mors: import mors + config

modules/lass/bitcoin.nix

@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    electrum
+  ];
+
+  users.extraUsers = {
+    bitcoin = {
+      name = "bitcoin";
+      description = "user for bitcoin stuff";
+      home = "/home/bitcoin";
+      useDefaultShell = true;
+      createHome = true;
+    };
+  };
+}

modules/lass/browsers-lass.nix

@@ -0,0 +1,65 @@
+{ config, pkgs, ... }:
+
+{
+
+  nixpkgs.config.packageOverrides = pkgs : {
+    chromium = pkgs.chromium.override {
+      pulseSupport = true;
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    firefox
+    chromium
+  ];
+
+  users.extraUsers = {
+    firefox = {
+      name = "firefox";
+      description = "user for running firefox";
+      home = "/home/firefox";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+    chromium = {
+      name = "chromium";
+      description = "user for running chromium";
+      home = "/home/chromium";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+    facebook = {
+      name = "facebook";
+      description = "user for running facebook in chromium";
+      home = "/home/facebook";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+    google = {
+      name = "google";
+      description = "user for running google+/gmail in chromium";
+      home = "/home/google";
+      useDefaultShell = true;
+      createHome = true;
+    };
+    flash = {
+      name = "flash";
+      description = "user for running flash stuff";
+      home = "/home/flash";
+      useDefaultShell = true;
+      extraGroups = [ "audio" ];
+      createHome = true;
+    };
+  };
+
+  security.sudo.extraConfig = ''
+    lass ALL=(firefox) NOPASSWD: ALL
+    lass ALL=(chromium) NOPASSWD: ALL
+    lass ALL=(facebook) NOPASSWD: ALL
+    lass ALL=(google) NOPASSWD: ALL
+    lass ALL=(flash) NOPASSWD: ALL
+  '';
+}

