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:
Feb. 11, 2025

Filed:

May. 10, 2023
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Yanping Xu, Beijing, CN;

Liang Xia, Shenzhen, CN;

Xiaohui Tong, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 61/5007 (2022.01); H04L 9/40 (2022.01); H04L 101/659 (2022.01);
U.S. Cl.
CPC ...
H04L 61/5007 (2022.05); H04L 63/1416 (2013.01); H04L 2101/659 (2022.05); H04L 2463/146 (2013.01);
Abstract

A packet processing method and apparatus are provided. The method includes: on a forwarding path of an IPv6 packet, a key node (for example, a firewall) signs a packet, and a downstream apparatus of the key node verifies the signature, to determine whether the packet passes through the key node in a forwarding process. According to this application, the key node performs checking, to effectively prevent a packet which packet header is modified by attackers from bypassing the key node.


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