{ inputs, ... }:
{
  flake.modules.nixos.ssh =
    { pkgs, ... }:
    {
      services.openssh = {
        enable = true;
        settings = {
          X11Forwarding = false;
          PermitRootLogin = "no";
          PasswordAuthentication = false;
        };
        openFirewall = true;
      };

      home-manager.sharedModules = [
        inputs.self.modules.homeManager.ssh
      ];
    };

  flake.modules.darwin.ssh =
    { pkgs, ... }:
    {
      services.openssh.enable = true;

      home-manager.sharedModules = [
        inputs.self.modules.homeManager.ssh
      ];
    };

  flake.modules.homeManager.ssh =
    { pkgs, config, ... }:
    {
      programs.ssh = {
        enable = true;
        enableDefaultConfig = false;
        matchBlocks = {
          "*" = {
            addKeysToAgent = "yes";
          };
          "dnsc-machine" = {
            hostname = "192.168.178.250";
            user = "dennis";
            identityFile = "${config.home.homeDirectory}/.ssh/id_ed25519";
            identitiesOnly = true;
          };
          "dnsc-server" = {
            hostname = "192.168.178.69";
            user = "dennis";
            identityFile = "${config.home.homeDirectory}/.ssh/id_ed25519";
            identitiesOnly = true;
          };
          "dnsc-vps-sm" = {
            hostname = "91.99.21.186";
            user = "dennis";
            identityFile = "${config.home.homeDirectory}/.ssh/id_ed25519";
            identitiesOnly = true;
          };
          "dnsc-storage" = {
            hostname = "u295965.your-storagebox.de";
            user = "u295965";
            identityFile = "${config.home.homeDirectory}/.ssh/id_ed25519";
            identitiesOnly = true;
            port = 23;
          };
          "dnsc-storage-sftp" = {
            hostname = "u295965.your-storagebox.de";
            user = "u295965";
            identityFile = "${config.home.homeDirectory}/.ssh/id_ed25519";
            port = 22;
          };
        };
      };
    };
}