Part 2 – Security with SSH, SELinux, a Firewall, and System Permissions

Security in production systems is a direct responsibility of the systems administrator. To handle that, RHEL includes capabilities such as SELinux, an integrated firewall, and of course, the standard system permissions. In this part, a good overview and understanding of the security mechanisms in RHEL are provided so that you can perform everyday maintenance tasks.

The following chapters are included in this part:

• Chapter 8, Administering Systems Remotely
• Chapter 9, Securing Network Connectivity with firewalld
• Chapter 10, Keeping Your System Hardened with SELinux
• Chapter 11, System Security Profiles with OpenSCAP