              pam_securetty — Limit root login to special devices

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DESCRIPTION

pam_securetty is a PAM module that allows root logins only if the user is
logging in on a "secure" tty, as defined by the listing in the securetty file.
pam_securetty checks at first, if /etc/securetty exists. If not and it was built
with vendordir support, it will use %vendordir%/securetty. pam_securetty also
checks that the securetty files are plain files and not world writable. It will
also allow root logins on the tty specified with console= switch on the kernel
command line and on ttys from the /sys/class/tty/console/active.

This module has no effect on non-root users and requires that the application
fills in the PAM_TTY item correctly.

For canonical usage, should be listed as a required authentication method before
any sufficient authentication methods.

OPTIONS

debug

        Print debug information.

noconsole

        Do not automatically allow root logins on the kernel console device, as
        specified on the kernel command line or by the sys file, if it is not
        also specified in the securetty file.

EXAMPLES

auth  required  pam_securetty.so
auth  required  pam_unix.so


AUTHOR

pam_securetty was written by Elliot Lee <sopwith@cuc.edu>.
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