Undetectable firewall

Details Undetectable firewall Undetectable firewall

2006-08-29

2006-08-29

Revak, Christopher (Department: 2131)

Information security

Access control or authentication

Network

C726S022000, C709S224000

Reexamination Certificate

active

07100201

ABSTRACT:
An undetectable firewall for network protection has been developed. The invention includes a method of preventing unauthorized access to a computer system. The firewall receives a data packet and copies its contents exactly. Next, the firewall analyzes the data packet and determines if it is authorized to access the network. If the packet is authorized to access the network, it is sent on to its destination. If the packet is unauthorized to access the network, it is dropped by the firewall.

REFERENCES:
patent: 5606668 (1997-02-01), Shwed
patent: 6141755 (2000-10-01), Dowd et al.
patent: 6400707 (2002-06-01), Baum et al.
patent: 2003/0135625 (2003-07-01), Fontes et al.
patent: 2005/0289647 (2005-12-01), Izatt et al.
Brandon Gillespie, “Stealth Firewalls,” SANS Institute, Apr. 10, 2001.
David Newman, “Super Firewalls!”, Data Communications, May 21, 1999, CMP Media, Inc.
“Recourse Releases Man Trap Covert Security Software”, Oct. 4, 1999, Newswire.
Matsumoto, Craig, “Fast Hardware Firewall Runs on NSA Technology”, Electronic Engineering Times, Oct. 16, 2000, CMP Media, Inc.

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