Great Circle Associates Firewalls
(February 1995)
 

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Subject: Re: UDP port significance
From: Robert Sargent <sargent @ SGT . COM>
Date: Mon, 13 Feb 1995 12:42:41 -0500
To: firewalls @ GreatCircle . COM, sotiris . baxevanis @ intelsat . int

sotiris .
 baxevanis @
 intelsat .
 int wrote:

> Hello, lately I have noticed connection attempts to the folloing UDP ports 
> 
> 33439, 33440, 33501-03, 33459-61, 33465-67, 33474-76, 36870, 36895, 49546-48
> 
> anything significant about these ports?

traceroute uses UDP port 33434 (by default) for its first hop and then
adds one for each hop, so your port 33439 may have been accessed by someone
6 hops away.  This may explain 33434 (plus [maybe] 30) if the originator
used the defaults for traceroute.

Regards-
Robert

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