+# SPDX-License-Identifier: LGPL-2.1+
+#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
[Unit]
Description=Network Name Resolution
Documentation=man:systemd-resolved.service(8)
-After=systemd-networkd.service network.service
+Documentation=https://www.freedesktop.org/wiki/Software/systemd/resolved
+Documentation=https://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
+Documentation=https://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
+DefaultDependencies=no
+After=systemd-sysusers.service systemd-networkd.service
+Before=network.target nss-lookup.target shutdown.target
+Conflicts=shutdown.target
+Wants=nss-lookup.target
[Service]
-Type=notify
+AmbientCapabilities=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
+CapabilityBoundingSet=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
+ExecStart=!!@rootlibexecdir@/systemd-resolved
+LockPersonality=yes
+MemoryDenyWriteExecute=yes
+NoNewPrivileges=yes
+PrivateDevices=yes
+PrivateTmp=yes
+ProtectControlGroups=yes
+ProtectHome=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+ProtectSystem=strict
Restart=always
RestartSec=0
-ExecStart=@rootlibexecdir@/systemd-resolved
-CapabilityBoundingSet=CAP_SETUID CAP_SETGID CAP_SETPCAP CAP_CHOWN CAP_DAC_OVERRIDE CAP_FOWNER
-ProtectSystem=full
-ProtectHome=yes
+RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
+RestrictNamespaces=yes
+RestrictRealtime=yes
+RuntimeDirectory=systemd/resolve
+RuntimeDirectoryPreserve=yes
+SystemCallArchitectures=native
+SystemCallErrorNumber=EPERM
+SystemCallFilter=@system-service
+Type=notify
+User=systemd-resolve
+WatchdogSec=3min
[Install]
WantedBy=multi-user.target
+Alias=dbus-org.freedesktop.resolve1.service