > >
> > > I am attempting to set up a very simple ruleset for the "Virus
> > Scanning"
> > > directive. In this ruleset, there is one From address for which
virus
> > > scanning is disabled, followed by a default of yes. I then
pointed
> > the
> > > directive in MailScanner.conf to the path and filename of the
ruleset.
> > > Unfortunately, the ruleset is apparently being ignored.
> > >
> > >
> > >
> > > MailScanner.conf:
> > >
> > > ...
> > >
> > > Virus Scanning = /etc/MailScanner/rules/virus.scanning.rules
> > >
> > > ...
> > >
> > >
> > >
> > > virus.scanning.rules:
> > >
> > > From: somebody at somewhere.org no
> > >
> > > From: default yes
> > >
> > >
> > >
> > > Mail from "somebody at somewhere.org" will still be scanned for
viruses,
> > > however. Following this attempt, I decided to see if the
following
> > simple
> > > ruleset would have any effect:
> > >
> > > FromOrTo: default no
> > >
> > >
> > >
> > > This was also ignored, as all mail was still scanned. The only
way
> > that I
> > > could manage any effect whatsoever was to set the following in
> > > MailScanner.conf:
> > >
> > > Virus Scanning = no
> > >
> > >
> > >
> > > This did exactly what it's supposed to do - though it's hardly the
> > > solution I'm looking for. :P
> > >
> > >
> > >
> > > The permissions on path and filename for the ruleset are fine; in
> > fact,
> > > I'm using another ruleset for a different directive already, in
the
> > same
> > > format (and it works properly). Any ideas on why the new one
doesn't
> > > appear to have any effect would be greatly appreciated. Thank
you!
> > >
> > >
> > >
> > > --
> > >
> > > _
> > > °v° Daniel Maher
> > > /(_)\ Administrateur Système Unix
> > > ^ ^ Unix System Administrator
> > >
> > >
> > >
> > > SMASH '5' FOR VICTORY!
> > >
> > >
> >
> >
> >
> >
> >
> >
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