Get errors with radtest on ip address

Alan DeKok aland at
Fri Sep 6 01:53:52 CEST 2013

Patricia Julien wrote:
> - I made a change to the users file to add the testing
> Cleartext-Password := "password".  My hosts file indicates both lo and
> the ip address for the server.  I can ping the server without issues. 
> - After I added the line to the users file, I started radiusd -X
>>debug.txt   I then opened another terminal window on the same server
> and performed the - radtest testing password 0 testing123. 
> - I received an error indicating failed to find ip address for
> followed by nothing to do. 

  radtest looks up the $HOSTNAME to get an IP address, which it puts
into the NAS-IP-Address.  If it says "failed to find IP address for
host", it's because the host name doesn't have a corresponding IP address.

> - I looked at clients.conf and change the ip address from to
> my ip address and added hostname.  The results remained the same so I've
> reverted to original config for this.

  You're changing the server configuration.  You need fix your DNS.

  Alan DeKok.

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