{ ... }:
{
  config = {
    programs.ssh.matchBlocks = {
      "surtr" = {
        hostname = "surtr.yggdrasil";
        identityFile = "~/.ssh/gkleen@skadhi.yggdrasil";
      };
      "surtr.yggdrasil.li" = {
        identityFile = "~/.ssh/gkleen@skadhi.yggdrasil";
      };
      "sif" = {
        hostname = "sif.yggdrasil";
        identityFile = "~/.ssh/gkleen@skadhi.yggdrasil";
      };
      "vidhar" = {
        hostname = "vidhar.yggdrasil";
        identityFile = "~/.ssh/gkleen@skadhi.yggdrasil";
      };
      "ymir" = {
        hostname = "ymir.yggdrasil.li";
        identityFile = "~/.ssh/gkleen@skadhi.yggdrasil";
      };
      "skadhi" = {
        extraHostNames = [".host" "skadhi.yggdrasil" "localhost" "::1" "127.0.0.0/8"];
        identityFile = "~/.ssh/gkleen@skadhi.yggdrasil";
      };
    };
  };
}