The Firewall tab under system shows the following repeated warnings/notices until Fail2Ban is installed
Notice: Undefined index: rules in /opt/tinycp/www/mods/system/base/inc/IPTables.class.php on line 83
Warning: Invalid argument supplied for foreach() in /opt/tinycp/www/mods/system/base/inc/IPTables.class.php on line 83
TinyCP:v274