Summary
This chapter is large and has covered a lot of matter. With a typical deployment you would probably use one or two user stores. As a summary let's revisit important points on each user store discussed here.
Linux system users
The unix module (rlm_unix) needs access to the /etc/shadow file to be able to read the user's encrypted password. This encrypted password is used by the pap module to authenticate the user. CHAP and MS-CHAP authentication will not work; only PAP authentication works with system users.
SQL database
FreeRADIUS supports various SQL databases. It does this through a combination of a generic SQL module and a database-specific SQL module. The database is used purely as a data store and keeps the same type of data as the users ...
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