[tac_plus] MSCHAP authen fails always

heasley heas at shrubbery.net
Mon Feb 1 17:53:17 UTC 2016


Mon, Feb 01, 2016 at 09:15:59AM +0000, Justin (Xiaogang) Huang:
> Hi shrubbery,
> 
> Could you pls help to confirm this?

when i have time.

> BRs,
> Justin Huang
> TEL: 86-21-65100909 ext.42463
> 
> From: Justin (Xiaogang) Huang
> Sent: 2016年1月22日 10:45
> To: 'tac_plus at shrubbery.net'
> Subject: MSCHAP authen fails always
> 
> Hi,
> 
> First many thanks for your great open source implementation.
> 
> I’ve tried this tac_plus server(F4.0.4.28) and succeeded to authen with PAP/CHAP but always failed with MS-CHAP.
> I dumped some more debug info and found that the NT compatible response was generated wrongly in server. The MD4 password hash is correct. But the DES encryption is not. Here I used the data in RFC2433 B.2 as the reference.
> 
> Please have a check and keep me informed if you confirm/reject it and/or make it fixed. Thanks.
> 
> 
> BRs,
> Justin Huang
> TEL: 86-21-65100909 ext.42463
> 
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