I can authenticated successfully using a test user and the NAS but i check on the logs and the scripts below keep re-appearing even when there is no attempt on logging to the NAS.
rad_recv: Access-Request packet from host 10.250.0.7 port 43677, id=185, length=70
NAS-IP-Address = 10.250.0.17
NAS-Identifier = "SAM-pst-clt"
NAS-Port = 1
User-Name = "admin"
User-Password = "admin"
Tue Aug 7 15:54:08 2012 : Info: # Executing section authorize from file /usr/local/etc/raddb/sites-enabled/default
Tue Aug 7 15:54:08 2012 : Info: +- entering group authorize {...}
Tue Aug 7 15:54:08 2012 : Info: ++[preprocess] returns ok
Tue Aug 7 15:54:08 2012 : Info: ++[chap] returns noop
Tue Aug 7 15:54:08 2012 : Info: ++[mschap] returns noop
Tue Aug 7 15:54:08 2012 : Info: ++[digest] returns noop
Tue Aug 7 15:54:08 2012 : Info: [suffix] No '@' in User-Name = "admin", looking up realm NULL
Tue Aug 7 15:54:08 2012 : Info: [suffix] No such realm "NULL"
Tue Aug 7 15:54:08 2012 : Info: ++[suffix] returns noop
Tue Aug 7 15:54:08 2012 : Info: [eap] No EAP-Message, not doing EAP
Tue Aug 7 15:54:08 2012 : Info: ++[eap] returns noop
Tue Aug 7 15:54:08 2012 : Info: ++[files] returns ok
Tue Aug 7 15:54:08 2012 : Info: ++[expiration] returns noop
Tue Aug 7 15:54:08 2012 : Info: ++[logintime] returns noop
Tue Aug 7 15:54:08 2012 : Info: [pap] WARNING: Auth-Type already set. Not setting to PAP
Tue Aug 7 15:54:08 2012 : Info: ++[pap] returns noop
Tue Aug 7 15:54:08 2012 : Info: Found Auth-Type = PAP
Tue Aug 7 15:54:08 2012 : Info: # Executing group from file /usr/local/etc/raddb/sites-enabled/default
Tue Aug 7 15:54:08 2012 : Info: +- entering group PAP {...}
Tue Aug 7 15:54:08 2012 : Info: [pap] login attempt with password "admin"
Tue Aug 7 15:54:08 2012 : Info: [pap] Using clear text password "testing"
Tue Aug 7 15:54:08 2012 : Info: [pap] Passwords don't match
Tue Aug 7 15:54:08 2012 : Info: ++[pap] returns reject
Tue Aug 7 15:54:08 2012 : Info: Failed to authenticate the user.
Tue Aug 7 15:54:08 2012 : Auth: Login incorrect (rlm_pap: CLEAR TEXT password check failed): [admin/admin] (from client SAM-pst port 1)
Tue Aug 7 15:54:08 2012 : Info: Using Post-Auth-Type Reject
Tue Aug 7 15:54:08 2012 : Info: # Executing group from file /usr/local/etc/raddb/sites-enabled/default
Tue Aug 7 15:54:08 2012 : Info: +- entering group REJECT {...}
Tue Aug 7 15:54:08 2012 : Info: [attr_filter.access_reject] expand: %{User-Name} -> admin
Tue Aug 7 15:54:08 2012 : Debug: attr_filter: Matched entry DEFAULT at line 11
Tue Aug 7 15:54:08 2012 : Info: ++[attr_filter.access_reject] returns updated
Tue Aug 7 15:54:08 2012 : Info: Delaying reject of request 43 for 1 seconds
Tue Aug 7 15:54:08 2012 : Debug: Going to the next request
Tue Aug 7 15:54:08 2012 : Debug: Waking up in 0.9 seconds.
Tue Aug 7 15:54:09 2012 : Info: Sending delayed reject for request 43
Sending Access-Reject of id 185 to 10.250.0.7 port 43677
Tue Aug 7 15:54:09 2012 : Debug: Waking up in 4.9 seconds.
Tue Aug 7 15:54:14 2012 : Info: Cleaning up request 43 ID 185 with timestamp +519 Tue Aug 7 15:54:14 2012 : Info: Ready to process requests.
-- Regards: George Innocent.