dialups(4)						     Kernel Interfaces Manual							dialups(4)

NAME

       dialups, d_passwd - dialup security control

DESCRIPTION

       and  are  used  to  control the dialup security feature of (see login(1)).  If is present, the first word on each line is compared with the
       name of the line upon which the login is being performed (including the as returned by (see ttyname(3C)).  If the login is occurring  on  a
       line found in dialup security is invoked.  Anything after a space or tab is ignored.

       When  dialup security is invoked, requests an additional password, and checks it against that found in The command name found in the ``pro-
       gram to use as shell'' field of is used to select the password to be used.  Each entry in consists of three fields,  separated  by  colons.
       The  first  is  the  command name, matching an entry in The second is the encrypted password to be used for dialup security for those users
       logging in to use that program.	The third is commentary, but the second colon is required to delimit the end  of  the  password.   A  null
       password is designated with two adjacent colons.  The entry for is used if no other entry matches the command name taken from

FILES

       dial-in tty lines
       passwords

SEE ALSO

       login(1), passwd(4).

																	dialups(4)