modules/lass/desktop-base.nix

@@ -0,0 +1,157 @@
+{ config, pkgs, ... }:
+
+{
+  boot.tmpOnTmpfs = true;
+  # see tmpfiles.d(5)
+  systemd.tmpfiles.rules = [
+    "d /tmp 1777 root root - -"
+  ];
+
+  time.timeZone = "Europe/Berlin";
+
+  virtualisation.libvirtd.enable = true;
+
+  hardware.pulseaudio = {
+    enable = true;
+    systemWide = true;
+  };
+
+  # multiple-definition-problem when defining environment.variables.EDITOR
+  environment.extraInit = ''
+    EDITOR=vim
+    PAGER=most
+  '';
+
+  programs.bash = {
+    enableCompletion = true;
+    interactiveShellInit = ''
+      HISTCONTROL='erasedups:ignorespace'
+      HISTSIZE=65536
+      HISTFILESIZE=$HISTSIZE
+
+      shopt -s checkhash
+      shopt -s histappend histreedit histverify
+      shopt -s no_empty_cmd_completion
+      complete -d cd
+
+      #fancy colors
+      if [ -e ~/LS_COLORS ]; then
+        eval $(dircolors ~/LS_COLORS)
+      fi
+
+      if [ -e /etc/nixos/dotfiles/link ]; then
+        /etc/nixos/dotfiles/link
+      fi
+    '';
+    promptInit = ''
+      if test $UID = 0; then
+        PS1='\[\033[1;31m\]\w\[\033[0m\] '
+      elif test $UID = 1337; then
+        PS1='\[\033[1;32m\]\w\[\033[0m\] '
+      else
+        PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
+      fi
+      if test -n "$SSH_CLIENT"; then
+        PS1='\[\033[35m\]\h'" $PS1"
+      fi
+    '';
+  };
+
+  programs.ssh.startAgent = false;
+
+  security.setuidPrograms = [ "slock" ];
+
+  ###SERVICES BEGIN
+  services.gitolite = {
+    enable = true;
+    dataDir = "/home/gitolite";
+    adminPubkey = ''
+      ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAp83zynhIueJJsWlSEykVSBrrgBFKq38+vT8bRfa+csqyjZBl2SQFuCPo+Qbh49mwchpZRshBa9jQEIGqmXxv/PYdfBFQuOFgyUq9ZcTZUXqeynicg/SyOYFW86iiqYralIAkuGPfQ4howLPVyjTZtWeEeeEttom6p6LMY5Aumjz2em0FG0n9rRFY2fBzrdYAgk9C0N6ojCs/Gzknk9SGntA96MDqHJ1HXWFMfmwOLCnxtE5TY30MqSmkrJb7Fsejwjoqoe9Y/mCaR0LpG2cStC1+37GbHJNH0caCMaQCX8qdfgMVbWTVeFWtV6aWOaRgwLrPDYn4cHWQJqTfhtPrNQ== lass@mors
+    '';
+  };
+
+  services.journald.extraConfig = ''
+    SystemMaxUse=1G
+    RuntimeMaxUse=128M
+  '';
+
+  services.openssh = {
+    enable = true;
+    hostKeys = [
+      # XXX bits here make no science
+      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+    ];
+  };
+
+  services.printing = {
+    enable = true;
+    drivers = [ pkgs.foomatic_filters ];
+  };
+  ###SERVICES END
+
+  environment.systemPackages = with pkgs; [
+    gitolite
+    git
+
+  #terminal
+    most
+    powertop
+
+  #network
+    iptables
+
+  #video stuff
+    haskellPackages.xmobar
+    haskellPackages.yeganesh
+    dmenu2
+    xlibs.fontschumachermisc
+  ];
+
+  nix.useChroot = true;
+
+  #
+  # user settings
+  #
+  users.mutableUsers = false;
+  users.extraUsers = {
+    #gitolite = {
+    #  name = "gitolite";
+    #  description = "gitolite git manager";
+    #  home = "/home/gitolite";
+    #  createHome = true;
+    #  useDefaultShell = true;
+    #};
+    testing = {
+      name = "testing";
+      description = "user for testing various stuff";
+      home = "/home/testing";
+      useDefaultShell = true;
+      createHome = true;
+    };
+  };
+
+  networking.firewall = {
+    enable = true;
+
+    allowedTCPPorts = [
+      22
+    ];
+
+    extraCommands = ''
+      iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+      iptables -A INPUT -j ACCEPT -i lo
+
+      #iptables -N Retiolum
+      iptables -A INPUT -j Retiolum -i retiolum
+      iptables -A Retiolum -j ACCEPT -p icmp
+      iptables -A Retiolum -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+      iptables -A Retiolum -j REJECT -p tcp --reject-with tcp-reset
+      iptables -A Retiolum -j REJECT -p udp --reject-with icmp-port-unreachable
+      iptables -A Retiolum -j REJECT        --reject-with icmp-proto-unreachable
+      iptables -A Retiolum -j REJECT
+    '';
+
+    extraStopCommands = "iptables -F";
+  };
+
+}

modules/lass/elster.nix

@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+
+{
+  users.extraUsers = {
+    elster = {
+      name = "elster";
+      description = "user for running elster-online";
+      home = "/home/elster";
+      useDefaultShell = true;
+      extraGroups = [];
+      createHome = true;
+    };
+  };
+  security.sudo.extraConfig = ''
+    lass ALL=(elster) NOPASSWD: ALL
+  '';
+}

modules/lass/games.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    dwarf_fortress
+  ];
+
+  users.extraUsers = {
+    games = {
+      name = "games";
+      description = "user playing games";
+      home = "/home/games";
+      extraGroups = [ "audio" ];
+      createHome = true;
+      useDefaultShell = true;
+    };
+  };
+
+  security.sudo.extraConfig = ''
+    lass ALL=(games) NOPASSWD: ALL
+  '';
+}

modules/lass/pass.nix

@@ -0,0 +1,10 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    pass
+    gnupg1
+  ];
+
+  services.xserver.startGnuPGAgent = true;
+}

modules/lass/programs.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+
+## TODO sort and split up
+{
+  environment.systemPackages = with pkgs; [
+    aria2
+    gnupg1compat
+    htop
+    i3lock
+    mc
+    mosh
+    mpv
+    pass
+    pavucontrol
+    pv
+    pwgen
+    python34Packages.livestreamer
+    remmina
+    silver-searcher
+    wget
+    xsel
+    youtube-dl
+  ];
+}

