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Suggest optional security hardening in systemd service #704

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Suggest optional security hardening in systemd service #704

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33 changes: 33 additions & 0 deletions README.md
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Expand Up @@ -79,6 +79,39 @@ User = www-data
Restart = always
RestartSec = 60

# Optional security hardening
CapabilityBoundingSet=
DevicePolicy=closed
LockPersonality=yes
MemoryDenyWriteExecute=yes
NoNewPrivileges=yes
PrivateDevices=yes
PrivateIPC=yes
PrivateMounts=yes
PrivateTmp=yes
PrivateUsers=yes
ProcSubset=pid
ProtectClock=yes
ProtectControlGroups=yes
ProtectHome=read-only
ProtectHostname=yes
ProtectKernelLogs=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
ProtectProc=invisible
ProtectSystem=strict
RemoveIPC=yes
RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
SecureBits=noroot-locked
SystemCallArchitectures=native
SystemCallFilter=@system-service
SystemCallFilter=~@privileged
SystemCallFilter=~@resources
UMask=0077

[Install]
WantedBy = multi-user.target
```
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