+ # Users identified using PAM are registered without the "~" character
+ # prepended to their user name.
+ ;PAM = yes
+
+ # When PAM is enabled, all clients are required to be authenticated
+ # using PAM; connecting to the server without successful PAM
+ # authentication isn't possible.
+ # If this option is set, clients not sending a password are still
+ # allowed to connect: they won't become "identified" and keep the "~"
+ # character prepended to their supplied user name.
+ # Please note: To make some use of this behavior, it most probably
+ # isn't useful to enable "Ident", "PAM" and "PAMIsOptional" at the
+ # same time, because you wouldn't be able to distinguish between
+ # Ident'ified and PAM-authenticated users: both don't have a "~"
+ # character prepended to their respective user names!
+ ;PAMIsOptional = no