[cisco-nas] ppp max-bad-auth

Dennis Peng dpeng at cisco.com
Mon Mar 1 13:13:29 EST 2004


Oliver Boehmer (oboehmer) [oboehmer at cisco.com] wrote:
> > Where does it depend on?
> > Is it something that depends on the operating system? The ppp
> > implementation?  RFC 1661? 
> > After doing some quick tests, i found out that Win98 supported it,
> > but W2k & WinXP did not. 
> 
> It depends on the OS and its implementation of RFC2433. I think it
> requires ms-chap being negotiated with the access-server/lns when using
> MS protocol stack, otherwise the client ignores it (not 100% sure). 

In Win98 and ealier, the Microsoft PPP client would re-prompt the user
for PAP (possibly CHAP as well) username/password if an authentication
failure was received. This "feature" was removed in Win2k and later.

Dennis

> 	oli
> 
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