米国:無線LANのエリア内を監視しセキュリティポリシーを強制するための方法に関する特許が成立
下記の特許が成立したようだ。
Method and system for monitoring a selected region of an airspace associated with local area networks of computing devices
United States Patent 7804808
http://www.freepatentsonline.com/7804808.html
[この特許の要旨]
A method for monitoring a selected region of an airspace associated with local area networks of computing devices is provided. The method includes providing one or more segments of a legacy local area network to be protected in a selected geographic region. The legacy local area network is characterized by an unsecured airspace within the selected geographic region. The method includes determining a security policy associated with the one or more segments of the legacy local area network. The security policy at least characterizes a type of wireless activity in the unsecured airspace to be permitted, denied, or ignored. Additionally, the method includes connecting one or more sniffer devices into the legacy local area network. The one or more sniffer devices are spatially disposed within the selected geographic region to cause at least a portion of the unsecured airspace to be secured according to the security policy.
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