Determining far IP address of NAT/ROUTER
Daniel McNamara
daniel at codefish.net.au
Wed Dec 18 13:32:14 EST 2002
> I could be mistaken, but don't some dynamic dns have an option not to
> get any local ip address? This way the remote host uses the ip address
> that you connected with, which should be your external ip.
Yes thats correct. My DDclient is configured to collect it's remote IP by
simply making a request to http://checkip.dyndns.org/ and parsing the
result. This method will of course not work if your ISP does transparent
proxying because it will be set to the proxy's IP (I think. Am I wrong
here? I haven't work much with transparent proxies).
Then I've just got my router set up with port fowarding so I ssh to the
Dynamic DNS address and it simply gets forwarded onto the appropiate
machine within the network. Works an absolute charm.
Cheers
Daniel
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