2022/10/07

STUN: Session Traversal Utilities for NAT. A standardized set of methods, including a network protocol, for traversal of network address translator (NAT) gateways. see https://en.wikipedia.org/wiki/STUN

DERP: Designated Encrypted Relay for Packets. See https://tailscale.com/blog/how-tailscale-works/#encrypted-tcp-relays-derp