units/systemd-resolved.service.in

   1 #  SPDX-License-Identifier: LGPL-2.1-or-later
   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=man:org.freedesktop.resolve1(5)
  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
  17 DefaultDependencies=no
  18 After=systemd-sysusers.service
  19 Before=sysinit.target network.target nss-lookup.target shutdown.target initrd-switch-root.target
  20 Conflicts=shutdown.target initrd-switch-root.target
  21 Wants=nss-lookup.target
  22
  23 [Service]
  24 AmbientCapabilities=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
  25 BusName=org.freedesktop.resolve1
  26 CapabilityBoundingSet=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
  27 ExecStart=!!{{ROOTLIBEXECDIR}}/systemd-resolved
  28 LockPersonality=yes
  29 MemoryDenyWriteExecute=yes
  30 NoNewPrivileges=yes
  31 PrivateDevices=yes
  32 PrivateTmp=yes
  33 ProtectClock=yes
  34 ProtectControlGroups=yes
  35 ProtectHome=yes
  36 ProtectKernelLogs=yes
  37 ProtectKernelModules=yes
  38 ProtectKernelTunables=yes
  39 ProtectSystem=strict
  40 Restart=always
  41 RestartSec=0
  42 RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
  43 RestrictNamespaces=yes
  44 RestrictRealtime=yes
  45 RestrictSUIDSGID=yes
  46 RuntimeDirectory=systemd/resolve
  47 RuntimeDirectoryPreserve=yes
  48 SystemCallArchitectures=native
  49 SystemCallErrorNumber=EPERM
  50 SystemCallFilter=@system-service
  51 Type=notify
  52 User=systemd-resolve
  53 ImportCredential=network.dns
  54 ImportCredential=network.search_domains
  55 {{SERVICE_WATCHDOG}}
  56
  57 [Install]
  58 WantedBy=sysinit.target
  59 Alias=dbus-org.freedesktop.resolve1.service