It can help redirect traffic to otherwise unreachable end-points.
Listen on port 9999 and forward the connection to localhost port 8080
perl tcpforward.pl -l 10.10.10.218:9999 -c 127.0.0.1:8080
https://gist.github.com/unkn0wnsyst3m/2f8f986a9687c4fda5ff2d6e902185d2