modules/lass/retiolum-mors.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../tv/retiolum.nix
+  ];
+
+  services.retiolum = {
+    enable = true;
+    hosts = ../../hosts;
+    privateKeyFile = "/etc/nixos/secrets/mors.retiolum.rsa_key.priv";
+    connectTo = [
+      "fastpoke"
+      "gum"
+      "ire"
+    ];
+  };
+
+  networking.firewall.allowedTCPPorts = [ 655 ];
+  networking.firewall.allowedUDPPorts = [ 655 ];
+}

modules/lass/steam.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+
+{
+
+  imports = [
+    ./games.nix
+  ];
+  #
+  # Steam stuff
+  # source: https://nixos.org/wiki/Talk:Steam
+  #
+  ##TODO: make steam module
+  hardware.opengl.driSupport32Bit = true;
+
+  environment.systemPackages = with pkgs; [
+    steam
+  ];
+  networking.firewall = {
+    allowedUDPPorts = [
+      27031
+      27036
+    ];
+    allowedTCPPorts = [
+      27036
+      27037
+    ];
+  };
+
+}

modules/lass/urxvt-lass.nix

@@ -0,0 +1,54 @@
+{ pkgs, ... }:
+
+{
+  imports = [
+    ./urxvtd.nix
+  ];
+
+  services.urxvtd = {
+    enable = true;
+    users = [ "lass" ];
+    urxvtPackage = pkgs.rxvt_unicode_with-plugins;
+    xresources = ''
+      URxvt*scrollBar:                      false
+      URxvt*urgentOnBell:                   true
+      URxvt*font:                           -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+      URxvt*boldFont:                       -*-clean-*-*-*-*-*-*-*-*-*-*-iso10646-*
+      URxvt.perl-ext-common:      default,clipboard,url-select,keyboard-select
+      URxvt.url-select.launcher:  browser-select
+      URxvt.url-select.underline: true
+      URxvt.keysym.M-u:           perl:url-select:select_next
+      URxvt.keysym.M-Escape:      perl:keyboard-select:activate
+      URxvt.keysym.M-s:           perl:keyboard-select:search
+      
+      URxvt.intensityStyles: false
+      
+      !solarized colors
+      URxvt*fading:                         5
+      URxvt*background:                     #002b36
+      URxvt*foreground:                     #657b83
+      URxvt*fadeColor:                      #002b36
+      URxvt*cursorColor:                    #93a1a1
+      URxvt*pointerColorBackground:         #586e75
+      URxvt*pointerColorForeground:         #93a1a1
+      URxvt*colorUL:                        #859900
+      URxvt*colorBD:                        #268bd2
+      URxvt*color0:                         #073642
+      URxvt*color8:                         #002b36
+      URxvt*color1:                         #dc322f
+      URxvt*color9:                         #cb4b16
+      URxvt*color2:                         #859900
+      URxvt*color10:                        #586e75
+      URxvt*color3:                         #b58900
+      URxvt*color11:                        #657b83
+      URxvt*color4:                         #268bd2
+      URxvt*color12:                        #839496
+      URxvt*color5:                         #d33682
+      URxvt*color13:                        #6c71c4
+      URxvt*color6:                         #2aa198
+      URxvt*color14:                        #93a1a1
+      URxvt*color7:                         #eee8d5
+      URxvt*color15:                        #fdf6e3
+    '';
+  };
+}

