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Cisco Bug: CSCsy88174 - ESMTP inspection "match MIME filetype" matches on file content as well

Last Modified

Nov 08, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

8.0(4.27)

Description (partial)

Symptom:
Using the <cmdbold>match MIME filetype regex<nocmdbold> command to drop SMTP connections based upon a MIME filetype may also drop connections based on the content of the files.

Conditions:
This occurs when an extended ESMTP inspection map is configured to look for specific MIME Filetypes to block.
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