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Filename : systemd-resolved.service
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#  SPDX-License-Identifier: LGPL-2.1-or-later
#
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.

[Unit]
Description=Network Name Resolution
Documentation=man:systemd-resolved.service(8)
Documentation=man:org.freedesktop.resolve1(5)
Documentation=https://systemd.io/WRITING_NETWORK_CONFIGURATION_MANAGERS
Documentation=https://systemd.io/WRITING_RESOLVER_CLIENTS

DefaultDependencies=no
After=systemd-sysctl.service systemd-sysusers.service
Before=sysinit.target network.target nss-lookup.target shutdown.target initrd-switch-root.target
Conflicts=shutdown.target initrd-switch-root.target
Wants=nss-lookup.target

[Service]
AmbientCapabilities=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
BusName=org.freedesktop.resolve1
CapabilityBoundingSet=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
ExecStart=/usr/lib/systemd/systemd-resolved
LockPersonality=yes
MemoryDenyWriteExecute=yes
NoNewPrivileges=yes
PrivateDevices=yes
PrivateTmp=disconnected
ProtectClock=yes
ProtectControlGroups=yes
ProtectHome=yes
ProtectKernelLogs=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
ProtectSystem=strict
Restart=always
RestartSec=0
RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
RuntimeDirectory=systemd/resolve
RuntimeDirectoryPreserve=yes
Sockets=systemd-resolved-varlink.socket systemd-resolved-monitor.socket
SystemCallArchitectures=native
SystemCallErrorNumber=EPERM
SystemCallFilter=@system-service
Type=notify-reload
User=systemd-resolve
ImportCredential=network.dns
ImportCredential=network.search_domains
WatchdogSec=3min

[Install]
WantedBy=sysinit.target
Alias=dbus-org.freedesktop.resolve1.service
Also=systemd-resolved-varlink.socket systemd-resolved-monitor.socket