this post was submitted on 06 Oct 2024
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A question re. #wireguard (social.graves.cl)
submitted 1 month ago by alvaro@social.graves.cl to c/selfhosted@lemmy.world
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A question re. #wireguard

When I'm away from home I usually connect to my home (US) and my server (Europe). However sometimes (not always) the connection to my home is blocked, I don't know if it is caused by my phone company or my ISP. I blame the latter, because the connection to my european server never fails.

I wonder if there is something I can do in those cases?
I guess I could try to redirect the traffic to use the european server as a proxy, but that would make things slower the 90% of the time this isn't a problem. Also, this would require me to switch wireguard connections manually, which is not ideal, especially if I'm driving.

Another alternative would be tailscale (maybe with headscale), but I'd rather keep my infrstructure as wireguard only.

Any ideas? cc @selfhosted@lemmy.world @selfhost@lemmy.ml

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[–] just_another_person@lemmy.world -1 points 1 month ago (1 children)

Then try setting PersistentKeepalive on the client

[–] alvaro@social.graves.cl 0 points 1 month ago (1 children)

@just_another_person@lemmy.world no, the issue is not keepalive, since it cannot connect in the first place... moving to another wifi (instead of celullar) works fine, so it is not a problem with my configuration.

[–] just_another_person@lemmy.world 1 points 1 month ago* (last edited 1 month ago) (1 children)

You might want to put these pertinent details in your post.

If you're on a cellular network that has CGNAT, Wireguard may not be able to work. Same deal if it's an IPv6 network.

[–] alvaro@social.graves.cl -1 points 1 month ago (1 children)

@just_another_person@lemmy.world Thanks, but I did

However sometimes (not always) the connection to my home is blocked,

I guess tailscale will have to do

[–] just_another_person@lemmy.world -1 points 1 month ago (1 children)

Tailscale is Wireguard. If it works, then something is wrong with your Wireguard configs.

[–] alvaro@social.graves.cl 1 points 1 month ago (1 children)

@just_another_person@lemmy.world Tailscale is way more than WireGuard but ok

[–] just_another_person@lemmy.world -4 points 1 month ago (1 children)

Friend...Tailscale uses the same Wireguard protocol as everything else. If Tailscale is working, but your solo configs aren't, it's not a Wireguard problem, it's a config problem. Guaranteed.

[–] alvaro@social.graves.cl 1 points 1 month ago (1 children)

@just_another_person@lemmy.world

I never said my config is not working, I said sometimes (some cellular connections, but not all) it is not working, that is a huge difference.

I highly recommend you educate yourself a bit https://tailscale.com/compare/wireguard
https://tailscale.com/blog/how-tailscale-works#DERP

TLDR

Tailscale is built on TOP of Wireguard, but has a few goodies that Wireguard doesn't provide.