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.

Date of Patent:
May. 21, 2013

Filed:

Nov. 29, 2012
Applicant:

Huawei Technologies Co., Ltd, Guangdong, CN;

Inventors:

Huaguo Xie, Shenzhen, CN;

Tong Zhou, Shenzhen, CN;

Mingxia Wang, Shenzhen, CN;

Jie Wu, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/12 (2006.01); H04L 12/58 (2006.01);
U.S. Cl.
CPC ...
Abstract

A TCP proxy insertion and uninstall method is provided, including: during establishment of a TCP connection, forwarding a TCP connection establishing packet between a TCP client and a TCP server through an L3, and recording option information and sequence number information of the TCP connection establishing packet; performing determination on a packet according to a proxy policy; forwarding the received packet if it is determined that no proxy process is required for the packet, and updating the recorded sequence number information according to sequence number information of the received packet; and generating a client pseudo socket and a server pseudo socket according to the option information and sequence number information if it is determined that a proxy process is required for the packet, terminating the received packet by adopting the client pseudo socket and server pseudo socket, processing the terminated packet through an L7 and forwarding the processed packet.


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