That worked!  I changed the ratio to 1000 from 300 and the zip file came
right through.
thank you so much for explaining the compression differences -- that's
exactly what I needed.

thanks again!

Laura
----- Original Message -----
From: "Mitch (WebCob)" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, September 02, 2004 5:55 PM
Subject: RE: [Clamav-users] OverSize.Zip file


> Winzip reports the AVERAGE and clam uses the PEAK value... try bumping up
> the value to two or three times that amount:
> ArchiveMaxCompressionRatio from 1000
> to test this... the culprit could be an ascii file with a lot of white
space
> that is hugely compressible.
>
> m/
>   -----Original Message-----
>   From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Laura
> Penhallow
>   Sent: Thursday, September 02, 2004 2:55 PM
>   To: [EMAIL PROTECTED]
>   Subject: [Clamav-users] OverSize.Zip file
>
>
>   I apologize in advance if this is something easy, but I am at my wits
end.
> We have a customer that needs to receive rather large zip files from a
> client of theirs.
>   Trouble is -- clam keeps classifying the attachment as an OverSized.Zip
> virus and rejects it.
>
>   The zip file is ~8.7 mb contains 1506 files and winzip reports 78 %
> compression.
>   We're running Clam v 0.74
>   I have been googling and reading other posts and I have made the
following
> changes to clamav.conf
>
>   Changed --  ArchiveMaxFileSize from 10M to 20M
>   Changed -- ArchiveMaxFiles from 1000 to 2000
>   Changed -- ArchiveMaxCompressionRatio from 200 to 300
>
>   Still no luck.  Is there something I am missing??
>
>   thanks in advance
>
>   Laura
>



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