What is reverse port forwarding? For example,there are computer A and B,computer B is a computer that behind a firewall or a router.Computer A is your local computer.If you want to access a service of computer B,say port number is 80.The first things you must do is that you must configure firewall or router of computer B to open the privilege for your local computer A.Then you can access the service of computer B after all those configurations. But if computer B behind a firewall or inconfigurable router,you don't have the right to configure the firewall or router and you can not persuade the network manager to configure for you,because of security issue.
Now,you can use reverse port tunnel technology,you can deploy a software on computer B or some computer that can directly access computer B.Then the reverse port forwarding software will connect computer A.Because of the connection is from computer B to computer A,so the firewall or router of computer B can not block the...