I noticed that some public networks require sign-in after connection, aka Captive Portal.

I am implementing my own Captive Portal, and my clients (mostly mobile devices) need to know that my public network requires sign-in after connection.

I would something like Android's behavior:

Sign into network

What is the direction to achieve this behavior?

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    If you actually deploy a captive portal properly, this will happen automatically. – Michael Hampton Aug 14 '15 at 1:52
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    No, there is no "setting". Please let me know what was confusing about my last statement. – Michael Hampton Aug 14 '15 at 1:55
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    Buy a router that have a guess service on it ? – yagmoth555 Aug 14 '15 at 2:01
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    That would not be a proper captive portal, and wouldn't work anyway. Do yourself a favor, and use an existing captive portal software (e.g. PacketFence). – Michael Hampton Aug 14 '15 at 2:01
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    @Richard: You've been given the general direction in which to proceed, why don't you go do some research, reading and learning for yourself. – joeqwerty Aug 14 '15 at 2:33

This might happen automatically with a proper captive portal. However be aware that the sign in 'recognition' that you see on that android device is not a feature of the wireless network itself, but a feature of the client device. In other words it is up to client devices whether or not they are able to detect if an open wifi network has a captive portal running.

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