Great Circle Associates Firewalls
(August 1994)
 

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Subject: Re: NetBSD telnet has source routing abilities by default?
From: Tim Newsham <newsham @ uhunix . uhcc . Hawaii . Edu>
Date: Thu, 4 Aug 1994 08:47:07 -1000
To: chrisp @ max . tiac . net (Chris Patti { Feoh })
Cc: firewalls @ GreatCircle . COM
In-reply-to: <199408040614 . CAA21894 @ max . tiac . net>; from "Chris Patti { Feoh }" at Aug 3, 94 8:14 pm

> 
> This strikes me as being a bit on the scary side. Do we really want all the
> users of NetBSD telnet to have the ability to source route without so much
> as a recompile?

What is the big threat in a source-routed telnet?  

It is quite easy to write source routed apps for BSD based systems
so even if telnet didnt support source-routing it could easily be
added.  At least NetBSD's rlogind will drop all connections that
are using source routing which is better than I can say for most
rlogind's.

> -Chris Patti
> chrisp @
 max .
 tiac .
 net
> chrisp @
 icad .
 com



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