{ ... }: {
  programs.ssh = {
    enable = true;
    enableDefaultConfig = false;
    matchBlocks = {
      "*" = {
        forwardAgent = false;
        addKeysToAgent = "no";
        compression = false;
        serverAliveInterval = 0;
        serverAliveCountMax = 3;
        hashKnownHosts = false;
        userKnownHostsFile = "~/.ssh/known_hosts";
        controlMaster = "no";
        controlPath = "~/.ssh/master-%r@%n:%p";
        controlPersist = "no";
      };
      "veltko.de" = {
        user = "weckyy702";
        port = 47213;
      };
      "duke.veltnet" = {
        user = "konstantin";
      };
      #TODO: beastie
    };
  };
  services.ssh-agent = {
    enable = true;
    enableZshIntegration = true;
  };
}