| 摘要 |
An acquisition unit of a user terminal acquires an initiator ID including a user ID and a computer ID. The initiator ID is transmitted by a transmitter unit, and then, received by a transmitter/receiver unit of a storage device. A LUDB stores information determining a LU corresponding to each user ID of several users. A masking unit refers to the LUDB to determine the LU corresponding to the user ID. If the received initiator ID differs from an initiator ID stored in a table corresponding to the determined LU, an access control unit refuses access to the LU by the user terminal.
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