Great Circle Associates Firewalls
(March 1995)
 

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Subject: Re: Firewalling DecNet?
From: Mike Minnich <minnich @ wind . es . dupont . com>
Date: Thu, 30 Mar 1995 10:25:31 -0500
To: "Jeffrey C. Ollie" <jeffo @ noc . netins . net>
Cc: firewalls @ greatcircle . com
In-reply-to: Your message of Mon, 27 Mar 1995 09:46:20 CST

> We have a situation in which we need to separate a some machines that need to
> communicate via DecNet protocols (they all run VMS).  One set of machines is
> less trusted than the other and we would like to have some method of
> partitioning the machines with a firewall of some sort.  Even some sort of
> packet filter would be of help.  TCP/IP is not an option.  Does anyone have
> any experience with this sort of thing?  Is it possible, or am I completely
> batty? 

It is possible.  A 2E cisco router can do DECnet packet filtering;
see Chapter 12 of the 9.1 docs.  Basically, you can do the same type
of filtering in the DECnet universe that ciscos can do in the IP universe.

--
Mike Minnich
minnich @
 wind .
 es .
 dupont .
 com




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