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nixos/memcached: Isolate the service

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memcached is (as the name suggests) an in-memory database so FS access
is not required.
This commit is contained in:
Janne Heß 2019-06-10 09:50:04 +02:00
parent 80b51d983a
commit c0e5acb16d
1 changed files with 18 additions and 0 deletions
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18
nixos/modules/services/databases/memcached.nix
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@ -86,7 +86,25 @@ in
in "${memcached}/bin/memcached ${networking} -m ${toString cfg.maxMemory} -c ${toString cfg.maxConnections} ${concatStringsSep " " cfg.extraOptions}";
User = cfg.user;
# Filesystem access
ProtectSystem = "strict";
ProtectHome = true;
PrivateTmp = true;
PrivateDevices = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectControlGroups = true;
RuntimeDirectory = "memcached";
# Caps
CapabilityBoundingSet = "";
NoNewPrivileges = true;
# Misc.
LockPersonality = true;
RestrictRealtime = true;
PrivateMounts = true;
PrivateUsers = true;
MemoryDenyWriteExecute = true;
};
};
};