modules/lass/vim.nix

@@ -0,0 +1,93 @@
+{ config, pkgs, ... }:
+
+{
+
+  environment.systemPackages = with pkgs; [
+    (vim_configurable.customize {
+      name = "vim";
+
+    vimrcConfig.customRC = ''
+      set nocompatible
+      set t_Co=16
+      syntax on
+      " TODO autoload colorscheme file
+      set background=dark
+      colorscheme solarized
+      filetype off
+      filetype plugin indent on
+
+      imap <F1> <nop>
+
+      set mouse=a
+      set ruler
+      set showmatch
+      set backspace=2
+      set visualbell
+      set encoding=utf8
+      set showcmd
+      set wildmenu
+
+      set title
+      set titleold=
+      set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:p:h\")})%)%(\ %a%)\ -\ %{v:servername}
+
+      set autoindent
+
+      set ttyfast
+
+      set pastetoggle=<INS>
+
+
+      " Force Saving Files that Require Root Permission
+      command! W silent w !sudo tee "%" >/dev/null
+
+      nnoremap <C-c> :q<Return>
+      vnoremap < <gv
+      vnoremap > >gv
+
+      "Tabwidth
+      set ts=2 sts=2 sw=2 et
+      autocmd BufRead *.js,*.json set ts=2 sts=2 sw=2 et
+      autocmd BufRead *.hs set ts=4 sts=4 sw=4 et
+
+      " create Backup/tmp/undo dirs
+      function! InitBackupDir()
+        let l:parent = $HOME . '/.vim/'
+        let l:backup = l:parent . 'backups/'
+        let l:tmpdir = l:parent . 'tmp/'
+        let l:undodi = l:parent . 'undo/'
+
+        if !isdirectory(l:parent)
+          call mkdir(l:parent)
+        endif
+        if !isdirectory(l:backup)
+          call mkdir(l:backup)
+        endif
+        if !isdirectory(l:tmpdir)
+          call mkdir(l:tmpdir)
+        endif
+        if !isdirectory(l:undodi)
+          call mkdir(l:undodi)
+        endif
+      endfunction
+      call InitBackupDir()
+
+      " Backups & Files
+      set backup
+      set backupdir=~/.vim/backups
+      set directory=~/.vim/tmp//
+      set viminfo='20,<1000,s100,h,n~/.vim/tmp/info
+      set undodir=$HOME/.vim/undo
+      set undofile
+    '';
+
+      vimrcConfig.vam.knownPlugins = vimPlugins;
+      vimrcConfig.vam.pluginDictionaries = [
+        { name = "Gundo"; }
+        { name = "commentary"; }
+        { name = "vim-addon-nix"; }
+        { name = "colors-solarized"; }
+      ];
+    })
+  ];
+}

modules/lass/virtualbox.nix

@@ -0,0 +1,16 @@
+{ config, pkgs, ... }:
+
+{
+  services.virtualboxHost.enable = true;
+
+  users.extraUsers = {
+    virtual = {
+      name = "virtual";
+      description = "user for running VirtualBox";
+      home = "/home/virtual";
+      useDefaultShell = true;
+      extraGroups = [ "vboxusers" ];
+      createHome = true;
+    };
+  };
+}

modules/lass/wine.nix

@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+
+{
+  users.extraUsers = {
+    elster = {
+      name = "elster";
+      description = "user for running elster-online";
+      home = "/home/elster";
+      useDefaultShell = true;
+      extraGroups = [];
+      createHome = true;
+    };
+  };
+  security.sudo.extraConfig = ''
+    lass ALL=(wine) NOPASSWD: ALL
+  '';
+}

modules/lass/xserver-lass.nix

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../tv/xserver.nix
+  ];
+  services.xserver.displayManager.auto.user = "lass";
+}

