I know the very basic concepts of a router. If I ping my router from the outside world, I know it reaches the WAN IP Address of the router and depending on what ports I have open, what is the next hop? Does it go to the LAN IP Address of the router first before going to the destination TCP/IP Address of my internal network?

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The Next hop would be your LAN Interface of the Router. By default most home router manufacturers use the 192.168.1/24 network for the default LAN interface. This is a private IP range, which is non-routable. Therefore, you cannot ping these addresses from outside your home. It would then go to your computer?s IP address.

This was first published in August 2002

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