[FW-1] FW doing a NBNAME port scan

[Ed Davidson <EDAVIDSON@FW1-NOSPAMPRIMEINC.COM>]

What would cause NT 4.0, FW1 4.1 SP4 to do a port NBNAME port scan?

My logs show about 3 times a minute, the source is the firewall - the destination
is a private network that doesn't exist -  and it's blocked by rule 0.
It started with 172.21.x.x and is up to 172.23.x.x.

This started happening about 1 week ago.

I have current antivirus patterns on this machine, and it shows clean.  I haven't made
any changes to this setup for a while.


http://www.primeinc.com
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