Partially, it’s accurate when using the BT protocol. However if you use μTP (Micro Transport Protocol), it has “support for NAT traversal using UDP hole punching between two port-restricted peers where a third unrestricted peer acts as a STUN server.”
Partially, it’s accurate when using the BT protocol. However if you use μTP (Micro Transport Protocol), it has “support for NAT traversal using UDP hole punching between two port-restricted peers where a third unrestricted peer acts as a STUN server.”
https://en.wikipedia.org/wiki/Micro_Transport_Protocol