From owner-freebsd-security  Fri May 21  1:38:51 1999
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From: Andrew Kenneth Milton <akm@mail.theinternet.com.au>
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Subject: Re: Server trying to connect to Port 113
In-Reply-To: <001f01bea364$57d9c820$380051c2@greg.qmpgmc.ac.uk> from Greg Quinlan at "May 21, 1999  9:31:37 am"
To: greg@qmpgmc.ac.uk
Date: Fri, 21 May 1999 18:39:05 +1000 (EST)
Cc: freebsd-security@FreeBSD.ORG
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+----[ Greg Quinlan ]---------------------------------------------
| I am not on the mailing list so please include me in your reply.
| 
| Can someone explain what this remote system is trying to do?
| 
| May 21 09:22:14 amanda /kernel: ipfw: 24110 Deny TCP <their ip>:1937 <our
| ip>:113 in via fxp1
| May 21 09:22:35 amanda last message repeated 3 times
| 
| Extract from /etc/services
| 
| auth            113/tcp    ident tap    #Authentication Service
| auth            113/udp    ident tap    #Authentication Service
| 
| Greg

Authenticate a user. -- ala identd or pidentd.

Given a socket port on both ends, identd returns the username that
is connected to that socket.

This is used most commonly by IRC servers, but is also used by web-proxies.

-- 
Totally Holistic Enterprises Internet|  P:+61 7 3870 0066   |  Andrew
The Internet (Aust) Pty Ltd          |  F:+61 7 3870 4477   |  Milton
ACN: 082 081 472                     |  M:+61 416 022 411   |72 Col .Sig
PO Box 837 Indooroopilly QLD 4068    |akm@theinternet.com.au|Specialist


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