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Re: 19991214: What is the port 113 used for? (fwd)




===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
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---------- Forwarded message ----------
Date: Tue, 14 Dec 1999 13:00:42 -0800
From: Brian High <address@hidden>
To: Mike Schmidt <address@hidden>
Subject: Re: 19991214: What is the port 113 used for? (fwd)

Mike,

Okay, well last night I opened up that port for LAN to WAN (Internet),
and I still got dropped packets, so you have done a good job at explaining
why.  Therefore I also opened up 113 for WAN to LAN access, just in case
the client machine can fill the IDENT request.  However, most of our
machines are Win95/98/NT4.

Since last night, 7 to 8 hosts have tried to get to our LAN for these
services.

What exactly does the client tell the host, anyway?  Finger info?

--Brian High
Network Administrator
Analytical Resources, Inc.


----- Original Message -----
From: Mike Schmidt <address@hidden>
To: Brian High <address@hidden>
<address@hidden>
Sent: Tuesday, December 14, 1999 12:40 PM
Subject: Re: 19991214: What is the port 113 used for? (fwd)


> Brian,
>
> Port 113 supports what is known as an IDENT service.  Basically, it trys
> to determine the remote user of a given client network connection.
> Yesterday, our web server (128.117.149.62) logged several connections from
> mail.arilabs.com (206.129.115.118) to which it attempts a connection on