#=============================#
#    Client ban by hostyle    #
#=============================#
$uagent = $_SERVER['HTTP_USER_AGENT'];
$bua = do_mysql_query("SELECT regex FROM banned_agent WHERE active = 'yes'") or err('Tracker error (1)');
while ($nea = mysql_fetch_array($bua)){
	$n = $nea['regex'];
	if (preg_match("/$n/", $uagent)) {
		err("Out of date or Banned Client, $uagent");
	}
}
#====================#
#   End client ban   #
#====================#