gostun

NatMappingBehavior:
inconclusive
endpoint independent (no NAT)
endpoint independent
address dependent
address and port dependent

NatFilteringBehavior:
inconclusive
endpoint independent
address dependent
address and port dependent

NAT Type	Nat Mapping Behavior	Nat Filtering Behavior
Full Cone	endpoint independent	endpoint independent
Restricted Cone	endpoint independent	address dependent
Port Restricted Cone	endpoint independent	address and port dependent
Symmetric	address and port dependent	address and port dependent

Thanks

https://datatracker.ietf.org/doc/html/rfc3489#section-5

https://datatracker.ietf.org/doc/html/rfc4787#section-5

https://github.com/pion/stun/tree/master/cmd/stun-nat-behaviour