Patent · US Active

Distributed TCP SYN flood protection

US9742732B2 · kind B2 · utility

3Cited by

5References

20Claims

0Family size

Assignee

vArmour Networks, Inc. · US

Inventors

Yi Sun · San Jose, US
Meng Xu · San Jose, US
Lee Cheung · Newbury Park, US
Choung-Yaw Shieh · Palo Alto, US

Key dates

Filing date	Mar 11, 2013
Grant date	Aug 22, 2017
Priority date	—
Expiry date	Mar 2, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04L63/1458
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method and apparatus is disclosed herein for TCP SYN flood protection. In one embodiment, a TCP SYN flood protection arrangement comprises a first device operable to process packet input and output functions, including performing sender verification with respect to a connection initiation from a sender for a first TCP connection between the sender and a destination server and a second device, separate from the first device, to perform one or more security processing operations on packets of the first TCP connection from the sender after the first device verifies the sender is legitimate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.