authenticate via etc/shadow intead of users

[Alan Buxey]

Hi,

>    I am a newbie to free radius, I need to know what changes are required in
>    radiusd.conf or any other file in order to authenticate clients requests
>    through local machine users(etc/passwd or etc/shadow) instead of making
>    users in the raddb/users file.

add users to the system passwd/shadow file, ensure that the 'unix' module
is enabled. 

answer based on the scarce info provided

alan