partly OT: notification of url when connecting to open wifi

[Erez D]

Do you know what linux software can be used to proxy dns for some
clients, resolve everything to a predetermained IP to other clients ?

can dnsmasq do that ? other open software ?

On Tue, May 27, 2014 at 5:56 AM, Guy Gold <guy1gold at gmail.com> wrote:
> On Mon, May 26, 2014 at 7:25 PM, Amos Shapira <amos.shapira at gmail.com>
> wrote:
>>
>> Yes I think we got this. I'm not the OP bit I wonder what can an AP admin
>> do to configure it in a way which triggers this OS smarts on the client.
>
> At least, on my part, configuring our WiFi AP concentrator, I did nothing in
> order to make that happen, I configured the captive portal web page, but not
> more than that, which leads my believe it's an OS feature, rather then AP
> feature. (just my opinion though, no proof).
> The unit in production is an Enterasys C-25.
>
> As for how the Captive works, in our case,  it allows any client :53
> traffic, and blocks any other traffic,  also, it  resolves  any DNS query to
> to its own captive portal address, once a client (identified by MAC)
> authenticates, it then  stops the forced resolution to its own address,  and
> lets :53 and all  traffic through, to "real" Name Servers and the www.
>
>
>
> --
> Guy Gold
>
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