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    How to port forward

    This is a discussion on How to port forward within the Sky Broadband help forums, part of the Sky Broadband help and support category; I am a new sky customer with the latest Sagem router. I would like to forward a public port to ...

    1. #1
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      How to port forward

      I am a new sky customer with the latest Sagem router. I would like to forward a public port to a different port on my internal network (433 or 2222 or something public to 22 on an internal machine for ssh access). This has always been an easy task on routers I have used in the past.

      Here I try to create a new service but I get an error that the target port must be higher than the incoming port. This doesn't make any sense to me. Is it possible to forward in this way?

      EDIT: the exact message is "start port should be less than finish port". If I do it the other way round (ie port 22 external to 2222 internal) it seems to work. This seems to be a mindless limitation? Am I missing something?


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    3. #2
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      Re: How to port forward

      For bonus points I'd like to be able to have the forward work internally as well ie so I can use all my standard connection setups. This was sometimes an extra setting I would have to telnet into the router to set on other models I've used - and isn't so important anyway.

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      Re: How to port forward

      You will need to change the port on the device to match the port that you are using. None of the sky routers support Port Redirections.

      So if you want to use port #2222, then it will also need to be port #2222 on the server. You should be able to configure this.

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      Re: How to port forward

      Quote Originally Posted by Scubbie View Post
      You will need to change the port on the device to match the port that you are using. None of the sky routers support Port Redirections.

      So if you want to use port #2222, then it will also need to be port #2222 on the server. You should be able to configure this.
      Yes I can do that. Just wanted to keep the setup the same as I had before and wanted to check if I was missing something.

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      Re: How to port forward

      If I do it the other way round (ie port 22 external to 2222 internal
      I could be wrong but I think what you are doing is opening all the ports from 22 to 2222. You should only open the ports that you need and forward them to the server address.

      TomD


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      Re: How to port forward

      Quote Originally Posted by Isitme View Post
      I could be wrong but I think what you are doing is opening all the ports from 22 to 2222. You should only open the ports that you need and forward them to the server address.
      Yep I got that... It was my mistake. Still a pain you can't redirect. I remembered why I set it up this way now - because its a pain to reconfigure NoMachine NX for a different SSH port! (have to change the SSH server and then NX config in about 4 different places). But is working now with straight forward on a non-standard SSH port. And the forward even works from inside the network.

     

     

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