December 2016
Intermediate to advanced
300 pages
6h 36m
English
Content preview from SELinux System Administration - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Labeled IPsec
Although setting up and maintaining an IPsec setup is far beyond the scope of this book, let's look at a simple IPsec example to show how labeled IPsec is enabled on such a system. Remember that the labeled network controls on the interface, node, and peer levels, as mentioned earlier, are automatically enabled the moment labeled IPsec is used.
In an IPsec setup, there are two important concepts to be aware of:
- The security policy database (SPD) contains the rules and information for the kernel to know when communication has to be handled by a particular IP policy (and as a result, handled through a security association).
- The security association database (SAD) contains the individual security associations. A security association ( ...
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