Prevention of denial of service (DoS) attacks on session initiation protocol (SIP)-based systems using return routability check filtering

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United States of America Patent

PATENT NO 8966619
APP PUB NO 20080222724A1
SERIAL NO

11557740

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Abstract

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A device receives an attack on a Session Initiation Protocol (SIP)-based device, determines a type of the attack, and applies, based on the determined type of the attack, a return routability check filter to the attack.

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Patent Owner(s)

  • VERIZON PATENT AND LICENSING INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ormazabal, Gaston S New York, US 25 786
Patnaik, Somdutt B West New York, US 2 70
Schulzrinne, Henning G Leonia, US 29 1373
Yardeni, Eilon Brooklyn, US 6 125

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