Slow PiHole

[jacob.salmela]

Have you taken a look here? It explains the firewall stuff in detail:

Why do some sites take forever to load when using Pi-hole? (for versions < v4.0)

Update: 2018-08-06 As of v4.0, this should no longer be a problem unless you choose to deviate from the new default blocking mode and return to the IP-based mode. And the iptables rules mentioned in this article should not be needed. Update As of v3.1 the first reason should not be an issue anymore That being said, there are generally two reasons this happens: your ISP changes your IPv6 address (Global Unicast Address), causing Pi-hole to become misconfigured and timing out when trying…

Why Some Pages Load Slow When Using Pi-hole And How To Fix It (for versions < v4.0)

Originally published at: https://pi-hole.net/2018/02/02/why-some-pages-load-slow-when-using-pi-hole-and-how-to-fix-it/ Update: 2018-08-06 As of v4.0, this should no longer be a problem unless you choose to deviate from the new default blocking mode and return to the IP-based mode. Update: 2018-05-26 This problem is far less likely to happen when using NXDOMAIN or NULL blocking: https://pi-hole.net/2018/05/18/nxdomain-and-null-blocking-with-ftldns/ Pi-hole can make your network run…