Network wide ad blockers
Discussion
The Proxmox VE helper scripts page has scripts to set up Adguard Home, Blocky, Pi-Hole, Technitium DNS and Unbound. Pi-Hole is the only one I've heard of before, they look to all be similar DNS based approaches. Has anyone played with different ones and got any reasons why one might be better than another?
If I have one of these acting as the DNS server, and the server falls over, can my router switch to a backup internet based DNS server or will I lose internet connectivity?
If I have one of these acting as the DNS server, and the server falls over, can my router switch to a backup internet based DNS server or will I lose internet connectivity?
Can't comment on the others, but I've been using pihole at home and work for years.
So long as you set your router (or other server) as DHCP server with a secondary DNS server set you won't have any issues if the pihole goes down. Having said that, none of mine have failed - whether it's the RPi at home or Proxmox container at work.

So long as you set your router (or other server) as DHCP server with a secondary DNS server set you won't have any issues if the pihole goes down. Having said that, none of mine have failed - whether it's the RPi at home or Proxmox container at work.
I have also been using pihole for years, first on a raspberry pi, then after a few years on an old HP thin client. It been running on the thin client now with some other stuff for 3 years. I can't remember it ever failing, the only time it has stopped is when I have asked it to.
The only thing is sometimes it can cause web sites to not load, not often but if you get a site that doesn't load just switch off the ad blocking for a few minutes and all will be well.
The only thing is sometimes it can cause web sites to not load, not often but if you get a site that doesn't load just switch off the ad blocking for a few minutes and all will be well.
ARHarh said:
I have also been using pihole for years, first on a raspberry pi, then after a few years on an old HP thin client. It been running on the thin client now with some other stuff for 3 years. I can't remember it ever failing, the only time it has stopped is when I have asked it to.
The only thing is sometimes it can cause web sites to not load, not often but if you get a site that doesn't load just switch off the ad blocking for a few minutes and all will be well.
If it does just pop into your router and reset the dns to whatever it was before pihole.The only thing is sometimes it can cause web sites to not load, not often but if you get a site that doesn't load just switch off the ad blocking for a few minutes and all will be well.
ARHarh said:
The only thing is sometimes it can cause web sites to not load, not often but if you get a site that doesn't load just switch off the ad blocking for a few minutes and all will be well.
Or you could whitelist the link/site causing the issue.If you use browsers that offer adblocking natively and/or via extensions you can make it quite granular.
ARHarh said:
If it does just pop into your router and reset the dns to whatever it was before pihole.
If mine does fall over I can guarantee it'll be when I'm away for a few days and my wife is working from home and needs internet access 
Any recommendations for blocklists for pihole? I had a brief play with it some years ago and finding decent lists seemed to be the hardest part. I briefly experimented with the ad blocking on my Unifi router and it's a bit over zealous with not much control. I'm currently using Adblock Plus on my browser but presumably a pihole or similar should be better.
LordGrover said:
ARHarh said:
The only thing is sometimes it can cause web sites to not load, not often but if you get a site that doesn't load just switch off the ad blocking for a few minutes and all will be well.
Or you could whitelist the link/site causing the issue.If you use browsers that offer adblocking natively and/or via extensions you can make it quite granular.
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