Scott Pinhorne scott.pinhorne at
Mon Feb 9 14:13:41 CET 2009

Good Morning


I am receiving authentication requests from clients GPRS devices.

The problem I have is the user/pass are not unique only the
call-station-id is so I need to have free radius client authenticate on
calling-station-id and not take in to account the user/pass. So if the
calling-station-id matches the request I would like to then return the
appropriate information.


I am using MySQL to authenticate.  Any pointers would be appreciated.


Example Request


Access-Request packet from host, id=172, length=118

        NAS-IP-Address =

        NAS-Identifier = "GRN-J20"

        Called-Station-Id = ""

        Framed-Protocol = GPRS-PDP-Context

        Service-Type = Framed-User

        NAS-Port-Type = Virtual

        User-Name = "void"

        User-Password = "void"

        Calling-Station-Id = "4412345678912"

        3GPP-IMSI-MCC-MNC = "12345"


Best Regards

Scott Pinhorne


Tel: 0845 862 0371


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