Freeradius Isn't Listening

[Randall Degges]

Just wanted to thank everyone for their help. I've gotten the issue
resolved.

Apparently Freeradius was working 100%, what wasn't working, however, was my
Cisco routing. We had our network worked on several weeks back, and all
seemed to be working ok, but it never dawned on me to check if my Cisco
AS5400 could ping out to the freeradius server or not (it couldn't).

So after talking with our Cisco guy and straightening the issue out, all
works well.

Thanks so much for your help!

-Randall

On Mon, Mar 29, 2010 at 7:54 PM, Tim Sylvester <
tim.sylvester at networkradius.com> wrote:

>   I just confirmed that my server does have no firewall. The way I tested
> this is:
>
>
>
> *ON THE SERVER*
>
>
>
> tcpdump udp port 1812
>
>
>
> *ON THE CLIENT*
>
>
>
> nc -u xx.xx.xx.xx 1812
>
>
>
> <mash the keyboard repeatedly to send fake packets>
>
>
>
> When I do this I send some raw packets to my radius server on port 1812 for
> testing, and my tcpdump output shows each packet being received just fine.
> So I don't think this is a firewall issue.
>
>
>
>
>
> Run radtest on the server to verify that the server actually works –
> radtest bob badpassword localhost 1 <shared secret>. Then run radtest from
> another client that is on the same network that the AS5400 is on.
>
>
>
> My guess is that there is a firewall in front of your Linux server running
> FreeRADIUS. Rackspace typically puts a Cisco ASA firewall in front of a
> customer’s Linux server. When you ran the nc test, was the system that you
> ran nc from on the same network with the Linux server running FreeRADIUS?
> They both might have been behind the same firewall. Check with Rackspace to
> see if there is a Cisco Firewall in front of your Linux server.
>
>
>
> Tim
>
> -
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