PUBLIC MARKS from srcmax with tag turn

High-performance free open source TURN and STUN Server implementation. VoIP media traffic NAT traversal and gateway. TURN client library included.

This protocol allows a client to obtain IP addresses and ports from such a relay. It is most useful for elements behind symmetric NATs or firewalls that wish to be on the receiving end of a connection to a single peer.

Traversal Using Relays around NAT (TURN) is a protocol that allows for a client behind a network address translator (NAT) or firewall to receive incoming data over TCP or UDP connections. It is most useful for clients behind symmetric NATs or firewalls that wish to be on the receiving end of a connection to a single peer