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Nginx pihole and pfsense issue (lemmy.world)

submitted 4 months ago by Dust0741@lemmy.world to c/selfhosted@lemmy.world

4 comments fedilink hide all child comments

I have nginx up and working with pihole and its great. I can get to: https://dashy.homelab.duckdns.org/ On my PC but not my phone. On my phone, pfsense blocks it and says "Potential DNS Rebind attack detected, see https://en.wikipedia.org/wiki/DNS_rebinding Try accessing the router by IP address instead of by hostname."

Why? I've disconnected and reconnected to WiFi, and waited a day.

top 4 comments

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[–] morethanevil@lemmy.fedifriends.social 8 points 4 months ago

The message says it all. DNS rebind means a domain name is pointing back to an internal IP address. You need to make an exception in pfsense for your domain dash.homelab.duckdns.org

This is normal ☝🏻

[–] transientpunk@sh.itjust.works 1 points 4 months ago (1 children)

I don't know the answer to your question, but you can get the functionality of pihole directly in pfsense using pfblocker-ng

[–] Dust0741@lemmy.world 1 points 4 months ago (1 children)

Including the local DNS settings? Like mapping my domain to an ip?

[–] transientpunk@sh.itjust.works 1 points 4 months ago

I mostly meant the DNS sinkhole functionality that pihole is famous for using to block ads. You wouldn't use pfblocker-ng for domain routing.

Here is a forum post from negate discussing what I think you're looking for.