Chat Room for Website

I need a new chat room on [login to view URL] to replace the one there now. I need control of users being able to ban them by username and IP plus instantly delete their posts We need a profanity blocker that we can add words to. The text size must be changeable. Users should be able to post links. Users should have to provided a verifiable email address before posting I want to chat with the freelancer in a chat room during the project. I have Fantastico, Joomla, Drupal and more on my dedicated srver.