systemd hardening

This commit is contained in:
Oystein Kristoffer Tveit 2024-10-20 01:29:48 +02:00
parent 6bb8d28eff
commit bdf983f954
Signed by: oysteikt
GPG Key ID: 9F2F7D8250F35146
1 changed files with 39 additions and 0 deletions

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@ -100,6 +100,45 @@ in
ExecStart = "${lib.getExe cfg.package} ${lib.cli.toGNUCommandLineShell { } cfg.settings}"; ExecStart = "${lib.getExe cfg.package} ${lib.cli.toGNUCommandLineShell { } cfg.settings}";
Restart = "always"; Restart = "always";
RestartSec = 3; RestartSec = 3;
IPAddressDeny =
lib.optionals (lib.elem cfg.settings.host [ null "localhost" "127.0.0.1" ]) [ "any" ];
RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
AmbientCapabilities = [ "" ];
CapabilityBoundingSet = [ "" ];
DeviceAllow = [ "" ];
LockPersonality = true;
# Might work, but wouldn't bet on it with embedded scripting lang in mpv
MemoryDenyWriteExecute = false;
NoNewPrivileges = true;
# MPV and mesa tries to talk directly to the GPU.
PrivateDevices = false;
PrivateMounts = true;
PrivateTmp = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = "tmpfs";
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProtectSystem = "strict";
RemoveIPC = true;
UMask = "0077";
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
"~@resources"
];
}; };
}; };
}) })