Realistic SELinux

Wednesday, 2 March 2005, 11:12 AM EST

SElinux is an impressively designed but notoriously hard-to-configure set of kernel hooks that enforce Orange Book-style security on Linux. Full support for SELinux takes effort, but when I first heard about Fedora's new targeted policies for SELinux, I was willing to tell the Red Hat folks "thanks, but no thanks." A conversation with their Dan Walsh changed my mind.

The orginal SELinux approach was that anything not expressly permitted was forbidden. Technically, this meant that every program anybody would ever run had to be configured with a policy that indicated what files it could touch, who could run it, and every other aspect of the program that might present a risk.

By Andy Oram at O'Reilly.

[ Read more ]




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DMARC: The time is right for email authentication

Posted on 23 January 2015.  |  The DMARC specification has emerged in the last couple years to pull together all the threads of email authentication technology under one roof—to standardize the method in which email is authenticated, and the manner in which reporting and policy enforcement is implemented.


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