golang-github-jackpal-go-nat-pmp-dev 1.0.2-2 (amd64 binary) in ubuntu hirsute

 Go language client for the NAT-PMP internet protocol for
 port mapping and discovering the external IP address of a firewall.
 .
 NAT-PMP is supported by Apple brand routers and open source routers like
 Tomato and DD-WRT.