[Snort-sigs] False Positive for SID 1322: bad frag bits

Sam Gorton sgorton at ...1636...
Thu Jun 26 11:54:10 EDT 2003


I saw SID 1322 pretty consistently between Linux hosts communicating 
via NFS. Apparently Linux sets the DF bit on fragments while doing UDP 
PMTU discovery, a matter of some controversy and a definite false 
positive situation.

Reference: http://kerneltrap.org/node.php?id=579

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Sam Gorton                |   Skaion Corporation
sgorton at ...1636...   |   (781) 396-1095






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