Strange problem regarding PPTP and FreeRADIUS

Ali Majdzadeh ali.majdzadeh at gmail.com
Sun Sep 12 11:25:12 CEST 2010


Alan
Hi
Thanks for your response. I was using radiusclient and I replaced it by the
latest version from FreeRADIUS. Fortunately, the problem solved but I could
not manage to solve the following issue which I found in pptpd's logs:

/etc/radiusclient/radiusclient.conf: line 16: unrecognized keyword:
radius_deadtime

I think it is related to radius.so plugin which pppd uses. Does this mean
that radius.so and radiusclient are not compatible?

Warm Regards
Ali Majdzadeh Kohbanani

2010/9/12 Alan DeKok <aland at deployingradius.com>

> Ali Majdzadeh wrote:
> > Hello All
> > I have configured PopTop server to work with FreeRADIUS. pptpd is
> > configured to use mschap-v2 and mppe-128 and I have enabled the
> > corresponding module in FreeRADIUS. When I turn on the debugging mode of
> > FreeRADIUS, I get the following:
> >
> > rad_recv: Access-Request packet from host 192.168.1.15 port 55483,
> > id=227, length=153
> >       Service-Type = Framed-User
> >       Framed-Protocol = PPP
> >       User-Name = "\000ila"
>
>   That's wrong.
>
> >       MS-CHAP-Challenge = 0x78b650db2a6af8bc8bc3435c7a385905
> >       MS-CHAP2-Response =
> >
> 0x6e009982bf378318ac706da61a063b70682d0000000000000000e3dbbe517ba9dc7a18dfe5660208bdc1f370b5d7836516f8
> >       NAS-IP-Address =
> 0x0f01a8c0e85adab7e41be2bf081ce2bfb005dab7e41be2bf32
>
>   That's *very* wrong.
>
> > Please note those two highlighted lines, the User-Name is "\000ila"
> > while what I have used as the username is "ali". Also, NAS-IP-Address is
> > somehow encrypted.
> > I searched a lot, but I could not find any similar problem. Any ideas?
>
>   Whoever implemented the RADIUS client did it wrong.  Very, very, wrong.
>
>  Alan DeKok.
>
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