| 摘要 |
A Secure Extranet Server (SES) provides for secure and traceable communication and document exchange between a trusted network and an untrusted network by authenticated users. The SES includes a first partition in communication with the untrusted network and a second partition in communication with the trusted network. The second partition maintains a session table and is in communication with a user authentication and authorization module. Communication between the first and second partition is preferably initiated by a request from the second partition. Security tokens attached to messages provide constraint checking on user inputs, access to documents and servers within the trusted network, checkout and checkin of controlled documents, and a single sign-on capability for on-line applications as well as local applications operating on protected files at remote user computers.
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