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Full Discussion: root user and password
Special Forums UNIX Desktop Questions & Answers root user and password Post 302434843 by cjcox on Monday 5th of July 2010 11:50:12 AM
Old 07-05-2010
You never know with so called "tests". However, on newer machines, if a root account is present (which it does NOT have to be on newer Solaris, and such will be the case with Solaris 11), often times a password IS required or the account is not valid. So.. not sure what the test is looking for. In the old days, clearing out the root password was the easy way to break into a box for which the root password had been forgotten. You simply mounted up the filesystem (different box, or same box with a bootable CD) and took at the password hash for root. But on some newer OS's, non existent passwords are not allowed... well, they are allowed but the result is a locked account.... I'd have to google around to see what Solaris does now... but who knows what the "test" is looking for.

In OpenSolaris and future Solaris 11, root becomes a role and NOT an account by default... but it can easily be added for compatibility with the plethora of sw, etc. that still needs a root account.
 

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LEARN ABOUT NETBSD

pam_ksu

PAM_KSU(8)						    BSD System Manager's Manual 						PAM_KSU(8)

NAME

     pam_ksu -- Kerberos 5 SU PAM module

SYNOPSIS

     [service-name] module-type control-flag pam_ksu [options]

DESCRIPTION

     The Kerberos 5 SU authentication service module for PAM provides functionality for only one PAM category: authentication.	In terms of the
     module-type parameter, this is the ``auth'' feature.  The module is specifically designed to be used with the su(1) utility.

   Kerberos 5 SU Authentication Module
     The Kerberos 5 SU authentication component provides functions to verify the identity of a user (pam_sm_authenticate()), and determine whether
     or not the user is authorized to obtain the privileges of the target account.  If the target account is ``root'', then the Kerberos 5 princi-
     pal used for authentication and authorization will be the ``root'' instance of the current user, e.g. ``user/root@REAL.M''.  Otherwise, the
     principal will simply be the current user's default principal, e.g. ``user@REAL.M''.

     The user is prompted for a password if necessary.	Authorization is performed by comparing the Kerberos 5 principal with those listed in the
     .k5login file in the target account's home directory (e.g. /root/.k5login for root).

     The following options may be passed to the authentication module:

     debug	     syslog(3) debugging information at LOG_DEBUG level.

     use_first_pass  If the authentication module is not the first in the stack, and a previous module obtained the user's password, that password
		     is used to authenticate the user.	If this fails, the authentication module returns failure without prompting the user for a
		     password.	This option has no effect if the authentication module is the first in the stack, or if no previous modules
		     obtained the user's password.

     try_first_pass  This option is similar to the use_first_pass option, except that if the previously obtained password fails, the user is
		     prompted for another password.

SEE ALSO

     su(1), syslog(3), pam.conf(5), pam(8)

BSD
								   May 15, 2002 							       BSD
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