John,

BANZIPEXTS is not a practical solution for a service such as ours.  We would block many legitimate messages and this system would only allow for renaming files to get them through virus scanning, which is a bad idea when Windows defaults to hide extensions as it leaves the majority of users without a practical option.

I can't claim perfection, but rule #1 is to deliver the good E-mail, rule #2 is to block the bad.  That will never change for me.

Matt



John Tolmachoff (Lists) wrote:
Matt, even though F-Prot or AVG may not have been catching them (I use both)
banned extensions and BANZIPEXTS along with the Invalid COM and Invalid SCR
certainly caught them. Not one got through.

Thanks Scott and Declude.

John Tolmachoff
Engineer/Consultant/Owner
eServices For You

  
-----Original Message-----
From: [EMAIL PROTECTED]
    
[mailto:[EMAIL PROTECTED]]
  
On Behalf Of Matt
Sent: Monday, July 19, 2004 9:32 PM
To: [EMAIL PROTECTED]
Subject: [Declude.Virus] Burnt by double failure today

Just to expand upon a thread on the JunkMail list, I was burnt today by
a failure in F-Prot to properly detect standard zip file viruses from
the new variant today (it was throwing ERROR 8 until about 6 p.m. EST),
and AVG's issues stemming from broken support of their /ARCW and /RTW
switches essentially means that AVG won't report on zip files containing
viruses and therefore Declude is useless with zip files and AVG version
7.0.251 or later, which is too bad because it appears that AVG released
the new definitions before 90% of this virus traffic hit which was
missed by F-Prot.

The net result of this in combination of a huge outbreak of viruses
today was about 130 of these zip files getting through Declude Virus and
I would imagine that between 10% and 20% of these got through Declude
JunkMail.  The bulk of this happened in just 3 hours.

I wrote AVG about this issue, but I don't think I care to wait for a fix
at this point.  They broke their product 3 ways on June 10th and still
haven't fixed it.  I'm ready to take another look at Clam-AV which was
still having issues with Clamd the last time I checked.  If anyone has
some updated information on the daemon's Window's support and stability,
please chime in.

Matt

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