RE: yet another worm [block attachments by extension?]

At 11:59 AM 7/26/2004, Eric Chamberlain, CISSP wrote:
>Should the campus discuss appending a warning message or blocking
>attachments that end with: .exe, .com, .bat, .cmd, .pif, .scr, .vbs, .js,
>and .wsf?

At 12:40 -0700 2004-07-26, Steven Longenbohn wrote:
>I think this is a good idea.

   Regardless of the merits of such a practice, some other US
universities are blocking (in some manner) the delivery of messages
containing attachments whose filenames end in certain executable
and/or archive file extensions, or are stripping these attachments
before these messages are delivered.

   The following are some representative websites - from just the
first two pages of results from a Google search - that declare that
their institutions are blocking attachments with a specified set of
filename extensions, either on central or departmental mail servers:

   http://www.fas.harvard.edu/computing/block
   http://www.cs.brown.edu/system/email/antivirus.html
   http://www.camden.rutgers.edu/HELP/Documentation/Email/virus-spam.html
   http://www.ssri.psu.edu/help/filter.htm
   http://www.utexas.edu/its/messaging/faq.html
   http://www.tcf.ua.edu/mm/SpamAssassinDocs.htm
   http://currents.ucsc.edu/03-04/03-15/zip.html
   http://uhaweb.hartford.edu/www/emailattach.html

   From a quick glance at subsequent pages of the search results, it
appears there are likely many others doing this ...

Aron

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Received on Mon Jul 26 13:04:14 2004