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Access home server from anywhere (lemmy.zip)

submitted 11 months ago* (last edited 11 months ago) by jaykay@lemmy.zip to c/selfhosted@lemmy.world

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Hi, I know this topic has been talked about 70 thousand times but I’m still not sure.

I have home server on an intel NUC behind the ISP router. On it I have the standard arr apps, jellyfin, pi-hole etc etc. I would like to access them through a domain rather than an IP. So I set them up in docker, behind traefik, behind authelia and behind cloudflare. I am the only one that uses it.

Now, I’m worried about the security of it all. I’ve been searching here and there and I’ve read about cf tunnels, wireguard server, vps, vlan, OPNsense etc etc. I still don’t know what would be the most secure. Should I just stay with what I have?

EDIT: I'm not behind CGNAT

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[–] jaykay@lemmy.zip 1 points 11 months ago (1 children)

(I'm gonna copy what I said in another comment lol)

I don’t know if I’m shooting myself in the foot by trying to do in docker for now or not, but I’d rather do that before I do it on bare metal. It seems to work already, as I can see that my IP changes on my phone when I access it. Hell, I can even access my routers’ dashboard. However, I still can’t access the services on the server (by IP, like 192.x.x.x:8989), which I can access if I'm on Wi-Fi. So I’m trying to figure that out. Any ideas?

[–] bless@lemmy.world 2 points 11 months ago (1 children)

Hmm do a traceroute and see where it's dying. Can you ping inside IP of the tunnel on the wireguard server? What about outside?

What did you deploy in docker, firezone or basic wireguard?

Does your phone say connected and you see both incoming and outgoing packets? Is there a firewall in place on the wireguard host (ufw maybe)?

If you have nmap available you can also check port status.

[–] jaykay@lemmy.zip 2 points 11 months ago* (last edited 11 months ago) (1 children)

Yup, run journalctl and I can see ufw blocking requests. Now just need to figure out how to allow it

EDIT: Adding a rule "ufw allow from 192.x.x.x/24" fixed it, just need to find out if THAT's secure now lmao

[–] bless@lemmy.world 1 points 11 months ago* (last edited 11 months ago) (1 children)

You can bound ufw rules to interfaces, so you can allow in only on the wg0 interface and not eth0 interface.

Glad it's working! I love wireguard!

[–] jaykay@lemmy.zip 2 points 11 months ago

I couldn't use the interface, as wg is in a docker container, but I used the container IP, and it seems to be working. Huge thanks! Now I can get rid of Cloudflare and related containers :D (just need to fix the homepage first, I'm not using IPs for services lol)