modules/mors/default.nix

@@ -0,0 +1,287 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../lass/desktop-base.nix
+    ../lass/programs.nix
+    ../lass/retiolum-mors.nix
+    ../lass/xserver-lass.nix
+    ../tv/synaptics.nix
+    ../lass/bitcoin.nix
+    ../lass/browsers-lass.nix
+    ../lass/games.nix
+    ../tv/exim-retiolum.nix
+    ../lass/pass.nix
+    ../lass/vim.nix
+    ../lass/virtualbox.nix
+    ../lass/elster.nix
+    ../lass/urxvt-lass.nix
+    ../lass/steam.nix
+  ];
+
+  networking.hostName = "mors";
+  networking.wireless.enable = true;
+
+  networking.extraHosts = ''
+  '';
+  nix.maxJobs = 4;
+
+  hardware.enableAllFirmware = true;
+  nixpkgs.config.allowUnfree = true;
+
+  boot = {
+    kernelParams = [
+      "acpi.brightness_switch_enabled=0"
+    ];
+    loader.grub.enable = true;
+    loader.grub.version = 2;
+    loader.grub.device = "/dev/sda";
+
+    initrd.luks.devices = [ { name = "luksroot"; device = "/dev/sda2"; } ];
+    initrd.luks.cryptoModules = [ "aes" "sha512" "sha1" "xts" ];
+    initrd.availableKernelModules = [ "xhci_hcd" "ehci_pci" "ahci" "usb_storage" ];
+    #kernelModules = [ "kvm-intel" "msr" ];
+    kernelModules = [ "msr" ];
+    extraModprobeConfig = ''
+    '';
+  };
+  fileSystems = {
+    "/" = {
+      device = "/dev/big/nix";
+      fsType = "ext4";
+    };
+
+    "/boot" = {
+      device = "/dev/sda1";
+    };
+
+    "/mnt/loot" = {
+      device = "/dev/big/loot";
+      fsType = "ext4";
+    };
+
+    "/home" = {
+      device = "/dev/big/home";
+      fsType = "ext4";
+    };
+
+    "/home/lass" = {
+      device = "/dev/big/home-lass";
+      fsType = "ext4";
+    };
+
+    "/mnt/backups" = {
+      device = "/dev/big/backups";
+      fsType = "ext4";
+    };
+
+    "/home/games/.local/share/Steam" = {
+      device = "/dev/big/steam";
+      fsType = "ext4";
+    };
+
+    "/home/virtual/virtual" = {
+      device = "/dev/big/virtual";
+      fsType = "ext4";
+    };
+
+    "/mnt/public" = {
+      device = "/dev/big/public";
+      fsType = "ext4";
+    };
+  };
+
+  services.udev.extraRules = ''
+    SUBSYSTEM=="net", ATTR{address}=="a0:88:b4:29:26:bc", NAME="wl0"
+    SUBSYSTEM=="net", ATTR{address}=="f0:de:f1:0c:a7:63", NAME="et0"
+  '';
+
+  #activationScripts
+  #split up and move into base
+  system.activationScripts.powertopTunables = ''
+    #Enable Audio codec power management
+    echo '1' > '/sys/module/snd_hda_intel/parameters/power_save'
+    #VM writeback timeout
+    echo '1500' > '/proc/sys/vm/dirty_writeback_centisecs'
+    #Autosuspend for USB device Broadcom Bluetooth Device [Broadcom Corp]
+    echo 'auto' > '/sys/bus/usb/devices/1-1.4/power/control'
+    #Autosuspend for USB device Biometric Coprocessor
+    echo 'auto' > '/sys/bus/usb/devices/1-1.3/power/control'
+
+    #Runtime PMs
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:02.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:16.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:00.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:03:00.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.3/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.2/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1f.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1d.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.3/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:0d:00.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1b.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1a.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:19.0/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:16.3/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.1/power/control'
+    echo 'auto' > '/sys/bus/pci/devices/0000:00:1c.4/power/control'
+  '';
+  system.activationScripts.trackpoint = ''
+    echo 0 > '/sys/devices/platform/i8042/serio1/serio2/speed'
+    echo 220 > '/sys/devices/platform/i8042/serio1/serio2/sensitivity'
+  '';
+
+  services.xserver = {
+
+    videoDriver = "intel";
+    vaapiDrivers = [ pkgs.vaapiIntel ];
+    deviceSection = ''
+      Option "AccelMethod" "sna"
+      BusID "PCI:0:2:0"
+    '';
+  };
+
+  #TODO move into modules
