On Fri, 2004-02-20 at 09:54, Doug Monroe wrote:
> Greg is/was using F-Secure, but wrt to clamscan use, it might be 
> advisable to add the -m flag to clamuko_options (Jason?)
> 

Nope - I have a better answer :-)

1.21 will check the body of the message for the presence of "MIMEiness"
- if it finds it, it will force Q-S to assume the message has
attachments, and run the virus scanners over it.

Note: NONE OF THIS IS NEEDED!!!

There is no problem. As far as I can tell, when such a bounce message
gets to an end-user, all they see is a raw text message - no attachments
- no virus. As such the fact that other AV systems say there is a virus
is debatable. I'd say as the user cannot possibly be infected without
good access to MIME internals and an editor, it isn't a virus!

I mean, if I shoved the EICAR test virus string in this sentence, should
a virus scanner claim it found it or not? I'd say as the string isn't in
a file called EICAR.COM, it isn't the virus. But indeed, some virus
scanners would say it was viral!

Different vendors - different approaches.

Anyway, I am swallowing my moral high ground on this one and 1.21 will
attempt to detect such bounced messages - but it is still up to the
actual AV systems to find the virus...

(Doug: as far as the "-m" option WRT ClamAV goes - let me have a look at
that - it's a separate, specific issue)

Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1




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