01-12-2006
Hi,
Thanks for your prompty reply.
I checked for securetty file under /etc. I don't have any. So I just created a new file named securetty under /etc/ and added console in that. Now I cannot login directly as root. But I can do su - to root which is what I wanted.
Following are the contents of my /etc/securetty file:
console
I just wanted to make sure with you that I did the right thing and I can still login directly from console.
And in your post you mentioned about excluding the /dev/console . How I can do that.
This is mentioned in "man login". Basicly just put "console" in /etc/securetty. Then except for /dev/console, root cannot login.
TIA,
Inder
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LEARN ABOUT POSIX
securetty
SECURETTY(5) Linux Programmer's Manual SECURETTY(5)
NAME
securetty - file which lists terminals from which root can log in
DESCRIPTION
The file /etc/securetty contains the names of terminals (one per line, without leading /dev/) which are considered secure for the transmis-
sion of certain authentication tokens.
It is used by (some versions of) login(1) to restrict the terminals on which root is allowed to login. See login.defs(5) if you use the
shadow suite.
On PAM enabled systems, it is used for the same purpose by pam_securetty(8) to restrict the terminals on which empty passwords are
accepted.
FILES
/etc/securetty
SEE ALSO
login(1), login.defs(5), pam_securetty(8)
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2015-03-29 SECURETTY(5)