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:
Jun. 16, 2026

Filed:

Dec. 13, 2023
Applicant:

Palo Alto Networks, Inc., Santa Clara, CA (US);

Inventors:

Ruian Duan, Santa Clara, CA (US);

Daiping Liu, Sunnyvale, CA (US);

Zihang Xiao, Los Gatos, CA (US);

Assignee:

Palo Alto Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 63/1416 (2013.01); H04L 63/145 (2013.01);
Abstract

Various embodiments provide a system, method, and device for applying a DNS activity classification framework. The method incudes (i) collecting DNS-related activity, (ii) determining whether the DNS-related activity is associated with a DNS tunneling campaign or tool, and (iii) performing an active measure in response to detecting DNS traffic associated with a tunneling domain.


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