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Introduction to SELinux

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<strong>SELinux</strong> – How it works<br />

Process Pa<br />

SC<br />

<strong>SELinux</strong><br />

<strong>SELinux</strong><br />

Kernel<br />

Kernel<br />

SC<br />

File Fa<br />

Process Pb<br />

SC<br />

User Ua SC<br />

Security<br />

Policy<br />

SC<br />

SC<br />

File Fb<br />

Device Da<br />

User Ub<br />

SC<br />

SC<br />

Device Db<br />

Subject Requests<br />

Action on an<br />

Object<br />

Security<br />

Enforcement<br />

Module:<br />

Permits or denies<br />

accesses <strong>to</strong><br />

all objects<br />

Permission<br />

Granted <strong>to</strong><br />

Object

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