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d_passwd(5)
d_passwd(5) File Formats d_passwd(5)
NAME
d_passwd - dial-up password file
SYNOPSIS
/etc/d_passwd
DESCRIPTION
A dial-up password is an additional password required of users who
access the computer through a modem or dial-up port. The correct pass‐
word must be entered before the user is granted access to the computer.
d_passwd is an ASCII file which contains a list of executable programs
(typically shells) that require a dial-up password and the associated
encrypted passwords. When a user attempts to log in on any of the ports
listed in the dialups(5) file, the pam_dial_auth(7) service module
looks at the user's login entry stored in the passwd(5) repository, and
compares the login shell field to the entries in d_passwd. These
entries determine whether the user will be required to supply a dial-up
password.
Each entry in d_passwd is a single line of the form:
login-shell:password:
where
login-shell The name of the login program that will require an addi‐
tional dial-up password.
password An encrypted password. Users accessing the computer
through a dial-up port or modem using login-shell will
be required to enter this password before gaining access
to the computer. These are in the same format as the
password field described in shadow(5).
d_passwd should be owned by the root user and the root group. The file
should have read and write permissions for the owner (root) only.
If the user's login program in the passwd file is not found in d_passwd
or if the login shell field in passwd is empty, the user must supply
the default password. The default password is the entry for
/usr/bin/sh. If d_passwd has no entry for /usr/bin/sh, then those users
whose login shell field in passwd is empty or does not match any entry
in d_passwd will not be prompted for a dial-up password.
Dial-up logins are disabled if d_passwd has only the following entry:
/usr/bin/sh:*:
EXAMPLES
Example 1 Sample d_passwd file.
Here is a sample d_passwd file:
/usr/bin/csh:6k/7KCFRPNVXg:
/usr/bin/ksh:9df/FDf.4jkRt:
/usr/bin/sh:41FuGVzGcDJlw:
The password fields may be generated using the pwhash(1) command.
FILES
/etc/d_passwd dial-up password file
/etc/dialups list of dial-up ports requiring dial-up passwords
SEE ALSO
pwhash(1), dialups(5), passwd(5), shadow(5), pam_dial_auth(7)
WARNINGS
When creating a new dial-up password, be sure to remain logged in on at
least one terminal while testing the new password. This ensures that
there is an available terminal from which you can correct any mistakes
that were made when the new password was added.
Oracle Solaris 11.4 3 Nov 2021 d_passwd(5)