DOS attack mitigation using upstream router suggested remedies

Details DOS attack mitigation using upstream router suggested remedies DOS attack mitigation using upstream router suggested remedies

2007-08-07

2007-08-07

Peeso, Thomas (Department: 2132)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C713S164000, C713S165000, C713S166000, C713S168000

Reexamination Certificate

active

10659341

ABSTRACT:
Systems and methods of mitigating DOS attacks on a victim node in a computer based communication system are presented. According to the methods a node such as a router upstream from the victim analyzes traffic flow directed to the victim node and if a pattern indicating a possible attack is detected a notification to the effect is sent to the victim node. The victim can either ignore the notification or chose to suggest or request attack mitigation measures be implemented by the upstream router. Alternatively the upstream router can implement attack mitigation measures without waiting for input from the victim node.

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patent: WO 02/03653 (2002-01-01), None
patent: WO 03/005665 (2003-01-01), None
Mahajan, Ratul et al: “Controlling High Bandwidth Aggregates in the Network”, Computer Communication Review, Association for Computing Machinery. New York, US, vol. 32, No. 3, Jul. 2002, pp. 62-73.
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Mahajan, Ratul et al, “Controlling High Bandwidth Aggregates in the Network”, AT&T Center for Internet Research at ICSI (ICIRI) and AT&T Labs Research, Jul. 13, 2001 (12 pages).

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