Yes, in a sense. Check Point's patent should cover their particular method
(INSPECT, etc.) for performing "stateful inspection". But recording IP
address information, and using that information to track connections can be
done many different ways. There are, therefore, other firewalls that
perform similar functions, and perhaps even some that have licensed
"stateful inspection" from Check Point [speculation, I have not confirmed
this]. Microsoft's ISA server performs this, as does Stonesoft's StoneGate
high availability firewall and VPN solution, for example.
----------------------------------------------------------------
Mark Boltz Stonesoft Inc.
Senior Network Security Specialist 115 Perimeter Center Place
[EMAIL PROTECTED] South Terraces, Suite 1000
Tel: +1 770 668 1125 Atlanta, GA 30346
Cel: +1 404 386 8500 USA
Fax: +1 770 668 1131 http://www.stonesoft.com
Support: 1-866-435-7324 (US Toll Free)
Support: 1-678-259-3400
"Bryan Morris"
<[EMAIL PROTECTED]> To:
[EMAIL PROTECTED]
Sent by: cc:
[EMAIL PROTECTED] Subject: [FW1] Can
other firewalls do stateful inspection?
kpoint.com
07/11/2001 02:00 PM
Hi,
According to www.checkpoint.com/press/1997/patent2.html, Checkpoint owns
the
patent on stateful inspection.
With that, can other firewalls do stateful inspection?
Bryan
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