Chapter 4RHCSA-Level Security Options

CERTIFICATION OBJECTIVES

4.01        Basic File Permissions

4.02        Access Control Lists and More

4.03        Basic Firewall Control

4.04        Securing SSH with Key-Based Authentication

4.05        A Security-Enhanced Linux Primer

  Images          Two-Minute Drill

Q&A      Self Test

Linux security starts with a concept known as discretionary access control (DAC). This includes the permissions and ownership associated with files and directories. With specialized bits, including access control lists (ACLs), permissions can be more granular than the simple user/group/other categories. These ACLs support permissions ...

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