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. 14, 2025

Filed:

Dec. 19, 2022
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Andrew Low, Stittsville, CA;

Zachary Charles Beckett Pywell, Stamford, GB;

James McConnell, Ottawa, CA;

Nathan James Roane, Gatineau, CA;

Troy E. Fisher, Phoenixville, PA (US);

Dusan Boskovic, Ottawa, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2005.12); H04L 9/40 (2021.12); H04L 61/4511 (2021.12);
U.S. Cl.
CPC ...
H04L 63/0414 (2012.12); H04L 61/4511 (2022.04); H04L 63/1491 (2012.12);
Abstract

DNS request obfuscation includes generating decoy domain name system (DNS) requests for obfuscating DNS request activity being handled by a private DNS server for an organization, and sending the decoy DNS requests to external DNS server(s) for resolution, receiving a DNS request seeking a DNS lookup for a client device, obfuscating the DNS request by sending, to an external DNS server of the external DNS server(s), the DNS request interspersed with at least some of the generated decoy DNS requests sent to the external DNS server, receiving, from the external DNS server, a DNS response to the sent DNS request, and providing the DNS response to a source of the DNS request.


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