| 摘要 |
An intermediary device ensuring high security and lightening load on a client in a client-server system is disclosed. The intermediary device is provided between the server and the client. The intermediary device has a management table (403, 404) for storing security information indicating at least one of server authentication (408), client authentication (409) and encryption and decryption (410), and session information regarding a session formed between the server and the client. The intermediary device performs appropriate security operation depending on a received message on behalf of the client. <IMAGE> |
