Integrated search engine. Ban users based on IP address or email address. Confirm user's email address during registration. User group based security - assign a user to a group and specify that group's permissions for the whole board or just particular forums. This allows private forums and announcement forums where only certain people can start threads.
Users can specify time zone that they are in, and all times are then shown in their local time zone.
Posts since last visit are marked so you can tell at a glance whether there have been new posts. Almost anything is customizable - control almost everything on your board through templates and an extensive set of options. For optimum performance, we recommend that vBulletin is run on a server that has at least MySQL 3.23.33 and at least PHP 4 installed. We recommend that you download the freeware feature-limited version of vBulletin to make sure the software is compatible with your server. We recommend you contact your server hosting company to verify that they have the correct versions of PHP and MySQL installed.