Re: Wifi && connect from Android YourFreedom App (a bit OT)

Am 2013-12-18 13:27, schrieb Matthias Apitz:
> Hello,
> 
> I returned last night from Havana, Cuba. They have now Wifi in the
> hotels and my FreeBSD netbook (10-CURRENT) connected fine, on start of
> WPA you get an IP addr by DHCP and the first page in a browser (FF 
> 24.0)
> re-directed you to a page to enter the credentials (login, password for
> around 4 USD per hour); a lot of cubans were sitting around with their
> laptops and Android based tablets using the Wifi zone of the hotel;
> 
> I talked to someone and he said he was using some App 'Your Freedom'
> (or something like that) and was not asked for credentials to connect
> to his Facebook account, etc. This surprised me a bit, how this could
> work technically, and that's why I wanted to ask it here: how this 
> could
> bypass the credential page, because I could not route traffic through
> the assigned IP on the WLAN interface without passing the credential
> page... how this could work with this App? My interest is only
> technically or due to the surprise, I do not want to use such trick on
> FreeBSD and I do not have any Android device.


It's possibly tunneled via port 53 (DNS)?
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