{
  pkgs,
  config,
  lib,
  ...
}:
with lib;
{
  config = mkIf (config.components.network.sshd.enable) {

    services.openssh.knownHosts = {
      github = {
        hostNames = [
          "*.github.com"
          # List generated with
          # curl -sS https://api.github.com/meta | jq -r .git[] | cidr2glob
          "192.30.252.*"
          "192.30.253.*"
          "192.30.254.*"
          "192.30.255.*"
          "185.199.108.*"
          "185.199.109.*"
          "185.199.110.*"
          "185.199.111.*"
          "13.229.188.59"
          "13.250.177.223"
          "18.194.104.89"
          "18.195.85.27"
          "35.159.8.160"
          "52.74.223.119"
        ];
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl";
      };
      gitlab = {
        hostNames = [ "gitlab.com" ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFSMqzJeV9rUzU4kWitGjeR4PWSa29SPqJ1fVkhtj3Hw9xjLVXVYrU9QlYWrOLXBpQ6KWjbjTDTdDkoohFzgbEY=";
      };
      gitlab-bk = {
        hostNames = [
          "gitlab.bk-bund-berlin.de"
          "116.203.133.59"
        ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCG/sjnOlbrmpUliFtM5fmZTcm2wpUoP5OQEzFrrkkwhstCO9fMty9mp5qnKlezYA9+l78RTd218qFjSKYxTQNw=";
      };
      # space-left
      gitlabSpaceLeft = {
        hostNames = [ "git.space-left.org" ];
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAapztj8I3xy6Ea8A1q7Mo5C6zdgsK1bguAXcKUDCRBO";
      };
      # c-base
      "bnd-cbase" = {
        hostNames = [ "bnd.cbrp3.c-base.org" ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKDknNl4M2WZChp1N/eRIpem2AEOceGIqvjo0ptBuwxUn0w0B8MGTVqoI+pnUVypORJRoNrLPOAkmEVr32BDN3E=";
      };
      "shell.cbase" = {
        hostNames = [ "shell.c-base.org" ];
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOBKBn0mZtG3KWxpFqqcog8zvdIVrZmwj+ARujuNIAfo";
      };
      "kgb.cbase" = {
        hostNames = [ "kgb.cbrp3.c-base.org" ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAdyl7fnnCqomghJ1TDbh5FWFQWFwoO1Y1U/FpmWd8a9RcQvN0Izhg/7A+7ptDxbmpVii8hqfghlqUwtvVy7jo8=";
      };
      "cns.cbase" = {
        hostNames = [ "cns.c-base.org" ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBOtlyLA2nMK9Uqpv4EbWS+rZ9Mx4bAjURmH+zrXkuRGBcU1cKm+TZfWe9/rPX57KaMPBDyIygOJIsM2T5SqX90A=";
      };
      "lassulus" = {
        hostNames = [ "[lassul.us]:45621" ];
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAsANFdMi825qWQXQbWLYuNZ6/fARt3lnh1KStQHQQMD";
      };
      renoise = {
        hostNames = [
          "*.renoise.com"
          "renoise.com"
          "94.130.128.97"
        ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLXxhBlYQJxgcLqKywpl1tI1N/+B5bkptAnR2a3tsRybq0IHZnIkSRGUYcu5zPwJT+bitVw8BvIaGzxI+Zm2ivE=";
      };
      git-renoise = {
        hostNames = [
          "[git.renoise.com]:2229"
          "[94.130.128.97]:2229"
        ];
        publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCmIOTjQsD1TaD9MiECcRqwfAXfRdbI+2pkuF+zhBUkrX41NA4LzifPY4Iw3PlklE0YGIOzYyNitzkdgxIWkeqa0Y9iL3gGZBuLFORj5YXWlDKB2RrPAsZRL8y69y4H6RWPpL6DHHsf9eT+HgRzWzzn5nUFLfkCsuM96BqjIKN1pinIBcE6gst1UUSwSTjK8XZA5d4BiSrLF4HiNXnDm+qniYGbGkzZcjn1ua+l0GdGbfg9TotFnSK/QXgN3MeHHDZKnIjOIkOXCY+L5URe0RHo6pBFdj+BLr211AJhB52MrDNudQcY6eSQiJ08LeE6SkcrsQO/VZ/JnOkHxHd2mOyH";
      };
      "siteground" = {
        hostNames = [
          "[es5.siteground.eu]:18765"
          "[37.60.224.6]:18765"
        ];
        publicKey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHZuvHooyHa69rU+SfOghM6yfc7bce5cMi9sh5JkoLPi+m8QEkX3oiG9rRpAhp0GYnB74M4l1+0XlxmG7/HVmq0=";
      };
      "cracksucht.de" = {
        hostNames = [ "cracksucht.de" ];
        publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDVqpWzX+C7veO/1MDSdh5ukFhpI4cfXevbl6DVb9gVt1wdYB0JsiMiWfl13MZJy9iEP/KfwRLYmu8i36tDR9uJfHQyLK8G7q2DhrleIPgM3dFCdDU1QtulE8hEq/ZsqzMn/QIHYIipIqzNfmC/xnpX2gIo09T7EY+n863ALlj+GqxMb4nr2XDLY+Lllo2yMzylJIz9q8U5hOmzrlCnBpf2MPMwanHXnZXj2CmO80VyBHnAMJ/h72AN1qzDaHFlhxh0Li/POc1bpDjiVjiUPgimHZWpi3VObxWLLn2zf+RH2lx0yXMccSEnkWvHp+Ll5apIUUS+vTlDo3niWpEfGZLl root@debian";
      };
    };

  };
}