O'Reilly logo

RHCSA/RHCE Red Hat Linux Certification Study Guide (Exams EX200 & EX300), Sixth Edition by Jang Michael

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

art

4

RHCSA-LevelSecurity Options

CERTIFICATION OBJECTIVES

4.01 Basic File Permissions 4.04 A Security-Enhanced Linux Primer
4.02 Access Control Lists and More art Two-Minute Drill
4.03 Basic Firewall Control Q&A Self Test

Linux security starts with a concept known as “discretionary access controls.” They include the permissions and ownership associated with files and directories. Default permissions on new files depend on the umask. Permissions can go further with specialized bits. Linux discretionary access controls can be configured ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required