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Date:      Mon, 27 Feb 95 11:11:10 MST
From:      terry@cs.weber.edu (Terry Lambert)
To:        root@mclo10.weber.edu (Bob Resino)
Cc:        freebsd-bugs@FreeBSD.org
Subject:   Re: your mail
Message-ID:  <9502271811.AA02437@cs.weber.edu>
In-Reply-To: <199502271756.MAA18028@mclo10> from "Bob Resino" at Feb 27, 95 12:56:32 pm

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> 
> Does anyone have any idea why Communications Machine Company
> (CMC) Nics on AT&T 3B2's running the CMC Telnetd refuse 
> connection from my FreeBSD host ?  There is a note in the 
> man (8) page for telnetd (CMC) that states there is extensive 
> negotiation testing for the early troublesome 4.2 BSD telnet.
> 
> Any help is appreciated.

The idea is that option negotiation order will allow you to tell if
you are talking to a 4.2 or a 4.3 telnet -- in reality, the 4.2 and
4.3 differences are a result of the differences in OOB data handling
between the releases.

In particular, 4.2 flubbed the urgent packet handling rather badly;
so with those systems, you want to not use urgent packets.


This should not effect your ability to connect to CMC.


Are you sure that you have the BSD box set up correctly in your
local domain name services database?  If the CMC telnetd can't do
a getpeername successfully, it'll probably refuse the connection.

This is *a* possible cause of your symtoms, and not *the* only
possible cause.


					Terry Lambert
					terry@cs.weber.edu
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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