Techniques for preventing attacks on computer systems and...

Details Techniques for preventing attacks on computer systems and... Techniques for preventing attacks on computer systems and...

2006-12-26

2010-11-09

Trost, IV, William (Department: 2472)

Information security

Monitoring or scanning of software or data including attack...

C370S241000, C370S252000, C370S351000, C370S389000, C370S400000, C370S401000, C709S238000

Reexamination Certificate

active

07832009

ABSTRACT:
Techniques for detecting and responding to attacks on computer and network systems including denial-of-service (DoS) attacks. A packet is classified as potentially being an attack packet if it matches an access control list (ACL) specifying one or more conditions. One or more actions may be performed responsive to packets identified as potential attack packets. These actions may include dropping packets identified as potential attack packets for a period of time, rate limiting a port over which the potential attack packets are received for a period of time, and other actions.

REFERENCES:
patent: 7028098 (2006-04-01), Mate et al.
patent: 7619971 (2009-11-01), Siva et al.
patent: 2005/0157647 (2005-07-01), Sterne et al.
patent: 2007/0022479 (2007-01-01), Sikdar et al.
http://www.cert.org/tech—tips/denial—of—service.html, “CERT® Coordination Center, Denial of Service Attacks,” 9 pages, © 1997, 1998 Carnegie Mellon University (printed on Dec. 26, 2006).
http://en.wikipedia.org/wiki/Denial-of-service—attack, “Denial-of-service attack,” 7 pages, page last modified 2:57, Jun. 25, 2006 (printed on Jun. 26, 2006).

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