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I have server which has only port 180 > 80 and port 1443 > 443 mapped and open, I can't change this setting because of server owner. Because of that I can't setup proper dns record and I am using url redirect on dns service, which redirects domain name to servers ip and port. Finally, as result of all that, browser tries to verify ip address with ssl of domain name and displays ip address. Is there any way to manage this issue, apart from reverse proxy and if it is only realistic solution, how exactly should I construct it?

using windows server and IIS 10

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  • If the IIS server isn’t allowed to listen on standard ports, would a reverse proxy be allowed to do that on the same site? Solve that issue first, is my recommendation. Then you can decide whether to present IIS directly to the internet or add a reverse proxy as an additional potential security measure. And if you need to host the reverse proxy on a different site for port availability reasons, why not move the IIS to that environment too, potentially negating the need for a proxy?
    – Mikael H
    5 hours ago
  • Between the end users (and their browsers) and your IIS server, there can be many devices. So, first edit the question to include a diagram which contains all involved devices and tell which is under your control (similar to the one I drew in halfblood.pro/…). Then the discussion might be possible to suggest where the port numbers can be set, with or without reverse proxy.
    – Lex Li
    4 hours ago

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