Denial of service protection through port hopping

Details Denial of service protection through port hopping Denial of service protection through port hopping

H - Electricity

04

L

H04L 12/24 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2498159

The present invention is directed to protecting network resources from unauthorized data packet streams. In particular, embodiments of the present invention provide for a port hopping arrangement in which a port pair associated with a communication channel is changed intermittently or periodically. In order to prevent the loss of authorized data packets due to network delay and jitter, a period of overlap during which a port and a successive port both accept data packets may be provided. Ports may be selected for use by providing endpoints to a communication with a common algorithm and seed value.

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