If you make a very secure and long shared secret and plan to change it from time to time you should get away with it. Ivan Kalik Kalik Informatika ISP Dana 30/5/2007, "Mati Katz" <matikatz@gmail.com> piše:
The simple answer is don't use dynamic hosts.
FreeRADIUS reads the clients file once at startup, resolves the IP's and then stores those. It won't know about the new IP until the daemon is restarted (or in theory HUP'ed when that is fixed).
If you must use dynamic hosts, then you will need to specify an IP range like this:
client 192.168.0.0/24 { secret = testing123-1 shortname = private-network-1 }
That would allow a NAS to have any of 254 different IP's and still be able to talk to FreeRADIUS. It would also allow anyone else on those IP's who wants to talk to you NAS and can figure out the secret to potentially do naughty things.
Thanks Dennis, i understand what you say but i thought that there is a way to use dynamic Dns because not all people have static IP , here in Israel at least. I understand that using a range of Ip is not secure , isn't it ?