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From: Tony Lill (ajlillajlc.waterloo.on.ca)
Date: Fri Apr 27 2001 - 23:43:33 CDT

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    In the misc.rules file from cvs for Version 1.8-beta3 (Build 12), the
    following rule catches normal DNS replys to port 1024 (which one of
    my nameservers just picked for it's query port).

    alert udp $EXTERNAL_NET 53 -> $HOME_NET :1024 (msg:"MISC source port 53 to <1024"; classtype:bad-unknown;) 

    --
Tony Lill,                         Tony.LillAJLC.Waterloo.ON.CA
President, A. J. Lill Consultants        fax/data (519) 650 3571
539 Grand Valley Dr., Cambridge, Ont. N3H 2S2     (519) 241 2461
--------------- http://www.ajlc.waterloo.on.ca/ ----------------
"Welcome to All Things UNIX, where if it's not UNIX, it's CRAP!"

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