ALEXANDRIA, Va., July 16 -- United States Patent no. 12,363,071, issued on July 15, was assigned to Comcast Cable Communications LLC (Philadelphia).
"Dynamic firewall configuration" was invented by Alexander Gurney (Elkins Park, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are systems and methods for firewall configuration. A request can be transmitted to a DNS server. A response to the DNS request can include an Internet Protocol (IP) address. A firewall rule can be generated permitting access to the IP address. The firewall rule can be configured to be valid until expiration of a time-to-live value in the response to the DNS request. Thus, firewall rules can be automatically created as need...