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.
Patent No.:
Date of Patent:
Oct. 21, 2025
Filed:
Sep. 11, 2023
Netscout Systems, Inc., Westford, MA (US);
Brian St. Pierre, Acworth, NH (US);
Steinthor Bjarnason, Fjerdinby, NO;
NetScout Systems, Inc., Westford, MA (US);
Abstract
A system is disclosed. The system can include a network monitoring device connected to a communications network. The network monitoring device to store a probabilistic data structure indicating one or more domain names; receive a response data packet from the DNS server, the response data packet comprising a first domain name transmitted in a query to the DNS server and an affirmative response code; update the probabilistic data structure with the first domain name identified from the response data packet; responsive to detecting an attack on the network, retrieve a query message, the query message containing a second domain name; query the updated probabilistic data structure with the second domain name; and restrict transmission of the query message or communication by the computing device with the DNS server.