US Patent Issued to Palo Alto Networks on Sept. 8 for "Inline detect and block relayed DNS tunneling traffic" (California Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,521, issued on Sept. 8, was assigned to Palo Alto Networks Inc. (Santa Clara, Calif.).

"Inline detect and block relayed DNS tunneling traffic" was invented by Ruian Duan (Fremont, Calif.), Shu Wang (San Jose, Calif.), Daiping Liu (Sunnyvale, Calif.), Fan Fei (Pleasanton, Calif.) and Qi Zhang (Saratoga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a method, system, and computer system for detecting DNS tunneling traffic. The method includes (i) obtaining non-DNS network traffic across an enterprise network, (ii) obtaining a hostname comprised in the non-DNS network traffic, (iii) querying a security service ...