ExpressTURN Blog
Articles, tutorials, and engineering notes on WebRTC, TURN/STUN servers, NAT traversal, and real-time communication.
STUN & TURN
STUN and TURN: The Basics of WebRTC Connectivity
STUN and TURN are the protocols WebRTC uses to traverse NATs and firewalls. Learn how each one works, when to use them, and how to configure TURN authentication with long-term credentials or shared secret keys.