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Re: Port 0 packets

From: Andreas Östling (andreasoit.su.se)
Date: Fri Jul 25 2003 - 13:18:38 CDT


On Thu, 24 Jul 2003, Dave Paris wrote:

> Our IDS spotted another TCP port 0 packet at 19:59pm UTC today
> (Thursday). Headers follow:
>
> [**] (snort_decoder): T/TCP Detected [**]
> 07/24-19:59:51.308749 216.136.173.246:0 -> xxx.xxx.xxx.xxx:0

In case you don't know, snort has a bug (or had - I don't know if it has
been fixed now) that would make those alerts generated by the snort
decoder to always have the ports set to 0 since those values weren't yet
assigned at that stage.
See http://marc.theaimsgroup.com/?l=snort-devel&m=105698697005259&w=2

/Andreas

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