The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2017
Filed:
Mar. 11, 2013
Yi Sun, San Jose, CA (US);
Meng Xu, Los Altos, CA (US);
Lee Cheung, Foster City, CA (US);
Choung-yaw Michael Shieh, Palo Alto, CA (US);
Yi Sun, San Jose, CA (US);
Meng Xu, Los Altos, CA (US);
Lee Cheung, Foster City, CA (US);
Choung-Yaw Michael Shieh, Palo Alto, CA (US);
VARMOUR NETWORKS, INC., Santa Clara, CA (US);
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.