dialups, d_passwd - dialup security control
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
When dialup security is invoked, requests an additional password, and
checks it against that found in The command name found in the ``program
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 desig‐
nated with two adjacent colons. The entry for is used if no other
entry matches the command name taken from
dial-in tty lines
SEE ALSOlogin(1), passwd(4).