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Add more security with systrace

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Systrace probably supports your *nix operating system.
Systrace acts as a wrapper to the actual application. It intercepts the system calls made by the application, processes them through the kernel using the /dev/systrace device, and then handles the system calls according to your policies.

You can use Systrace to restrict a daemon's access to the system by defining which files it can access and how (such as read-only), and which port it can bind to.
 read more | score:7295 | -Ray, January 25, 2006
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