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|United States Patent||5,825,891|
|Levesque , et al.||October 20, 1998|
The invention features a method for enabling computers to communicate using encrypted network packets. A configuration request is sent over a network from a first computer to a second computer, and tunnel record information is sent over the network from the second computer to the first computer. The tunnel record information is encrypted in accordance with a temporary configuration password. The invention also features a method for updating a tunnel record. A connection request is sent from a first computer to a second computer, and the first computer is authorized. A tunnel record corresponding to the connection request with the first computer's network address is then updated.
|Inventors:||Levesque; Roger H. (Tewksbury, MA); Kraemer; Jeffrey A. (Northboro, MA); Nadkarni; Ashok P. (Shrewbury, MA)|
|Assignee:||Raptor Systems, Inc. (Waltham, MA)|
|Filed:||October 29, 1997|
|Current U.S. Class:||713/153|
|Intern'l Class:||H04L 009/00|
|Field of Search:||380/23,49 370/406,466|
|5099517||Mar., 1992||Gupta et al.||380/49.|
|5161193||Nov., 1992||Lampson et al.||380/49.|
|5235644||Aug., 1993||Gupta et al.||380/49.|
|5442708||Aug., 1995||Adams, Jr. et al.||380/49.|
|5444782||Aug., 1995||Adams, Jr. et al.||380/49.|
|5548646||Aug., 1996||Aziz et al.||380/23.|
"Internet Portal, Version 1.1", pp. 1-16, Digital Equipment Corp., May 18, 1990.
"Digital Internet Tunnel V 1.0" pp. 1-3 Digital Equipment Corp., Nov. 15, 1995.
"Internet Security: Screening External Access Link Seal", Digital Equiment Corp pp. 1-2, May 1, 1994.
World Wide Web document of Digital Equipment Corprration's tunneling product, Jan. 1996.
Kerberos Network Authentication Service (V5), Digital Equipment Corporation, pp. 1-106, Sep. 1993.
swIPe IP Security Protocol, Columbia University and AT&T, John Ioannidis and Matt Blaze, Dec. 1993.
Security Architecture for the Internet Protocol, R. Atkinson, Naval Research Laboratory, pp. 1-44, Aug. 1995.
IP Authentication Header, R. Atkinson, Naval Research Laboratory, pp. 1-26, Aug. 1995.
IP Encapsulating Security Payload (ESP), R. Atkinson, Naval Research Laboratory, pp. 1-24, Aug. 1995.
The Photuris Session Key Management Protocol, P. Karn, Qualcomm, W.A. Simpson, DayDreamer, pp. 1-106, Nov. 1995.
Simple Key-Management For Internet Protocols (SKIP), Ashar Aziz, et al. Sun Microsystems, Inc., pp. 1-72, Dec. 1995.
Internet Security Association and Key Management Protocol (ISAKMP), Douglas Maughan and Mark Schertler, National Security Agency, pp. 1-117, Nov. 1995.
U.S. Patent Application Serial No. 08/561,790, filed Nov. 22, 1995, Kirby et al.--Controlling Passage Of Packets Or Messages.
U.S. Patent Application Serial No. 08/585,765, filed Jan. 12, 1996, Kirby et al.--Data Encryption/Decryption For Network Communication.
U.S. Patent Application Serial No. 08/586,230, filed Jan. 12, 1996, Kirby et al.--Transferring Encrypted Packets Over A Public Network.