OPNSense: Interfaces: [LAN]: IPv4 address: - Services: DHCPv4: LAN: - # pihole System: Settings: General: DNS Servers: - # external dns 1 - # external dns 2 DNS server options: Allow DNS server list to be overridden by DHCP/PPP on WAN: - unchecked Do not use the local DNS service as a nameserver for this system: - unchecked PiHole: Settings: DNS: Upstream DNS Servers: Custom 1 (IPv4): - # router