Denial of service defense by proxy

Details Denial of service defense by proxy Denial of service defense by proxy

2007-01-09

2007-01-09

Song, Hosuk (Department: 2135)

Information security

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

Intrusion detection

C709S224000, C709S225000

Reexamination Certificate

active

10201244

ABSTRACT:
A method for defending a host, which is coupled to the Internet via a defensive firewall/router, against a denial of service attack, comprises periodically determining the status of the host; storing the status of the host; receiving at the defensive firewall/router a request from an entity on the Internet for service from the host; and responding to the entity in accordance with the stored status. The period that is set is not related to the request.

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patent: 2003/0023712 (2003-01-01), Zhao et al.
patent: WO 200178278 (2001-10-01), None
Strom, The Packet Filter: A Basic Network Security Tool, http://cjlab.altervista.org/security/Firewalls/packet—filter—basics.pdf/pages1-4.

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