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:
Aug. 25, 2026

Filed:

Aug. 05, 2024
Applicant:

Kigen (Uk) Limited, Cambridge, GB;

Inventor:

Jerry Chun-Pai Jun, Safety Harbor, FL (US);

Assignee:

Kigen (UK) Limited, Cambridge, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 43/103 (2022.01);
U.S. Cl.
CPC ...
H04L 43/103 (2013.01);
Abstract

A polling apparatus comprises message issuing circuitry configured to issue at least one polling message over a network to a polled device. Polling filtering circuitry is responsive to a polling trigger requesting that the message issuing circuitry issues a given polling message to determine whether an active domain name system (DNS) server belongs to a set of one or more polling permitted DNS servers. In response to determining that the active DNS server does not belong to the set of polling permitted DNS servers, the polling filtering circuitry is configured to prohibit the message issuing circuitry from issuing the given polling message.


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