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Best way to get IPv4 connectivity to my self-hosted services (infosec.pub)

submitted 1 year ago by Quik@infosec.pub to c/selfhosted@lemmy.world

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Hi, I live in Germany and only have public IPv6. My address changes only very, very rarely and has never changed in the time I've been self-hosting.

I also have a very small, pretty cheap VPS with static IPv4/IPv6 – which would seem like a great fit for some sort of tunneling/proxy setup. Now comes the question: What/how should I use it? I would like to not have the additional latency for IPv6 enabled hosts, can I just setup a reverse proxy for IPv4? Would Tailscale work for my usecase, what are some resources you found useful when using it?

Currently, I'm just hosting everything IPv6-only and hoping my address never changes, but that does not work for everyone, as especially many new buildings with fiber optic connections still only have IPv4 (strangely).

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[–] spanac@lemmy.zip 2 points 1 year ago

I have a similar situation, where I only get a public IPv6 prefix. I ended up renting small vps at netcup and installed OpenVPN and ha-proxy. My home router connects to the VPS's public IP and I do port forwarding for the services I need, or use the proxy.

Initially I setup SNAT for my web server (otherwise replies were going out the wrong interface) and that meant you don't see the public IP of the connecting client in your access logs.

Recently I switched to using ha-proxy which does tcp level proxying and works well with ports 80 and 443 and Traefik, which i use to expose my docker containers.

My connection chain looke like vps -> ha-proxy -> OpenVPN -> port forward to Traefik -> reverse proxy to the final service. It's not a fast server, and I didn't measure latency, but it's for sure not small.

As others have mentioned, ha-proxying to your IPv6 might be an interesting solution, and I think I will also try it out.