Hi, When user first time register to my site.only that computer can access my site.none other computer can access my site.Please tell me how to do this.[one computer can access my site].I use php and joomla for that. Sorry for my wrong english. It is very argent for me. -- Regards, Yogesh Babar(Programmer) Phone no:9730325504. [Non-text portions of this message have been removed]