In our home network setup,for broadband Internet connection we use DSL modem. This modem also acts as Router and DHCP Server for our network. When we connect to the Internet, this DSL router gets actual 'Public IP address' and the DHCP Server (which is the same equipment in this case) provides 'Private IP Address' to the connected computer, and therefore our computer becomes 'invisible' for external world. This situation is good for security purpose because no one from external world can directly access (or hack) our home computer. But for many reasons we require direct access to our home computer from external world, such as :
1) We want to access our home computer from office through RAdmin, Remote login, SSL, FTP etc.
2) We want to run HTTP Server, and Host our own website on home machine.
The solution is "Port Forwarding". Using this configuration on DSL Router, we get Public IP Address directly on our home machine and make the machine visible for external world.
N. Rajmani Minj.
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