this post was submitted on 10 Nov 2023
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Accessing self-hosted stuff behind ISP's CGNAT (alien.top)
submitted 10 months ago by [email protected] to c/[email protected]
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I think I already know the answer, but I'm relatively new to the whole self-hosting thing so I wanted to ask.

I'm successfully self-hosting several things now, and just switched ISPs (went from DSL to fiber, very cool). My new ISP has me behind CGNAT or something similar, port forwarding and duckdns and the like that all used to work to access my homenet all no longer do. I called and asked them to get me off that. Only if I get a different plan at double the price. Oh, well. Not a huge deal to me, personally, I can still access everything important through Tailscale anyway.

My wife, on the other hand, is pretty tech-phobic. She had access to Overseerr from her phone previously, and no longer does because of the ISP switch. I could put Tailscale on my wife's phone, but there's a couple issues there and she'd honestly hate it.

Any alternatives that I can use for my tech-iffy wife to get around my ISP's irritating NAT?

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[–] [email protected] 2 points 10 months ago

The best way to access something behind CGNAT is using a VPN. You can try getting an Oracle free tier account or just get a cheap VPS and install WireGuard or OpenVPN on it.

[–] [email protected] 1 points 10 months ago

VPs and then a tunnel in

[–] [email protected] 1 points 10 months ago (1 children)

Cloudflare Tunnels

[–] [email protected] 1 points 10 months ago

Thank you, I've signed up with cloudflare and I'm looking at setting that all up. It may end up being a little over my head, but I'll regard it as a learning opportunity.

[–] [email protected] 1 points 10 months ago

Tailscale/Zerotier yes. Other option is tunnel out to a 3rd party VPN server with port forwarding: cloudflare does that, and a number of others.

[–] [email protected] 1 points 10 months ago

Cloud flare or VPS tunnels

[–] [email protected] 1 points 10 months ago

I have a VPS with NGiNX and tailscale to get stuff thru a NAT.

[–] [email protected] 1 points 10 months ago

Is your present ISP the only option for fibre in your area? Most ISPs here in NZ will give you a public static IP for a $5-10 monthly charge or sometimes $50 upfront. That's easier and probably cheaper than dealing with a VPN or other remote access, and doesn't impact performance.

[–] [email protected] 1 points 10 months ago

Tailscale Funnels. Your wife doesn't need Tailscale on her device as long as what she needs to access is part of your Tailnet and you set up Funnels.

https://tailscale.com/kb/1223/funnel/#:~:text=Tailscale%20Funnel%20is%20a%20feature,don't%20have%20Tailscale%20themselves.

[–] [email protected] 1 points 10 months ago

> I could put Tailscale on my wife's phone, but there's a couple issues there and she'd honestly hate it.

I am just looking into tailscale and wondering what those couple of issues would be?