Great Circle Associates Firewalls
(October 1996)
 

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Subject: port 113
From: jconnary @ shepards . com
Date: Thu, 24 Oct 96 16:12:47 MDT
To: firewalls @ greatcircle . com

Hi,

	can anyone tell me please what port 113 is used for. Cheswick and 
Bellovin say it
is called "auth" and is generally safe. I see alot of requests to this port 
from various locations. Is this
something to be alarmed about. We are running an ANS Interlock version 4.0 on 
Solaris 2.5. The message I
get in my log files looks like:

Oct 24 14:36:51 inbound unix: FROM=199.171.006.012, TO=192.104.069.008, 
PORT=113 
, PROT=tcp, MSG=Unused Port Probe 

Thanks,
Julie Ann Connary
Network Specialist
Shepard's McGraw-Hill
719-481-7383 (FAX: 719-488-5135)


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