commit 4e16f5a88427cd7f8c8aa8f3a5b4006391f7d91d · kitten.sh/system

+9 -1

modules/router/kernel.nix

···

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             "net.ipv6.conf.all.autoconf" = false;

     

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             "net.ipv6.conf.all.accept_ra" = false;

     

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       -
             "net.ipv4.ping_group_range" = "0 65536";

     

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       +
             "kernel.kptr_restrict" = 2;

     

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       +
             "kernel.dmesg_restrict" = 0;

     

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       +
             "kernel.sysrq" = 4;

     

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       +
             "kernel.unprivileged_bpf_disabled" = true;

     

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       +
             "kernel.perf_event_paranoid" = 3;

     

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       +
             "kernel.yama.ptrace_scope" = 2;

     

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       +
             "kernel.kexec_load_disabled" = true;

     

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       +
             "net.core.bpf_jit_harden" = 2;

     

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       +
             "dev.tty.ldisc_autoload" = false;

     

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           };

     

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         };

     

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       }

modules/server/podman.nix

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             description = "Whether to enable Podman.";

     

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             type = types.bool;

     

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           };

     

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       +
       

     

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       +
           tweakKernel = mkEnableOption "Whether to tweak kernel configuration";

     

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         };

     

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         config = mkIf cfg.enable && cfgRoot.enable {

     
···

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                 dns_enabled = true;

     

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               };

     

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             };

     

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       +
           };

     

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       +
       

     

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       +
           boot.kernel.sysctl = mkIf cfg.tweakKernel {

     

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       +
             "kernel.unprivileged_userns_clone" = true;

     

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       +
             "net.ipv4.ping_group_range" = "0 65536";

     

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           };

     

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         };

     

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       }