IAS Server Event ID 3: Reason Code 5 - Remote Authentication Dial-In User Service



Hi,Guys
i'm looking for some help with a issue with my IAS/firewall problem
i configured my firewall to use radius authentication.but when i dialed via
vpn,
i got the below logs.
Access request for user fwadmin was discarded
Fully-Qualified-User-Name = domain\fwadmin
NAS-IP-Address = 221.227.215.18
NAS-Identifier = LinkTrust
Called-Station-Identifier = <undetermined>
Calling-Station-Identifier = <undetermined>
Client-Friendly-Name = 172.18.3.4
Client-IP-Address = 172.18.3.4
NAS-Port-Type = <undetermined>
NAS-Port = <undetermined>
Proxy-Policy-Name = Use Windows authentication for all users
Authentication-Provider = Windows
Authentication-Server = <undetermined>
Reason-Code = 3
Reason = Remote Authentication Dial-In User Service (RADIUS)

i would appreciate any suggestions!

Cheers,
willing,Fu


.



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