WAN port forward to another WAN subnet (external) IP

  • Hello,
    is it possible to forward incoming packet from internet (WAN, e.g. port 23) to another IP address in WAN subnet (not in internal LAN subnet, it is outside of router)?
    Thank you very much for your help

  • What are you trying to do? This most likely will break routing in some way.

  • Thank you for your reply. It will be useful when my internal server will fail then I can redirect it to another server outside of my local network. It can be useful also when I am behind another provider router, than I can access friend's computer (same provider but he has not public IP) from internet. I know this is not often used possibility, they call it "wan to wan rules" sometimes…

  • you should try to achieve this by changing the dns record for your site rather than doing such a reflection.

  • Thanks for your advice, but I think it will redirect whole IP address not just one port. I think somethink similar what is implemented in e.g. ZyXEL ZyAIR G-2000 plus router (firewall with WAN-to-WAN rules). I do not know if it is possible to do in pfSense firewall.

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