units/systemd-resolved.service.in

   1 #  SPDX-License-Identifier: LGPL-2.1+
   2 #
   3 #  This file is part of systemd.
   4 #
   5 #  systemd is free software; you can redistribute it and/or modify it
   6 #  under the terms of the GNU Lesser General Public License as published by
   7 #  the Free Software Foundation; either version 2.1 of the License, or
   8 #  (at your option) any later version.
   9
  10 [Unit]
  11 Description=Network Name Resolution
  12 Documentation=man:systemd-resolved.service(8)
  13 Documentation=https://www.freedesktop.org/wiki/Software/systemd/resolved
  14 Documentation=https://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
  15 Documentation=https://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
  16 DefaultDependencies=no
  17 After=systemd-networkd.service
  18 Before=network.target nss-lookup.target shutdown.target
  19 Conflicts=shutdown.target
  20 Wants=nss-lookup.target
  21
  22 [Service]
  23 Type=notify
  24 Restart=always
  25 RestartSec=0
  26 ExecStart=!!@rootlibexecdir@/systemd-resolved
  27 WatchdogSec=3min
  28 User=systemd-resolve
  29 DynamicUser=yes
  30 CapabilityBoundingSet=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
  31 AmbientCapabilities=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
  32 PrivateDevices=yes
  33 ProtectHome=yes
  34 ProtectControlGroups=yes
  35 ProtectKernelTunables=yes
  36 ProtectKernelModules=yes
  37 MemoryDenyWriteExecute=yes
  38 RestrictRealtime=yes
  39 RestrictNamespaces=yes
  40 RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
  41 SystemCallFilter=@system-service
  42 SystemCallErrorNumber=EPERM
  43 SystemCallArchitectures=native
  44 LockPersonality=yes
  45 RuntimeDirectory=systemd/resolve
  46 RuntimeDirectoryPreserve=yes
  47
  48 [Install]
  49 WantedBy=multi-user.target
  50 Alias=dbus-org.freedesktop.resolve1.service