On Thu, 2015-05-07 at 22:55 +0800, Teki Ri wrote: > Hi Nikos, > > My ocserv server is running on a Amazon EC2 instance, as you may know > EC2 instances have 2 kind of IP address assigned, private IP and > public IP. Commands executed from inside the OS such as ifconfig just > return the private IP, on the other hand when you communicate with the > internet, the public IP will be used. The NAS-IP-Address info of > radius account data received from ocserv is always the private IP, but > this NAS-IP-Address sending from other VPN services such as PPTP or > L2TP is always the public IP. It seems that the NAS-IP-Address was set by freeradius-client itself using the IP used to connect with the radius server. I have some untested patch in git master if you want to try. regards, Nikos