Great Circle Associates Firewalls
(March 1995)
 

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Subject: Re: FW-1, etc.
From: lavondes @ tidtest . total . fr (Michel Lavondes)
Date: Tue, 7 Mar 95 10:09:22 GMT
To: patrick @ oes . amdahl . com (Patrick Horgan)
Cc: root @ mmp . com, firewalls @ greatcircle . com (fw)
In-reply-to: <9503061900 . AA10315 @ brittany . oes . amdahl . com>; from "Patrick Horgan" at Mar 6, 95 11:00 am
Reply-to: lavondes @ tidtest . total . fr

Patrick Horgan wrote :
> 
> 
> > From mmp .
 com!mmp .
 com!root @
 news .
 cts .
 com Mon Mar  6 09:10 PST 1995
> > 
> > 	Multicasted packets also pose serious threat to IP filtering as the
> > architecture of the packet is an IP packet WITHIN another IP packet.  The 
> > [snip]
> 
> You know I don't think you really understand how multicasting works.  It's
> just another ip packet with a class D address, and routers that know how
> [snip]

I vaguely remember seeing somewhere (in a RFC ?) that IP within IP is
used for something, even if not for multicasting. Does that ring a bell
with anyone ?
-- 
Michel Lavondes          |It's is not, it isn't ain't, and it's it's, not its,
lavondes @
 tidtest .
 total .
 fr|if you mean it is. If you don't, it's its. Then too,
Tel : +33-1-4135-4198    |it's hers. It isn't her's. It isn't our's, either.
#include <disclaimer.h>  |It's ours, and likewise yours and theirs.


Follow-Ups:
References:
Indexed By Date Previous: Re[2]: FW-1, etc.
From: brian @ imcon . ilinx . com
Next: Re: IPX traffic through a firewall
From: Dave Hodgkinson <daveh @ fusion>
Indexed By Thread Previous: Re: FW-1, etc.
From: patrick @ oes . amdahl . com (Patrick Horgan)
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From: greep @ datatools . com (Steven Tepper)

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