this post was submitted on 28 Oct 2024
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For folks that are unable to port forward on the local router (eg CGNAT) I made this post on doing it via a VPS. I've scoured the internet and didn't find a complete guide.

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[–] [email protected] 5 points 2 weeks ago* (last edited 2 weeks ago) (6 children)

Hey, great post. I have one request. Can you maybe add some description for what the iptables entries do? I have a similar setup with a lot less iptables rules that works well for me. But I'm not an expert in networking, and am now worried that I might be missing something that can leak my home IP.

[–] [email protected] 3 points 2 weeks ago (5 children)

Thanks for the feed back. I started out with that post I referenced in my article, which had fewer entries. It didn't work. Caveat was although the online port checkers were reporting the port as open, it was not actually making through the tunnel!

I actually solved it by asking chatgpt!! I put in the suggestions and it worked. I'm also no expert on creating iptables, but once it was in place it seemed self explanatory.

I ran netcat as client-server to test it actually worked.

[–] [email protected] 3 points 2 weeks ago* (last edited 2 weeks ago)

I took a look at it. From what I understand, some of the lines in your setup are redundant. The final product seems to do basically the same job as mine. In any case, if it works, it works.

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