stopping clamav detecting encrypted zip files

Dhawal Doshy dhawal at
Thu Apr 5 10:44:59 IST 2007

Gareth wrote:
> On Thu, 2007-04-05 at 10:10, Dhawal Doshy wrote:
>> Gareth wrote:
>>> On Wed, 2007-04-04 at 17:04, Aaron K. Moore wrote:
>>>> Are you using the clamavmodule?  I've had the same problem.  There's a
>>>> commandline switch to turn that notice if when using clamscan, but not
>>>> with the module.  I'd suggested earlier that someone should add code for
>>>> clamav, like the code for Sophos that allows you to specify messages to
>>>> ignore.
>>> I think its a bug in Mailscanner. There appears to be code in place in
>>> the routine which calls clamavmodule which disables blocking of
>>> encrypted files if there is a config option 'allowpasszips' set but I
>>> cannot find that option.
>>> Anyway below is a diff which disables blocking of encrypted archives
>>> which is working fine for me.
>>> /usr/lib/MailScanner/MailScanner/
>>> 1069c1069
>>> <                                Mail::ClamAV::CL_SCAN_BLOCKENCRYPTED()
>>> |
>>> ---
>>>> #                               Mail::ClamAV::CL_SCAN_BLOCKENCRYPTED()
>>> |
>> [Quoting Julian from 07/20/2005]
>> If you have MailScanner set to allow password-protected zip and rar 
>> archives, then this option is disabled. If you have it set to block 
>> password-protected archives, then this option is enabled.
>> [Quoting Julian from 07/20/2005]
>> See this thread:
> Thanks. I wanted Mailscanner to block encrypted archives which it does
> well by itself but not to tell clamav to identify encrypted archives as
> viruses.

Of course.. the point i wanted to convey being that it is not a bug, but 
the intended behavio(u)r.

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