US Patent No: 5,935,245

Number of patents in Portfolio can not be more than 2000

Method and apparatus for providing secure network communications

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Importance

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Abstract

A data pattern enforcer provides secure network communications at an adaptor layer by comparing transmitted and received packets to a set of rules to verify that said packets are appropriately being transmitted or received. The data pattern enforcer prevents application or other software with access to an adaptor on a network from using the adaptor for packet sniffing or spoofing. In a specific embodiment, the data pattern enforcer verifies packets at the layer 2 adaptor level using a value bit vector (which may be alterable or may be preset to a value, including to zero), a count value, and a mask to compare to data found in packets.

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First Claim

Related Publications

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.HOUSTON, TX25733

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sherer, William P Sunnyvale, CA 5 158

Cited Art

Patent Info (Count) # Cites Year
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (2)
5,594,869 Method and apparatus for end-to-end encryption of a data packet in a computer network 43 1995
5,752,003 Architecture for managing traffic in a virtual LAN environment 121 1995
 
COMPUTER ASSOCIATES THINK, INC. (1)
5,796,942 Method and apparatus for automated network-wide surveillance and security breach intervention 258 1996

Patent Citation Ranking

Forward Cites

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6,880,090 Method and system for protection of internet sites against denial of service attacks through use of an IP multicast address hopping technique 27 2000