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I have an Elastic IP on AWS that I want to forward to a Public IP outside of AWS.

Any ideas how I could accomplish this?

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You'd need to have na instance running at the AWS IP, but you could proxy everything to the second IP via iptables. stackoverflow.com/questions/10595575/… Not sure why you wouldn't want to just use the real public IP, though. – ceejayoz Mar 14 '13 at 15:16

as @ceejayoz mentioned, iptables can do the redirection on layer 3/4, however, if you are serving up a tcp protocol, such as http, you could use haproxy or nginx to redirect on layer 7, and that would allow you more fine-grained control (ie. url rewriting, etc)

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Depending what is behind the EIP you could use local port SSH tunneling.

This does assume you have a linux box running behind the EIP. If you have an EIP alone and no EC2 behind it, I don't think you will be able to, besides, its seems like a strange problem to be trying to solve, what are you actually trying to do?

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