Ask for block .jpeg.exe include in .zip extension.

Benedict White via amavis-users amavis-users at amavis.org
Fri Aug 30 09:48:18 CEST 2013


----Original Message-----
From: Watthanachai Kekhua [mailto:watthanachai at ntt.co.th] 
Sent: 30 August 2013 04:34
To: Benedict White; amavis-users at amavis.org
Subject: RE: Ask for block .jpeg.exe include in .zip extension.

Dear Mr.Benedict
CC: Amavisd ML.
>
>	Thank you for your feedback , In my system also enable for banned file checked.
>	Sure I have enable for unzip in below configure,
>
>$banned_filename_re = new_RE(
>	####Add new , Block *.jpeg.exe 
>qr'.\.( cpl|jpeg|)\.exe$'i,   # block exe double extension
>
>@decoders = (
>	 ['zip',  \&do_unzip], 
>
>But after test email with "xxx.jpeg.exe.zip" in maillog show could send to mailbox normally.
>
>>

If the filename was like somefile.jpeg.exe it should have been blocked anyway by default banned
File name for having a .exe final extension.  The file you have however is of the form somefile.jpeg.exe.zip
Which is a different file. If it is actually a zip file it should get unzipped and checked for an exe assuming you
Have an unzipper. (Check what Amavisd reports as it starts up).

I have left the banned_file checks as default (other than actually turning them on) and it works fine.

Kind regards


Benedict White



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