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+NOTE ABOUT PASSWORDS
+====================
+
+Unix systems use a wide variety of methods for checking the validity
+of a password. This is primarily controlled with the Makefile defines
+mentioned in the Makefile.
+
+Also note that some clients (notably WfWg) uppercase the password
+before sending it. The server tries the password as it receives it and
+also after lowercasing it.
+
+The Samba server can also be configured to try different
+upper/lowercase combinations. This is controlled by the [global]
+parameter "password level". A level of N means to try all combinations
+up to N uppercase characters in the password. A high value can chew a
+fair bit of CPU time and can lower the security of your system. Do not
+use this options unless you really need it - the time taken for
+password checking can become so high that clients time out. 
+
+If you do use the "password level" option then you might like to use
+-DUFC_CRYPT in your Makefile. On some machine this makes password
+checking _much_ faster. This is also useful if you use the @group
+syntax in the user= option.
+
+If your site uses AFS (the Andrew File System), you can use the AFS section
+in the Makefile.  This will first attempt to authenticate a username and
+password to AFS.  If that succeeds, then the associated AFS rights will be
+granted.  Otherwise, the password checking routine falls back to whatever
+Unix password checking method you are using.  Note that the AFS code is
+only written and tested for AFS 3.3 and later.
+
+
+SECURITY = SERVER
+=================
+
+Samba can use a remote server to do it's username/password
+validation. This allows you to have one central machine (for example a
+NT box) control the passwords for the Unix box.
+
+See the section on "security =" in smb.conf(5) for details.
+
+