VPN COMMUNICATION TERMINAL COMPATIBLE WITH CAPTIVE PORTALS, AND COMMUNICATION CONTROL METHOD AND PROGRAM THEREFOR
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United States of America Patent
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Issued Date -
Sep 15, 2016
app pub date -
Feb 2, 2016
filing date -
Mar 10, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is, in a scene where a VPN communication terminal, which has a function of restricting its communication in a network outside a company to communication with a VPN authentication server, connects to the Internet via an access point that complies with a wireless LAN meeting the captive portal specifications, a mechanism capable of performing captive portal authentication independently of vendors while preventing leakage of information. A VPN communication terminal has mounted thereon (1) a functional unit configured to autonomously monitor the connection status of the terminal with the Internet, (2) a functional unit configured to allow communication of a browser program only when the terminal is not determined to be connected to the Internet; and (3) a functional unit configured to restrict network communication of the terminal to only communication with the VPN authentication server only when the terminal is determined to be connected to the Internet.
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