no response from server on other machines

[yao guoxian]

        I have installed Freeradius 1.0.5 on the Redhat 9 machine. When I
type the command" radtest test test localhost 0 testing123" to check ,the
output is as the following:
Sending Access-Request of id 252 to 127.0.0.1:1812
        User-Name = "test"
        User-Password = "test"
        NAS-IP-Address = room129
        NAS-Port = 0
Re-sending Access-Request of id 252 to 127.0.0.1:1812
        User-Name = "test"
        User-Password = "S\306\212Go'\3216?!w\025\377\251\320,"
        NAS-IP-Address = room129
        NAS-Port = 0
rad_recv: Access-Reject packet from host 127.0.0.1:1812, id=252, length=20
       Is this a proof that the Radius Server runs correctly?
       Then I run NTRadPing(a handy tool to test Radius Server on clients
machines) on other machine which has Windows server 2003 OS, only got the
results as follows:
sending authentication request to server 202.117.x.x:1812
Transmitting packet ,code =1,id=2,length = 45
no response from server(time out),new attempt #1
 no response from server(time out),new attempt #2
 no response from server(time out),new attempt #3
could not recieve the response from the server
     I have configured /raddb/users and /raddb/clients.conf and had no
effects. Then i configured /raddb/naslist, add winServer 2003 machines'  ip
and type as livingston, the problem is still not resolved. I don't know what
difference between the types "Unix","Cisco","Livingston" and "Slaveport".
Can anyone explain the difference for me?
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