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:
Jul. 04, 2023

Filed:

Feb. 11, 2021
Applicant:

Sonicwall Us Holdings Inc., Milpitas, CA (US);

Inventors:

Hui Ling, Shanghai, CN;

Cuiping Yu, Shanghai, CN;

Zhong Chen, Fremont, CA (US);

Assignee:

SONICWALL INC., Milpitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); H04L 67/104 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1408 (2013.01); H04L 63/0254 (2013.01); H04L 63/168 (2013.01); H04L 63/0245 (2013.01); H04L 63/1416 (2013.01); H04L 67/104 (2013.01);
Abstract

The present disclosure relates to a system, a method, and a non-transitory computer readable storage medium for deep packet inspection scanning at an application layer of a computer. A method of the presently claimed invention may scan pieces of data received out of order without reassembly at an application layer from a first input state generating one or more output states for each piece of data. The method may then identify that the first input state includes one or more characters that are associated with malicious content. The method may then identify that the data set may include malicious content when the first input state combined with one or more output states matches a known piece of malicious content.


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