build/revdial/v2
..
README.md
revdial.go

README.md

Go Reference

golang.org/x/build/revdial/v2

Package revdial implements a Dialer and Listener which work together to turn an accepted connection (for instance, a Hijacked HTTP request) into a Dialer which can then create net.Conns connecting back to the original dialer, which then gets a net.Listener accepting those conns.