How to use CHAP?

Alan DeKok aland at
Wed Jun 9 12:23:44 CEST 2010

Karuna G. Kumar wrote:
> But, what I observed is that the problem araises again even with radclient when I send User-Password attribute along with CHAP-Password attribute in the request. There is no problem when I don't send User-Password with CHAP-Password. Any thoughts on this why it is happening like this? I am attaching the Access packet info below for both success and failure cases.

  This is forbidden by the RADIUS protocol.  There is *no* reason for
doing this.

  The only reason to have a bad CHAP-Password, or to send both
User-Password && CHAP-Password in the same packet is if you're writing
your own RADIUS client.

  Are you asking this list for free support so that you can write your
own RADIUS client?

  Alan DeKok.

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