2022-03-10 12:25:23 +00:00
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{ config, pkgs, lib, ... }: {
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2022-03-05 10:27:03 +00:00
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containers.snowflake = {
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autoStart = true;
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ephemeral = true;
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config = {
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systemd.services.snowflake = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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IPAccounting = "yes";
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ExecStart = "${pkgs.snowflake}/bin/proxy";
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DynamicUser = "yes";
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# Read-only filesystem
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ProtectSystem = "strict";
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PrivateDevices = "yes";
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ProtectKernelTunables = "yes";
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ProtectControlGroups = "yes";
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ProtectHome = "yes";
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# Deny access to as many things as possible
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NoNewPrivileges = "yes";
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PrivateUsers = "yes";
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LockPersonality = "yes";
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MemoryDenyWriteExecute = "yes";
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ProtectClock = "yes";
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ProtectHostname = "yes";
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ProtectKernelLogs = "yes";
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ProtectKernelModules = "yes";
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RestrictNamespaces = "yes";
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RestrictRealtime = "yes";
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RestrictSUIDSGID = "yes";
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SystemCallArchitectures = "native";
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2022-03-10 12:25:23 +00:00
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SystemCallFilter =
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"~@chown @clock @cpu-emulation @debug @module @mount @obsolete @raw-io @reboot @setuid @swap @privileged @resources";
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2022-03-05 10:27:03 +00:00
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CapabilityBoundingSet = "";
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ProtectProc = "invisible";
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ProcSubset = "pid";
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};
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};
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};
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};
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}
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