Port 22

NSA Suggests Enterprises Use 'Designated' DNS-over-HTTPS' Resolvers

The U.S. National Security Agency (NSA) on Friday said DNS over HTTPS (DoH) if configured appropriately in enterprise environments can help prevent “numerous” initial access, command-and-control, and exfiltration techniques used by threat actors. “DNS over Hypertext Transfer Protocol over Transport Layer Security (HTTPS), often referred to as DNS over HTTPS (DoH), encrypts DNS requests by