finding nat'd IP address?

Bill Campbell freebsd at
Tue Apr 10 04:13:42 UTC 2007

On Mon, Apr 09, 2007, Chandhee Thala wrote:
>if i connect to the net with a cable modem or some other device that uses
>NAT and gives me a private IP addresses, what is the most "Elegant" way to
>get my real IP? (assume that the device itself will not let me have it).
>I can go to some site that gives the visitor their ip address and screen
>scrape, but I'd like to know if there is a cleaner solution before I start

The ``ifconfig'' command will show the information for one or all
NICs on the system including the private IP address assigned.

Checking on an external site will only show you the public IP
address of the box doing NAT.  We have a utility to do this:

INTERNET:   bill at Celestial.COM  Bill Campbell; Celestial Software LLC
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