npm

pwnat

Proxy server that enables connectivity through NAT without port forwarding

brewmacoslinux
Try with needOr install directly
Source

About

Proxy server that works behind a NAT

Commands

pwnat

Examples

Start pwnat server on port 8080$ pwnat -s 8080
Connect client to pwnat server at example.com:8080$ pwnat -c example.com:8080 -l 3128
Run pwnat server with verbose output$ pwnat -s 8080 -v