Patent US 6,345,291

In an Internet system having a plurality of applications, and a plurality of servers for attachment from a plurality of web browsers, a system supports connection oriented applications over a connectionless protocol. At least one of the servers is a master server work station gateway owning a well-known port, and the other servers are slave servers supporting established web browser-to-application state sessions. Dynamic session authentication checking is done by the server to prevent the occurrence of screen spoofing by providing authentication keys which are unique to each session and each panel.