Communication between hostap and Radius Server (several hops away)

Douglas Diniz dgdiniz at gmail.com
Wed Mar 24 12:01:41 EDT 2010


Thanks M. Braun. One more question, even with EAP-TTLS the MSK is sent
only with MD5 encryption, with Radius Shared Secret as seed, right?

Thanks..........

On Wed, Mar 24, 2010 at 11:19 AM,  <michael-dev at fami-braun.de> wrote:
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> Hi,
>
> Douglas Diniz schrieb:
>> Hi, I have several terminals with hostap installed. I need to
>> authenticate them in a Radius Server (Freeradius), but the radius
>> server is several hops away from the terminals. Do I need some type of
>> proxy to do this?
>
> Radius is UDP over IP or IPv6. So as long as your network layer is setup
> correctly (e.g. routing is fine), this should not be a problem.
> If you cannot route directly to the target radius server or if you
> have to split serveral reals to different radius servers, you'll need to
> setup a proxy radius server. This proxy radius server may also serve one
> or more realms on its own, thus it does not need to be a proxy-only server.
>
>> I also need to encrypt the packets between hostap
>> and freeradius. Someone could give me some directions?
>
> Regarding user credentials, using EAP with TTLS avoids this.
> For any further needs, just use IPsec or any kind of VPN.
>
> Regards
>  M. Braun
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