docs: function displayHelp() {
  	console.log('nnsyslog –a address,... -d directory [-p port] [–v] [–h] [–6] [-c configFile]');
  	console.log('NETASQ Node Syslog %s', libSyslog.version);
  	console.log('Options:');
  	console.log('  v: enable verbose');
  	console.log('  h: display this help');
  	console.log('  a: firewall address. Can be a list of addresses comma separated');
  	console.log('  d: log directory');
  	console.log('  p: port');
  	console.log('  6: Ip V6');
  	console.log('  c: config file');
  	
  }