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nixos/opendkim: add systemd service sandbox

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This commit is contained in:
Philipp Bartsch 2020-07-17 00:30:51 +02:00
parent c643d58349
commit 118f341723
1 changed files with 29 additions and 0 deletions
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29
nixos/modules/services/mail/opendkim.nix
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@ -129,6 +129,35 @@ in {
User = cfg.user;
Group = cfg.group;
RuntimeDirectory = optional (cfg.socket == defaultSock) "opendkim";
StateDirectory = "opendkim";
StateDirectoryMode = "0700";
AmbientCapabilities = [];
CapabilityBoundingSet = [];
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateMounts = true;
PrivateTmp = true;
PrivateUsers = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectSystem = "strict";
RemoveIPC = true;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6 AF_UNIX" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [ "@system-service" "~@privileged @resources" ];
UMask = "0077";
};
};