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Joost De Cock wrote:
| Package: libpam-radius-auth
| Version: 1.3.16-2
| Severity: important
|
|
| I'm trying to set up Radius authentication on a stock Debian Sarge
| installation.
| The PAM Radius module sends out the loopback IP address as the 'NAS IP
| Address' Radius Attribute. The RFC has the following to say about this
| attribute:
|
|   This Attribute indicates the identifying IP Address of the NAS
|   which is requesting authentication of the user, and SHOULD
|   be unique to the NAS within the scope of the RADIUS
|   server.
|
| So our Radius server (a vasco) responds with 'cannot lookup client
| details' since that 127.0.0.1 address doesn't make sense.

this is weird.. i am using it at home and i would have noticed, but i
will look into it..

| I've tried an entire day to resolve this, passing it all sorts of
| parameters, but I couldn't get it to work.
| I was so sure that the problem was caused by sending out the loopback
| interface that I downloaded the src package, and hacked the
| pam_radius_auth.c file with the following line below line 733:
|
| ipaddr = 0x0a6401df;
|
| Yep, that's right, I just hardcoded 10.100.1.223 since that's my ip
| address and that's what I want the module to sent out. (I was really
| losing it at this time).

yes i understand.

| If I had any skills at all, I'd try to be less of a brute, but I'm no
| developer.

don't worry. your bug at least is cluefull :)

|
| After this, I build the .deb package, installed it, and radius
| authentication works flawlessly (as long as I don't change my IP
| address) ; )
|
| So, this feels like a bug to me. It shouldn't sent out the loopback
| address, but the correct address.

i will check again what happens here and let you know.

|
| Unless I'm running my Radius server on the same host, this keeps me from
| using radius authentication.

agreed.

Thanks
Fabio

- --
Self-Service law:
The last available dish of the food you have decided to eat, will be
inevitably taken from the person in front of you.
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