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ParaChat chat servers are prone to a denial of service condition. If a user has left the webpage for a chat room using the Back or Forward buttons of their browser in lieu of logging out, their account will still be logged into the chat room until it times out 15 minutes later. A malicious user may do this repeatedly as different users to overload the chat server with "phantom" users. A denial of service may be the result.

ParaChat chat servers are prone to a denial of service condition. If a user has left the webpage for a chat room using the Back or Forward buttons of their browser in lieu of logging out, their account will still be logged into the chat room until it times out 15 minutes later. A malicious user may do this repeatedly as different users to overload the chat server with "phantom" users. A denial of service may be the result.