Selfhosted

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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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When Pi-hole is down? (lemmy.world)

submitted 9 months ago by [email protected] to c/[email protected]

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I have an asus router with a pi-hole on the network.

I was doing some work on my server and noticed that when pi-hole was down, I couldn't access the internet. I was looking for some ideas online how to deal with this, but they said to have a second pihole on the network in case one is offline. Is that the only way to do it? Is there any way to have the network go back to normal if the pihole is offline?

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[–] [email protected] 61 points 9 months ago (1 children)

I was doing some work on my server and noticed that when pi-hole was down, I couldn't access the internet.

You've opted to take control over a critical piece of network infrastructure. This is to be expected.

There's a reason DHCP provides for multiple DNS servers to be listed. Having redundant DNS servers is a common setup. So yes, multiple piholes if you want stability.

[–] [email protected] 31 points 9 months ago (1 children)

Just wanted to add onto your comment for clarity for others, the multiple servers are not redundancy so much as first come first serve, which is why your comment of multiple pi-holes is important.

If you were to list a pihole and say Google DNS as primary and secondary respectively, you may have some DNS queries responded to by Google. Negating the point of having a pi-hole or similar DNS service locally.

A secondary can be a docker container, another physical pi-hole (even a zero-w, which I personally don't recommend being your only way to manage DNS, but is fine when you just need to do some maintenance on the primary).

[–] [email protected] 2 points 9 months ago

Could have pihole running on your desktop as a backup