Without -d 192.168.1.10, the DNAT rule intercepted all TCP port 80/443
traffic arriving on vmbr0 — including LAN or routed traffic destined for
internal VMs like Pi-hole (10.10.1.2), redirecting it to Traefik instead.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>