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:
Jan. 30, 2024
Filed:
Nov. 26, 2018
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Niilo Lehtikuja, Espoo, FI;
Patrik Salmela, Espoo, FI;
Telefonaktiebolaget LM Ericsson (Publ), Stockholm, SE;
Abstract
Embodiments relate to a method for secure domain name system, DNS, queries. The method is performed in a DNS client, and the method includes obtaining an encryption key and internet protocol, IP, address for a final DNS resolver, creating a session key, encrypting a DNS query and the created session key with the obtained encryption key, and sending a DNS message containing the encrypted DNS query and the created session key to an intermediate DNS resolver, different from the final DNS resolver, together with the obtained IP address for the final DNS resolver. Methods, nodes, computer programs, and a computer program product for secure DNS queries are also presented.