Great Circle Associates Firewalls
(June 1997)
 

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Subject: Re: Stateful Packet Filters vs. Proxies
From: Geoff Mulligan <geoff @ mulligan . com>
Date: Mon, 09 Jun 1997 12:30:22 -0600
To: "Simon J. Gerraty" <sjg @ quick . com . au>
Cc: Ryan Russell/SYBASE <Ryan . Russell @ sybase . com>, firewalls @ greatcircle . com
In-reply-to: Your message of "Sat, 07 Jun 1997 16:19:41 +1000." <199706070619 . QAA25566 @ zen . quick . com . au>

sjg @
 quick .
 com .
 au said:
> One thing to note - SPF and crypto do not mix. 

What!  Certainly SPF and crypto do mix.  Take a look at Sunscreen.  It is a 
stateful packet screen AND supports strong crypto through the use of SKIP.

Maybe you meant to say that NAT and crypto do not mix, but again depending on 
the configuration NAT and crypto can be used together.  Again check out 
sunscreen from Sun.  www.sun.com/security or www.sunscreen.com

And Ryan, Sunscreen SPF does support NAT in a bridging environment.

	geoff




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