ultrix 4.0 enhanced security

cliff bedore* cliffb at isavax.isa.com
Fri Aug 31 20:17:42 AEST 1990


In article <9008300308.AA06175 at garnet.berkeley.edu> rusty at GARNET.BERKELEY.EDU (rusty wright) writes:
>I have some questions/problems regarding the 'Enhanced Security' of
>Ultrix 4.0 and am hoping that someone out there can help.  I've
>installed Ultrix 4.0 and the Mandatory Upgrade.
>
>1) When I try to use the 'su' command from a DECterm window it won't
>let me and says 'Requires secure terminal'.  I'm assuming that I could
>fix this by putting 'secure' for each of the ttyp and ttyq lines in
>/etc/ttys since that's what the su man page says.  This seems just a
>trifle bogus since by doing that I would potentially be allowing
>people to login (or attempt to if they're a cracker) as root over the
>network with rlogin or telnet.  Can I get rid of this 'feature' be
>configuring my system with Upgrade Security instead of Enhanced
>Security?  Or does anybody know how to get rid of it besides adding
>the 'secure' flag to each of the network tty lines in /etc/ttys?
>
>2) I can't find anything in any of the documentation about either how
>to or if I can downgrade from Enhanced Security to Upgrade Security.
>The manual page for secsetup only says that secsetup is used to
>'enable the enhanced security features' and nothing about disabling
>them.  The reason I need to downgrade my security level is that it
>turns out that Ultrix/SQL doesn't work with Enhanced Security.  Does
>anybody know of any other add-on/layered products that don't work with
>Enhanced Security?

Volume 1 System and network management Security guide section 3.1.2.2 says
su works in UPGRADE or ENHANCED mode only when terminal is marked secure.

Section 7.2 same area gives details about backing off security


Cliff



More information about the Comp.unix.ultrix mailing list