[Unit] Description=TRUST-DNS server Wants=network-online.target After=network-online.target [Service] User=named DynamicUser=yes ExecStart=/usr/bin/named AmbientCapabilities=CAP_NET_BIND_SERVICE CapabilityBoundingSet=CAP_NET_BIND_SERVICE Restart=on-failure RestartSec=1 [Install] WantedBy=multi-user.target