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Subject: Re: Fwd: Re: Quasi-enterprise WiFi network
To: Victor Sudakov <vas@mpeks.tomsk.su>
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Cc: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl>, freebsd-net@freebsd.org
From: Eugene Grosbein <eugen@grosbein.net>
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14.01.2018 14:24, Victor Sudakov wrote:

>>> Do you know how commercial captive portals handle this problem? Do they
>>> install their own box near every customer's AP?
>>
>> No. For example, UniFi (which is Linux-based AP with iptables/ebtables)
>> keeps table of MAC addresses of customers passed authorization and redirects
>> HTTP requests of others to single portal using some kind of socket forwarding or NAT.
>> And portal informs AP of authorization success for a client to add its MAC to that table.
> 
> So, they (commercial captive portal services) install their own AP
> then? In hardware?

Yes.