Nmap Development mailing list archives

[BUG?] Setting host ( using h//) based on UDP matchlines


From: Tom Sellers <nmap () fadedcode net>
Date: Thu, 03 Dec 2009 17:25:15 -0600

I had hoped to have this problem sorted out already but I have been buried in work so I wanted to send
this to the list before I forgot.

While working on the UDP probe/match line that Patrik Karlsson sent in I experienced some problems
setting the Hostname value using  h/ / on a matchline.  The matchline reliably captured the host name data
from the service response.
I could set the information value using i/$4/  100% of the time, but I could never set the Hostname value
using  h/$4/.   I tested the same thing on TCP probes and never experienced the problem.

I had intended to replicate this with other UDP probes, build a test case for it and, if it was actually a bug,
fix the problem but have not had time.


Tom
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