Access control method
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United States of America Patent
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Nov 18, 2008
Grant Date -
N/A
app pub date -
Sep 13, 2000
filing date -
Sep 13, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An access control method executed by a computer system, including applying an access rate limit until a user issuing access requests is verified, a first control level involving verifying the user, a second control level applying hack program detection tests to the access requests and verifying the user, a third control level requiring use of predetermined download software for transmitting the access requests and verifying the user, a fourth control level blocking access to the service on the basis of at least one communications address corresponding to the access requests, and invoking the control levels sequentially depending on a number of failed attempts to verify the user.
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