CHAP auth failure

Strong, Mark mstrong at
Fri Jun 14 04:27:04 CEST 2013

>[chap] login attempt by "xxxxxxxxxx" with CHAP password [chap] Using
>clear text password "password" for user xxxxxxxxxx authentication.
>[chap] Password check failed
> (a) the "clear text" password is wrong
> (b) the client isn't doing CHAP correctly.
> There are no other choices.

Problem is sorted.  Telco changed their AAA-SC

>   RFC 2865 Section 5.3 says that the CHAP-Challenge doesn't need to exist.  If
> it doesn't exist, the 16-byte authentication vector from the Access-Request
> is used instead.
>   Alan DeKok.
Thanks Alan, that section of the RFC helped the Telco sort the problem.


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