On 06/01/2009 08:54 PM, Terry Carmen wrote:
>> I am experiencing problems with some spam-mail that causes amavisd to
>> hang forever. Maybe it has some problems when running spamassassin, at
>> least in many cases the last debug-output is from spamassassin. However,
>> when manually feeding the mail to spamassassin, everything works fine.
>>
>> Additionally, the following error is output:
>>
>> *** glibc detected *** amavisd (ch1-30412-01): free(): invalid next size
>> (normal): 0x0def2e28 ***
>>
>> The corresponding process never recovers and has to be killed with -9.
[...]
> Until someone comes up with a solution, you can ban ZIPs by un-commenting the
> following line in amavisd.conf and restarting amavis.
> 
> # qr'^\.zip$',                            # block zip type

I think this won't work because it first unzips the file before applying
banned_filename_re. I tried similar approach using $banned_namepath_re.

"P=p003,L=1,M=multipart/mixed |
P=p002,L=1/2,M=application/zip,T=zip,N=ecard.zip |
P=p004,L=1/2/1,T=exe,T=exe-ms,N=ecard.exe"

The only way I found so far is to disable zip in @decoders.

Cheers,
--leo
-- 
e-mail   ::: Leo.Bergolth (at) wu.ac.at
fax      ::: +43-1-31336-906050
location ::: IT-Services | Vienna University of Economics | Austria


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