Patent ID: 11943258
Assignee: CHARTER COMMUNICATIONS OPERATING, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A non-transitory processor-readable medium having stored thereon processor-executable instruction configured to cause a processor of a network computing device to perform operations comprising:
receiving from a client computing device a Domain Name Service (DNS) over Hypertext Transfer Protocol Secure (DoH) request comprising a public certificate associated with a client identifier and DoH request content;
generating a fingerprint of the public certificate;
obtaining a client-specific DoH policy based on an association between the fingerprint of the public certificate and the client-specific DoH policy;
routing the DoH request content to a DNS resolver, wherein the DoH request does not contain any identifying information regarding the client computing device;
receiving a DNS response from the DNS resolver; and
applying the client-specific DoH policy to the DoH request to formulate a response to the DoH request based upon the DNS response.