mirror of
https://github.com/rcourtman/Pulse.git
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97f9de6c95
Adds additional systemd security directives for defense in depth: - MemoryDenyWriteExecute=true (prevents RWX memory) - RestrictRealtime=true (denies realtime scheduling) - ProtectHostname=true (hostname protection) - ProtectKernelLogs=true (kernel log protection) - SystemCallArchitectures=native (native syscalls only) These directives provide additional layers to slow/prevent post-compromise exploitation of the proxy process. Related to security audit 2025-11-07.
59 lines
1.2 KiB
Desktop File
59 lines
1.2 KiB
Desktop File
[Unit]
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Description=Pulse Sensor Proxy
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Documentation=https://github.com/rcourtman/Pulse
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After=network.target
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[Service]
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Type=simple
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User=pulse-sensor-proxy
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Group=pulse-sensor-proxy
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WorkingDirectory=/var/lib/pulse-sensor-proxy
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ExecStart=/usr/local/bin/pulse-sensor-proxy
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Restart=on-failure
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RestartSec=5s
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# Runtime dirs/sockets
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RuntimeDirectory=pulse-sensor-proxy
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RuntimeDirectoryMode=0775
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UMask=0007
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# Core hardening
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NoNewPrivileges=true
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ProtectSystem=strict
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ProtectHome=read-only
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ReadWritePaths=/var/lib/pulse-sensor-proxy
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ProtectKernelTunables=true
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ProtectKernelModules=true
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ProtectControlGroups=true
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ProtectClock=true
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PrivateTmp=true
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PrivateDevices=true
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ProtectProc=invisible
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ProcSubset=pid
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LockPersonality=true
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RemoveIPC=true
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RestrictSUIDSGID=true
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
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RestrictNamespaces=true
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SystemCallFilter=@system-service
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SystemCallErrorNumber=EPERM
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CapabilityBoundingSet=
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AmbientCapabilities=
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KeyringMode=private
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LimitNOFILE=1024
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# Additional hardening (post-audit)
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MemoryDenyWriteExecute=true
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RestrictRealtime=true
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ProtectHostname=true
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ProtectKernelLogs=true
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SystemCallArchitectures=native
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# Logging
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StandardOutput=journal
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StandardError=journal
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SyslogIdentifier=pulse-sensor-proxy
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[Install]
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WantedBy=multi-user.target
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