[Mimedefang] File Magic

Lucas Albers admin at cs.montana.edu
Wed Dec 3 17:31:51 EST 2003


The whole point of blocking attachment is to block virus's.
If they rename the extension, then the executable will not execute
automatically, and you have then blocked the virus.
See my earlier post on how to do this using file::magic.

> I am already discarding filenames based on extension, but some of my users
> are learning to change extensions to get past the re_match check.
>
> Good idea?  Bad idea?  Should I just shut up and try it?
>
> --
> [------------------------------------------------------------------------]
> [Jared Armstrong                                     System Administrator]



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