| 摘要 |
There is provided a technique for increasing safety of access to a content. A virus/fishing site list (161) holds a list of URL of fishing sites for acquiring personal information such as a card number, a personal identification number, and a password in an unauthorized way by giving an appearance as an authorized site. When a communication control unit (2) receives a packet containing communication data for requesting an access to a content via a network, a search circuit (30) compares the URL of the content of the access destination contained in the communication data to the URL of the fishing site contained in the virus/fishing site list (161). If the address of the content of the access destination is matched with the URL of the fishing site, a processing execution circuit (40) inhibits the access to the content.
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