Newsgroups: comp.protocols.tcp-ip
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: Magic cookies over Telnet
Message-ID: <1990Aug13.173200.16373@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <2432@dino.cs.iastate.edu> <12461@hydra.gatech.EDU>
Date: Mon, 13 Aug 90 17:32:00 GMT

In article <12461@hydra.gatech.EDU> gs26@prism.gatech.EDU (Glenn R. Stone) writes:
>> What I was thinking of doing was passing the magic-cookie [DISPLAY variable]
>>to the remote-end through another Telnet option...
>
>This smells more like what rlogin does...  Telnet doesn't need to be passing
>environment variables, since I might (and do, occasionally) be telnetting
>to a VMS machine, or (angels and ministers of grace defend us) a CYBER...

This is why Telnet options are --> options <--, so that systems which don't
understand a particular option can reject it.  Modern telnet can do
everything rlogin can, and better, and it's a documented standard.
-- 
It is not possible to both understand  | Henry Spencer at U of Toronto Zoology
and appreciate Intel CPUs. -D.Wolfskill|  henry@zoo.toronto.edu   utzoo!henry