Root not being able to login from "login:"
will stop random attacks -- cracker will have
to know username, password for username, and
then password for root. ( su )
Doesn't help in an insider attempt.
Nikita.
According to Dave Wreski:
>
> > I want to setup linux, so that root login
> > will not be allowed from "login:" prompt,
> > but only thru su ( or sudo ).
> > Is this possible?
>
> Then just under what circumstances _do_ you want root to be able to login?
>
> Currently root can only login from the console, meaning one of the 6
> available tty's. Remote access is not allowed by root by default.
>
> You can prevent root from logging in on the console as well, by deleting
> all the entries in /etc/securetty, which defines the permissible login
> tty's.
>
> Dave
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