Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Reexamination Certificate
2005-12-27
2005-12-27
Wright, Norman M. (Department: 2134)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Protection at a particular protocol layer
C713S152000, C702S188000
Reexamination Certificate
active
06981158
ABSTRACT:
A system and method for performing source path isolation in a network. The system comprises an intrusion detection system (IDS), a source path isolation server (SS1) and at least one router configured to operate as a source path isolation router (SR1) operating within an autonomous system. When IDS detects a malicious packet, a message is sent to SS1. SS1in turn generates a query message (QM) containing at least a portion of the malicious packet. Then, QM is sent to participating routers located one hop away. SR1uses the query message to determine if it has observed the malicious packet by comparing it with locally stored information about packets having passed through SR1. SR1sends a reply to SS1, and SS1uses the reply to identify the ingress point into the network of the malicious packet.
REFERENCES:
patent: 6154879 (2000-11-01), Pare et al.
patent: 6311273 (2001-10-01), Helbig et al.
patent: 6356859 (2002-03-01), Talbot et al.
patent: 2004/0103315 (2004-05-01), Cooper et al.
Stefan Savage, David Wetherall, Anna Karlin and Tom Anderson, Practical Network Support for IP Traceback, Proc. ACM Sigcomm 2000, Stockholm, Sweden, Aug. 2000, 12 pages.
Beverly Schwartz, Alden W. Jackson, W. Timothy Strayer, Wenyi Zhou, R. Dennis Rockwell and Craig Partridge, Smart Packets: Applying Active Networks to Network Management, ACM Trans. On Computer Systems, vol. 18, No. 1, Feb. 2000, pp. 67-88.
Partridge Craig
Sanchez Luis
Strayer William Timothy
BBNT Solutions LLC
Ropes & Gray LLP
Wright Norman M.
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