UDP
STUN / TURN
What port 3478 is used for
STUN/TURN — NAT traversal for WebRTC, voice, video calls.
Security considerations
Use coturn + shared secrets.
Check if port 3478 is open on any host:
Open Port Scanner →STUN/TURN — NAT traversal for WebRTC, voice, video calls.
Use coturn + shared secrets.
Check if port 3478 is open on any host:
Open Port Scanner →