Am 20.05.2008 um 16:05 schrieb Dean, Barry:

Alan DeKok said:

 It is impossible to use CHAP to authenticate to AD.  You MUST use
MS-CHAP, or PAP.

When testing my Radius server with AD and XSupplicant I found that EAP-TTLS with MD5 inner auth and EAP-MD5 as well as EAP-TTLS with CHAP inner auth all failed.

So you have explained why EAP-TTLS (CHAP) fails, thanks!

So, is EAP-MD5 and EAP-TTLS (MD5) not possible also, or is my Radius config broken?

As far as I understand, the password for MS-CHAP is MD4 on UTF-16LE. So if you have only a password for MS-CHAP, you do not have a MD5 version of the password.



---------------
Barry Dean
Networks Team

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