Authenticate with machine account and without ntlm_auth

Alexey D. Filimonov alexey at filimonic.net
Tue Nov 19 11:32:14 UTC 2024


 > Does someone know how to obtain the machine account password or 
nt-password from a windows machine account

You can not do MSCHAPv2 auth with computer context in modern Windows 11 
OS, as virtualization-based security and credential guard prohibits 
access of RRAS(?) to this data. You should disable this internal 
protection first. Also note that not all directories have such concept 
as "computer account password", ex, FreeIPA or RedHat IDM don't.

Just drop the idea of using computer account passwords and use 
certificates (EAP-TLS or PEAP-TLS). Leave password authentication to 
unmanaged devices like personal laptops and smartphones. Create a new 
user account for those devices each time you need to setup a device.

On 2024-11-18 17:48, Rodrigo Antunes via Freeradius-Users wrote:
> Does someone know how to obtain the machine account password or nt-password from a windows machine account


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