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Hardening the systemd service #25

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Hardening the systemd service #25

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27 changes: 24 additions & 3 deletions meshnamed.service
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,31 @@ Wants=network.target
After=network.target

[Service]
User=nobody
Group=nogroup
RemoveIPC=true
DynamicUser=true
NoNewPrivileges=true
CapabilityBoundingSet=
SystemCallArchitectures=native
MemoryDenyWriteExecute=true
LockPersonality=true
RestrictNamespaces=true
RestrictAddressFamilies=AF_INET6
RestrictRealtime=true
ProtectKernelTunables=true
ProtectHostname=true
ProtectHome=true
ProtectSystem=true
ProtectProc=ptraceable
ProtectSystem=strict
ProtectClock=true
ProtectKernelLogs=true
ProtectControlGroups=true
ProtectKernelModules=true
PrivateTmp=true
PrivateUsers=true
PrivateDevices=true
ProcSubset=pid
SystemCallFilter=~@clock @cpu-emulation @debug @module @mount @obsolete @privileged @raw-io @reboot @resources @swap

SyslogIdentifier=meshnamed
ExecStart=/usr/local/bin/meshnamed -listenaddr [::1]:53535
Restart=always
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