Re: Radius 1.16.49 CHAP problems with MAX4000

Chan Kah Sing ( kahsing@nlb.gov.sg )
Thu, 20 Feb 1997 14:13:45 +0800

Thanks for your suggestion. All PC clients are on Win 95 and the
"require encrypted password" is NOT checked. When dialing into the
MAX4000, the message "The compupter you're dialling in to cannot
establish a Dial-Up Networking connection. Check your password, and
then try again."

It's not a password problem either, because it works when dialed to my
NetServer/16 using exactly the same settings - only the phone number is
changed. Both MAX4000 and NetServer/16 authenticate to the RadiusNT.

Mark Conger wrote:
>
> Let me make a guess here. Your PC clients have the option to send the
> password encrypted checked. If this is true, it will only fail because the
> CHAP response is negative. They need to have this unchecked so that the
> authentication process will start at PAP.
>
> Mark Conger
>
> ----------
> > From: Chan Kah Sing <kahsing@nlb.gov.sg>
> > To: radiusnt@iea.com
> > Subject: Radius 1.16.49 CHAP problems with MAX4000
> > Date: Wednesday, February 19, 1997 9:57 PM
> >
> > I am using a MAX4000 (with digital modems) and a USR NetServer/16 to
> > support dial-in access. The MAX4000 also supports ISDN lines. The
> > software version is 4.6Bp26. I have Radius 1.16.49 installed on NT 4.0
> > but not as a service.
> >
> > In the MAX4000 settings "Ethernet-Answer-PPP options", Recv Auth=CHAP as
> > all my ISDN lines are set for CHAP authentication. However, this does
> > not work with Radius 1.16.49. I read one of the posts somewhere that
> > MAX4000 needs to be set to PAP.
> >
> > When I set MAX4000 to PAP, it worked with Radius, BUT it affected the
> > ISDN dial-in. I confirmed this with Ascend.
> >
> > I noticed, however, that in-coming ISDN lines (which authenticates with
> > the MAX4000 directly) can still communicate with Radius for accounting
> > purposes. But for PCs dialing-in, it cannot authenticate with Radius.
> > MAX4000's manual indicates that Radius should be able to communicate in
> > CHAP or PAP, and I need to maintain it as CHAP. I don't have this
> > problem with the NetServer/16.
> >
> > Can any one help? Thanks in advance.
> > -
> > RadiusNT Mailing list (radiusnt@iea.com)
> -
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