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http://www.fatofthelan.com/technical/using-windows-2008-for-radius-authentication/
Server Manager -> Roles -> Add Roles -> Network Polices and Access Services -> Network Policy Server Network Polices and Access Services -> NPS(local) -> Register server in Active Directory Radius Clients and Servers -> new Polices -> Network Polices -> new Plicy Name: my policy Conditions: Windows Group -> Dimain Users Configure Authentifications Methods -> Unencrypted Authentificatios (PAP, SPAP)
gate# radtest user1 'Pa$$w0rd1' server 1 'testing123'
[gate:~] # cat /etc/radius.conf auth server testing123 3 [gate:~] # cat /etc/pam.d/system ... auth sufficient pam_radius.so no_warn try_first_pass auth required pam_unix.so no_warn try_first_pass ...
root@gate:~# apt-get install libpam-radius-auth root@gate:~# cat /etc/pam_radius_auth.conf ... server testing123 3 ... root@gate:~# cat /etc/pam.d/login ... auth sufficient pam_radius_auth.so # Standard Un*x authentication. ...