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nixos/grafana: systemd unit hardening

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This commit is contained in:
Alexandre Iooss 2021-08-15 13:55:43 +02:00
parent c8f5c0a8be
commit bbc51efb46
1 changed files with 27 additions and 0 deletions
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27
nixos/modules/services/monitoring/grafana.nix
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@ -675,6 +675,33 @@ in {
User = "grafana";
RuntimeDirectory = "grafana";
RuntimeDirectoryMode = "0755";
# Hardening
CapabilityBoundingSet = [ "" ];
DeviceAllow = [ "" ];
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateTmp = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProtectSystem = "full";
RemoveIPC = true;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
UMask = "0027";
};
preStart = ''
ln -fs ${cfg.package}/share/grafana/conf ${cfg.dataDir}