This site contains a number of FreeRADIUS "Howto" documents.

Configuration

The following examples show the simplest way to get FreeRADIUS up and running.

  1. Get PAP working.
  2. Get EAP working using "snake oil" certificates.
  3. Create certificates for production use.
  4. Import Certificates to the end hosts.

Active Directory

Active Directory is an LDAP server. Sort of. Sometimes. Making it work with FreeRADIUS is tricky. The following Active Directory Howto should make that easier

Why isn't authentication working?

There are times when FreeRADIUS just won't authenticate a user. The protocol compatibility matrix explains why. It shows which authentication protocols are compatible with what password storage scheme.