[8.910][DUPE] HTML5 VPN Portal and middleware errors

Hi All

Not sure if this is related to the issue related to HTML5 VPN Portal (forcing the firewall to block traffic) but I've tried to enabled it and I got (along with the laready known bug) a lot of middleware errors 

2012:03:21-18:48:21 ***** middleware[3495]: >=========================================================================

2012:03:21-18:48:21 ***** middleware[3495]: E Argument "" isn't numeric in numeric eq (==) at /modules/IPTables/Adapters/clientless_vpn.pm line 64.
2012:03:21-18:48:21 ***** middleware[3495]: 
2012:03:21-18:48:21 ***** middleware[3495]:  1. main::_warn:179() mdw.pl
2012:03:21-18:48:21 ***** middleware[3495]:  2. modules::IPTables::Adapters::clientless_vpn::generateRules:64() /modules/IPTables/Adapters/clientless_vpn.pm
2012:03:21-18:48:21 ***** middleware[3495]:  3. modules::IPTables::Adapter::load:60() /modules/IPTables/Adapter.pm
2012:03:21-18:48:21 ***** middleware[3495]:  4. core::Config::load:277() /core/Config.pm
2012:03:21-18:48:21 ***** middleware[3495]:  5. main::top-level:221() mdw.pl
2012:03:21-18:48:21 ***** middleware[3495]: |=========================================================================
2012:03:21-18:48:21 ***** middleware[3495]: E Argument "" isn't numeric in numeric eq (==) at /modules/IPTables/Adapters/clientless_vpn.pm line 64.
2012:03:21-18:48:21 ***** middleware[3495]: 
2012:03:21-18:48:21 ***** middleware[3495]:  1. main::_warn:179() mdw.pl
2012:03:21-18:48:21 ***** middleware[3495]:  2. modules::IPTables::Adapters::clientless_vpn::generateRules:64() /modules/IPTables/Adapters/clientless_vpn.pm
2012:03:21-18:48:21 ***** middleware[3495]:  3. modules::IPTables::Adapter::load:60() /modules/IPTables/Adapter.pm
2012:03:21-18:48:21 ***** middleware[3495]:  4. core::Config::load:277() /core/Config.pm
2012:03:21-18:48:21 ***** middleware[3495]:  5. main::top-level:221() mdw.pl
2012:03:21-18:48:21 ***** middleware[3495]: |=========================================================================
2012:03:21-18:48:21 ***** middleware[3495]: E Argument "" isn't numeric in numeric eq (==) at /modules/IPTables/Adapters/clientless_vpn.pm line 64.
2012:03:21-18:48:21 ***** middleware[3495]: 
2012:03:21-18:48:21 ***** middleware[3495]:  1. main::_warn:179() mdw.pl
2012:03:21-18:48:21 ***** middleware[3495]:  2. modules::IPTables::Adapters::clientless_vpn::generateRules:64() /modules/IPTables/Adapters/clientless_vpn.pm


Thanks