ABOUT
  fwmonitor is a script written in lua to monitor you firewall throughput in realtime,
  it calculates statics by looking /proc/net/dev and by the command "iptables -L -n -x -v".
  It was created for monitoring DDOS floods.

AUTHORS
  darone - https://github.com/darone
  edubart - https://github.com/edubart

  Originally created by darone, slightly changes made by edubart.

INSTALL
  $ sudo apt-get install luarocks
  $ sudo luarocks install lua_signal
  $ sudo luarocks install luasocket
  $ sudo make install

USAGE
  $ sudo fwmonitor

  NOTE: you must run as root
  NOTE: logs are saved to /var/log/fwmonitor/
  TIP: you may want to run inside a screen session