+  users.extraUsers = {
+    root = {
+      hashedPassword = "$6$78Zog6OCAQn6tFCO$jpOPksguWEsOPz7u1r6kVApD0Zb2SqjFV8Gn1JCZevcMtBI.jm0CcojXvW.v23xWDt4wZE4KcxFSNWNU.E9ef.";
+    };
+    #main user
+    lass = {
+      uid = 1337;
+      name = "lass";
+      #isNormalUser = true;
+      group = "users";
+      createHome = true;
+      home = "/home/lass";
+      useDefaultShell = true;
+      isSystemUser = false;
+      description = "lassulus";
+      extraGroups = [ "wheel" "audio" ];
+      hashedPassword = "$6$78Zog6OCAQn6tFCO$jpOPksguWEsOPz7u1r6kVApD0Zb2SqjFV8Gn1JCZevcMtBI.jm0CcojXvW.v23xWDt4wZE4KcxFSNWNU.E9ef.";
+    };
+    #miefda-mc-dev user
+    miefda = {
+      uid = 1338;
+      name = "miefda";
+      #isNormalUser = true;
+      group = "users";
+      createHome = true;
+      home = "/home/miefda";
+      useDefaultShell = true;
+      isSystemUser = false;
+      description = "miefda-minecraft-dev";
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+  ];
+
+  #TODO: fix this shit
+  ##fprint stuff
+  ##sudo fprintd-enroll $USER to save fingerprints
+  #services.fprintd.enable = true;
+  #security.pam.services.sudo.fprintAuth = true;
+
+  users.extraGroups = {
+    loot = {
+      members = [
+        "lass"
+        "firefox"
+        "chromium"
+        "google"
+      ];
+    };
+  };
+
+  networking.firewall = {
+    allowPing = true;
+    allowedTCPPorts = [
+      8000
+    ];
+    allowedUDPPorts = [
+      67
+    ];
+  };
+
+  services.ircdHybrid = {
+    enable = true;
+
+    description = "local test server";
+  };
+
+  #TODO
+  #services.urxvtd = {
+  #  enable = true;
+  #  users = [ "lass" ];
+  #  urxvtPackage = pkgs.rxvt_unicode_with-plugins;
+  #};
+
+  #system.activationScripts.iptables =
+  #  let
+  #    log = false;
+  #    when = c: f: if c then f else "";
+  #  in
+  #    ''
+  #      ip4tables() { ${pkgs.iptables}/sbin/iptables "$@"; }
+  #      ip6tables() { ${pkgs.iptables}/sbin/ip6tables "$@"; }
+  #      ipXtables() { ip4tables "$@"; ip6tables "$@"; }
+
+  #      #
+  #      # nat
+  #      #
+
+  #      # reset tables
+  #      ipXtables -t nat -F
+  #      ipXtables -t nat -X
+
+  #      #
+  #      #ipXtables -t nat -A PREROUTING -j REDIRECT ! -i retiolum -p tcp --dport ssh --to-ports 0
+  #      ipXtables -t nat -A PREROUTING -j REDIRECT -p tcp --dport 11423 --to-ports ssh
+
+  #      #
+  #      # filter
+  #      #
+
+  #      # reset tables
+  #      ipXtables -P INPUT DROP
+  #      ipXtables -P FORWARD DROP
+  #      ipXtables -F
+  #      ipXtables -X
+
+  #      # create custom chains
+  #      ipXtables -N Retiolum
+
+  #      # INPUT
+  #      ipXtables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+  #      ipXtables -A INPUT -j ACCEPT -i lo
+  #      ipXtables -A INPUT -j ACCEPT -p tcp --dport ssh -m conntrack --ctstate NEW
+  #      ipXtables -A INPUT -j ACCEPT -p tcp --dport http -m conntrack --ctstate NEW
+  #      ipXtables -A INPUT -j ACCEPT -p tcp --dport tinc -m conntrack --ctstate NEW
+  #      ipXtables -A INPUT -j ACCEPT -p tcp --dport smtp -m conntrack --ctstate NEW
+
+  #      #mc
+  #      ipXtables -A INPUT -j ACCEPT -p tcp --dport 25565
+  #      ipXtables -A INPUT -j ACCEPT -p udp --dport 25565
+
+  #      ipXtables -A INPUT -j Retiolum -i retiolum
+  #      ${when log "ipXtables -A INPUT -j LOG --log-level info --log-prefix 'INPUT DROP '"}
+
+  #      # FORWARD
+  #      ${when log "ipXtables -A FORWARD -j LOG --log-level info --log-prefix 'FORWARD DROP '"}
+
+  #      # Retiolum
+  #      ip4tables -A Retiolum -j ACCEPT -p icmp --icmp-type echo-request
+  #      ip6tables -A Retiolum -j ACCEPT -p ipv6-icmp -m icmp6 --icmpv6-type echo-request
+
+
+  #      ${when log "ipXtables -A Retiolum -j LOG --log-level info --log-prefix 'REJECT '"}
+  #      ipXtables -A Retiolum -j REJECT -p tcp --reject-with tcp-reset
+  #      ip4tables -A Retiolum -j REJECT -p udp --reject-with icmp-port-unreachable
+  #      ip4tables -A Retiolum -j REJECT        --reject-with icmp-proto-unreachable
+  #      ip6tables -A Retiolum -j REJECT -p udp --reject-with icmp6-port-unreachable
+  #      ip6tables -A Retiolum -j REJECT
+
+  #    '';
+}