| 摘要 |
<p>PROBLEM TO BE SOLVED: To realize a single sign-on without correcting an existing authentication system.SOLUTION: The communication data relay device comprises: information management means 219 for managing information on authentication procedures of a plurality of servers; communication control means 216 for controlling communication relay between the plurality of servers and at least one client; authentication relay means 217 for, in response to an authentication request including the authentication information received from the client, substitutionally performing the authentication procedures to the plurality of servers on the basis of the information on the authentication procedures managed by the information management means 219; management means 218 for managing access qualification information including the authentication information received from each of the servers of which authentication has been successful by the substitute for the authentication relay means 217, together with a result of the authentication success; and authentication result reply means 220 for replying the result of the authentication success and the access qualification information to the client which has transmitted the authentication request.</p> |
