PATCH SweepViruses.pm - clamavmodule false positives
Julian Field
MailScanner at ecs.soton.ac.uk
Mon Aug 6 15:16:14 IST 2007
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You only actually want to apply the first of the 2 patches, as you only
want to affect the code that scans the *.message and *.header files.
It will be in the next release.
Please can some other people test this and confirm it works reliably?
Gareth wrote:
> Attached is a patch for SweepViruses.pm which fixes the false positives
> issue with Phishing.Heuristics.Email.SpoofedDomain when using
> Clamavmodule and the full message scan option.
>
> It passes the CL_SCAN_PHISHING_DOMAINLIST option which according to the
> clamavmodule source :-
> =item CL_SCAN_PHISHING_DOMAINLIST
> Phishing module: restrict URL scanning to domains from .pdf
> (RECOMMENDED).
>
> I believe that as this option was not previously set it is equivalent to
> the following clamscan option :-
> --no-phishing-restrictedscan
> Enable url-based heuristic phishing detection for all domains
> (might lead to false positives!).
>
> Personally I think CL_SCAN_PHISHING_DOMAINLIST should do the same as
> --no-phishing-restrictedscan and not be the inverse of it. Maybe a bug.
> I will contact the author about it anyway.
>
> I dont really know what this option does exactly but it is a recommended
> setting, its name seems to indicate it is related to the false positives
> I was getting, and setting it does seem to have cured the problem.
>
Jules
- --
Julian Field MEng CITP
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PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654
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