communication safe ssh <-> NAS <-> FreeRADIUS ?

[Ivan Kalik]

> I authenticate on cisco equipments via ssh/telnet. There is no supplicant,
> so I don't understand in my case and i would like to know if the
> communication between my cisco equipment and my FreeRadius  safe is. I
> have a secret shared between both. I understand that the communciation
> between freeradius and the client radius use the protocol Radius. But in
> my case there is no PEAP, EAP/TLS ...
> Someone can confirm me please if the communication is safe ? because I
> afraid to see in the file users my password in clear-text. Is it possible
> to use md5, ssha ... and how ?
>

Radius protocol *uses* md5 to encrypt password in the request.

http://www.ietf.org/rfc/rfc2865.txt

Ivan Kalik
Kalik Informatika ISP