How to make port mapping of routers so that the extranet can access the intranet machine

Sometimes, we are in a local area network, with the intranet IP, but because there is only one public network IP, so the intranet Web server or VPN server can not open to the outside, we may through the router's wide-port mapping function to open up certain services. Tools/raw Materials

Router methods/steps

First login to your router, the specific address to see the router opposite description, my side is 192.168.1.2

Click on the left navigation "forwarding rules-Virtual server", its function is to use port mapping. 3

My native IP is 192.168.1.102, click Add new Entry . put my native IP and I want to open the Web port 80 write, the protocol for all, and then save the exit step Read 4

Finally get their own public network IP, as long as the public network in the browser to enter the IP will be able to access the site.