Chapter 22. Configuring a Firewall
The following topics are covered in this chapter:
Understanding Linux Firewalling
The following RHCSA exam objectives are covered in this chapter:
Configure firewall settings using firewall-config, firewall-cmd, or iptables
If a server is connected to the Internet, it needs to be protected against unauthorized access. SELinux is one part of this protection, and a firewall is the second part. ...
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