# Rootless DNS must bind port 53: lower the unprivileged-port threshold so a # rootless container may publish 0.0.0.0:53 (80/443 stay allowed; 53 < 80). # Single source of truth for net.ipv4.ip_unprivileged_port_start on dankclaw; # deploy_pihole installs it to /etc/sysctl.d/ and applies it with # `sysctl --system` (the same code path boot uses via systemd-sysctl). # A later-sorted drop-in that reset this to 80 took LAN DNS down after the # 2026-08-26 reboot — deploy_pihole neutralizes such conflicts. net.ipv4.ip_unprivileged_port_start=53