> Some additional info re: the DG/UX trusted UNIX that I posted to the list in
> an earlier message.
> Data General's trusted DG/UX C2 option is still around. The B1 option has
> been superseded by DG/UX Information Security, which is currently undergoing
> B2 evaluation at the NCSC -- the only commercial O/S at that level. If you add
> Cybershield from BDM (which provides encryption services, filtering in both
> directions, and many other features), you end up with a containment approach
> similar to a firewall, but with adequate security assurances built in that
> you don't need to dedicate a separate server as the firewall. In fact, this
> is the
> approach that the Nat'l Security Agency will be deploying later this year.
Is not Trusted Solaris (from Logica?) another such product. I believe it has
such a security rating, but in my opinion is not up to much.
* Neil A Carson
* The Royal Military College of Science, Shrivenham
* e-mail carson @
* Address: Kitchener Mess, RMCS, Shrivenham SN6 8LA. Tel: (01793) 784428 (Home)