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Add restrictions to the node_exporter systemd service to increase security of the running program #3574

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Add restrictions to the node_exporter systemd service to increase security of the running program #3574

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39 changes: 39 additions & 0 deletions examples/systemd/node_exporter.service
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,45 @@ User=node_exporter
Environment=OPTIONS=
EnvironmentFile=-/etc/sysconfig/node_exporter
ExecStart=/usr/sbin/node_exporter --web.systemd-socket $OPTIONS
ProtectClock=true
ProtectHome=read-only
ProtectSystem=true
NoNewPrivileges=true
MemoryDenyWriteExecute=true
CapabilityBoundingSet=~CAP_KILL
CapabilityBoundingSet=~CAP_SYS_MODULE
CapabilityBoundingSet=~CAP_SYS_BOOT
CapabilityBoundingSet=~CAP_SYSLOG
CapabilityBoundingSet=~CAP_BLOCK_SUSPEND
CapabilityBoundingSet=~CAP_SYS_PTRACE
CapabilityBoundingSet=~CAP_SYS_ADMIN
CapabilityBoundingSet=~CAP_NET_ADMIN
CapabilityBoundingSet=~CAP_NET_BIND_SERVICE
CapabilityBoundingSet=~CAP_NET_RAW
CapabilityBoundingSet=~CAP_CHOWN
CapabilityBoundingSet=~CAP_SETFCAP
CapabilityBoundingSet=~CAP_SETUID
CapabilityBoundingSet=~CAP_SETGID
CapabilityBoundingSet=~CAP_SETPCAP
CapabilityBoundingSet=~CAP_FSETID
CapabilityBoundingSet=~CAP_NET_BROADCAST
CapabilityBoundingSet=~CAP_BPF
CapabilityBoundingSet=~CAP_SYS_RAWIO
CapabilityBoundingSet=~CAP_SYS_PACCT
ProtectHostname=true
SystemCallFilter=~@mount
SystemCallFilter=~@swap
SystemCallFilter=~@debug
SystemCallFilter=~@obsolete
SystemCallFilter=~@reboot
SystemCallFilter=~@module
SystemCallFilter=~@cpu-emulation
PrivateTmp=true
ProtectKernelLogs=true
ProtectKernelTunables=true
ProtectKernelModules=true
SystemCallArchitectures=native
RestrictSUIDSGID=true

[Install]
WantedBy=multi-user.target