Please see this page for more details: http://nettool.sourceforge.net

You can download NetTool from: https://sourceforge.net/projects/nettool/

Extract the zip file and change permissions of the main folder: chmod -R 755 nettool-4.7.2/

Start NetTool: ./start-nettool.sh

Select the “TCP tunnel” tab.

Enter the following information:
- Listen On: All Local Addresses
- Port: 7000 (the port that the client will use to communicate with NetTool)
- Tunnel to: localhost (destination host name/IP Address to which NetTool will forward the request)
- Port: 8080 (port that the destination host is listening on)

Click on “Listen”