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cabc1c6d7a
Add `ProtectClock=yes` to systemd units. Since it implies certain `DeviceAllow=` rules, make sure that the units have `DeviceAllow=` rules so they are still able to access other devices. Exclude timesyncd and timedated.
56 lines
1.7 KiB
SYSTEMD
56 lines
1.7 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1+
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Network Name Resolution
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Documentation=man:systemd-resolved.service(8)
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Documentation=https://www.freedesktop.org/wiki/Software/systemd/resolved
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Documentation=https://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
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Documentation=https://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
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DefaultDependencies=no
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After=systemd-sysusers.service systemd-networkd.service
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Before=network.target nss-lookup.target shutdown.target
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Conflicts=shutdown.target
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Wants=nss-lookup.target
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[Service]
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AmbientCapabilities=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
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CapabilityBoundingSet=CAP_SETPCAP CAP_NET_RAW CAP_NET_BIND_SERVICE
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ExecStart=!!@rootlibexecdir@/systemd-resolved
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LockPersonality=yes
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MemoryDenyWriteExecute=yes
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NoNewPrivileges=yes
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PrivateDevices=yes
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PrivateTmp=yes
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ProtectClock=yes
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ProtectControlGroups=yes
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ProtectHome=yes
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ProtectKernelModules=yes
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ProtectKernelTunables=yes
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ProtectKernelLogs=yes
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ProtectSystem=strict
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Restart=always
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RestartSec=0
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RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
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RestrictNamespaces=yes
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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RuntimeDirectory=systemd/resolve
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RuntimeDirectoryPreserve=yes
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SystemCallArchitectures=native
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SystemCallErrorNumber=EPERM
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SystemCallFilter=@system-service
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Type=notify
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User=systemd-resolve
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@SERVICE_WATCHDOG@
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[Install]
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WantedBy=multi-user.target
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Alias=dbus-org.freedesktop.resolve1.service
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