There once was a B2 X, if memory serves...

Date: 2016-04-23 11:27 am (UTC)
From: (Anonymous)
I used to run Trusted Solaris 7, to separate possibly-unfriendly customers, and it would happily put up windows with the category and security level shown, and refuse to copy between them if the recipient's credentials didn't dominate the sender's.

The category stuff would work well with SELinux, and I'd use it today if I could. The levels (Secret, Top Secret, etc) less so.

--dave collier-brown
davecb@spamcop.net
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Matthew Garrett

About Matthew

Power management, mobile and firmware developer on Linux. Security developer at Google. Ex-biologist. @mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer.

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