Chapter 31. Centralized Logins Using LDAP and RADIUS
In This Chapter
Many centralized database programs have been developed to allow users to log in on multiple computers using a single password. NIS was one of the first, but it doesn’t encrypt the password transaction. It also uses the portmapper daemon, which uses an unpredictable range of TCP ports that are difficult for firewalls to track. LDAP (Lightweight Directory Access Protocol) provides an alternative based on the X.500 ...
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