Firewalls are used by organizations to protect their networks. Special Chat Problems A. Black screen or vibrating chat window For some student computers, downloading the Microsoft Virtual Machine has solved this problem. This is the Microsoft SDK for Java, Version 4.0 page. Read it carefully. B. Your access to the Internet is from behind a firewall Some students only access to the Internet is from an organizations computer network.
Organization use a firewall to help protect the network.
Unfortunately, firewalls block certain kinds of Internet activity like WebCT's chat and whiteboard features. Chat and Whiteboard will function normally. Click on the room to enter it. You will be able to see a list of all other users in the room. Type your message in the text box and press enter.