How to allow double extension file?

Martin Hepworth maxsec at gmail.com
Mon Jul 16 19:03:43 IST 2012


Put the rules at the top so they get hit first.

Dont forget to restart mailscanner afterwards

Martin

On Monday, 16 July 2012, Chris Stone wrote:

>
> On Mon, Jul 16, 2012 at 10:32 AM, J Gao <jgao at veecall.com<javascript:_e({}, 'cvml', 'jgao at veecall.com');>
> > wrote:
>
>> Hello,
>>
>> I added two lines on the bottom of the filename.rules.conf:
>> allow   \.shp\.xml$                     -       -
>> allow   \.kmz\.kml$                     -       -
>>
>> But the MailScanner still detect them as "Bad Filename" and drop them
>> into quarantine:
>>
>>   MessageID: 5482680A2.A554E
>> Quarantine: /var/spool/MailScanner/quarantine/20120713/5482680A2.A554E
>>      Report: MailScanner: Attempt to hide real filename extension
>> (aral.shp.xml)
>>
>
> Trying making sure to add it above the line:
>
> # Deny all other double file extensions. This catches any hidden filenames.
> allow   \.[a-z][a-z0-9]{2,3}\s*\.[a-z0-9]{3}$   Found possible filename
> hiding                          Attempt to possibly hide real filename
> extension
>
>
> Chris
>


-- 
-- 
Martin Hepworth, CISSP
Oxford, UK
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