NAS IP address under NAT

[Nikos Mavrogiannopoulos]

On Fri, 2015-11-13 at 05:21 +0800, yick xie wrote:
> Dear developers,
> 
> I found a little issue, hope you don't mind of having a look at it.
> 
> The ocserv seems to packet the "NAS IP address" which is used by
> freeradiusclient  to send messages. Recently I deployed a cloud VM
> which is placed behind a firewall to separate the internal network
> from public Internet. The VM is assigned  with a group of private IP
> addresses (e.g. 10.15.0.0/22), and at the same time with a dedicated
> public IP address (e.g. 210.*.*.37) or even more, while the firewall
> need to be set manually to forward. Therefore what we can see from 
> the radius server is just certain private IP address.

If that is to be done I think the best place is the radcli library.
That should be pretty easy to do, feel free to submit a pull request
for that. However, the question is where the most appropriate place to
do a rewrite of IPs, in the source which is reporting them or in the
radius which is receiving the IPs. 

regards,
Nikos