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Captive Portal Articles on Small Business ISA500 series devices

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Captive portal is an additional authentication step that can used for both guests and authenticated users. Clients will see a special web page for authentication purposes before they are allowed to use the internet normally. Captive portal makes use of the web browser and turns it into an authentication device. Captive portals are specially used at many Wi-Fi hotspots to either give guest access or to charge users to get access to the internet. Captive portal is similar to wireless security but has an added advantage of customized user login page and user account setup.