Network attack detection

G - Physics – 06 – F

Patent

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G06F 21/00 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2600517

A method and apparatus are provided for detecting attacks on a data communication network. The apparatus includes a router with a mechanism for monitoring return messages addressed to an originating user system local to the router. The mechanism includes a message checker for identifying a return message of a specified nature and a rerouter for temporarily routing subsequent messages from the originating user system to the intrusion detection sensor.

L'invention concerne un procédé et un dispositif destinés à détecter des attaques sur un réseau de communication de données. Le dispositif comprend un routeur doté d'un mécanisme de surveillance de messages de retour adressés à un système utilisateur source local par rapport au routeur. Ce mécanisme comprend un vérificateur de messages destiné à identifier un message de retour d'une nature spécifiée et un dispositif de réacheminement destiné à acheminer temporairement les messages suivants en provenance du système utilisateur source vers le détecteur d'intrusion.

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