DigiChat 5.1 - JAVA Security

In DigiChat 5.1 , Some Bad Users Can use WPE OR Other Similar Packets Based Program to send packets to do the flowing things : 1- kick all user or one user from the chat 2- Transfer the user from room to room with out his consent 3- Create public and privet rooms and from deleting the existing rooms 4- login to the chat by invisible nick name 5- transfer all the user in the chat to one room with out their consent 6- using the restricted picture which is prohibited for user 7- Flooding in public chat and private chat 8- See the invisible moderator in the chat 9- login to the chat from other host 10- Write in the chat by using the chat master name 11- kick ChatMaster/Moderator if he have the not kick option Project Requirments (Mainly dealing with security) - Flood Secure System ( Stop users from doing foolding (Public or Private) - Receive System Secure (Block All Third party application that cause server or the Chat to overload ) - Filtering the income packets from WPE PRO OR Other similar applications - Alert System - give warning to the users if they start flooding and then kick if not responding. - limit text entry in the text box (example not more than 200 characters)