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ISP not offering port forwarding anymore (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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Hello everyone, I would need some advice on my setup.

I had an ISP with basic DSL 60/20Mbps and I was hosting my services at home with SWAG as a main proxy, opening the ports. I ordered 2 days ago a plan with a new ISP for a 1Gbps line, that offered port forwarding as well. The installation was done today and it turns out they retired the port forwarding on my offer yesterday.

I can see potentially 3 choices:

stay with the old ISP and the slow-ish line. My main issue was the uplink speed that made off-site backup a pain
go with the new ISP but order the higher speed plan that is £25/month more expensive, and without a proper guarantee that they will keep offering the port forwarding
use the non-port forwarding option, but rent a small VPS that would act as a front-end (through zerotier/tailscale/direct wireguard), paying a small latency cost when accessing remotely.

I am not fully sure about the pros and cons of the different ways on the last option. I would be kin on keeping my home server fully capable, the point of me self-hosting being to cope with temporary disconnection at home. But then you can either have an IP table routing in the VPS to forward everything on the used port, or have another nginx proxy there to redirect everything. And I am not fully sure VPS providers are generally OK with this kind of use.

Has anyone got a similar setup to option 3 and would have some advices?

Edit 1:

I got a small VPS (not the cheapest one yet) and setup a wireguard tunnel following this principle and it seems to be working so far. I'll monitor a bit the situation as I have 14 days to cancel my plan. I'll also see how it works for gitea running in docker in the NAT and ssh forwarding, I suspect this will be a fun endeavour.

I decided to avoid using cloudflare tunnel. And I am avoiding using a nginx proxy at the moment as I would need to ensure the certificates are properly synced between the two (or maybe letsencrypt allows you to have two certificates for the same domain?)

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[–] [email protected] 3 points 1 year ago

What's the ISP? Is it one of those ISPs that do CG-NAT by chance?

It seems weird that port forwarding is even considered to be a feature on the ISP side, that's usually a router thing.

Any chance you could run your own router? Because as long as your router can connect to the ISP, and get a public IP from it, there's not much the ISP can do unless they have firewalls or a NAT system.

The only situation that makes sense to not do port forwarding is those CG-NAT ISPs and carriers.

Otherwise, yeah, you can get the smallest possible VPS possible (some can be obtained for $3-$5/mo) and you can just VPN your stuff home pretty easily.