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:
Apr. 25, 2023

Filed:

May. 17, 2019
Applicant:

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

Inventors:

Ke Lin, Shenzhen, CN;

Yongcan Wang, Shenzhen, CN;

Yingjun Tian, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/00 (2006.01); H04L 9/40 (2022.01); H04L 43/18 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 43/18 (2013.01); H04L 63/1458 (2013.01); H04L 63/0272 (2013.01); H04L 2463/146 (2013.01);
Abstract

A malicious attack detection method includes receiving, by a controller, a packet-in message sent by a switch, sending, by the controller, an abnormal flow entry to the switch, receiving, by the controller, a triggering count sent by the switch, where the triggering count is a quantity of times that the abnormal flow entry is triggered, and determining, according to the triggering count, whether a malicious attack is initiated.


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