| 摘要 |
A name/address translation device includes judging unit for judging, when receiving a query, transmitted from a communication source, about an address corresponding to a name of a communication destination, whether a communication between the communication source and a communication destination is permitted or not, on the basis of network types to which the communication source and the communication destination respectively belong, second judging unit for judging based on a result of the judgment by the judging unit whether or not a communication destination address corresponding to the name is given as a response to the communication source, and response unit for acquiring, when the second judging unit judges that the address of the communication destination is given as the response, the address of the communication destination and giving the address of the communication destination as the response to the communication source.
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