This course takes you through the basics of firewalls on Linux. Sean Colins shows you how to configure Firewalld for local protection, work with SELinux, and troubleshoot firewalls. He also covers iptables, default policies, port blocking, and port forwarding. Learn how to install GUI controls and utilities, manage zones and services, enable servers, set access controls, change ports, move files, and more.


├── 001 Welcome to firewalls and SELinux.mp4
├── 002 Prerequisites.mp4
├── 003 Iptables and Firewalld.mp4
├── 004 Installing Firewalld.mp4
├── 005 Installing the Firewalld GUI controls.mp4
├── 006 Installing GUI controls with no GUI.mp4
├── 007 Understand Firewalld zones.mp4
├── 008 Understand Firewalld services.mp4
├── 009 Zones explored.mp4
├── 010 Firewall-cmd configuration preparation.mp4
├── 011 Allowing the Apache web server.mp4
├── 012 Allowing any mail server.mp4
├── 013 Allowing an XMPP server.mp4
├── 014 Allowing an SMB server.mp4
├── 015 Allowing an NFS server.mp4
├── 016 Allowing an LDAP server.mp4
├── 017 Allowing a PostgreSQL server.mp4
├── 018 Allowing FTP and SFTP servers.mp4
├── 019 VM Port Forwarding.mp4
├── 020 ShieldsUP! panic mode.mp4
├── 021 Installing SELinux utils.mp4
├── 022 Discretionary vs. mandatory access.mp4
├── 023 Understanding contexts.mp4
├── 024 Installing SELinux man pages.mp4
├── 025 Understanding Booleans.mp4
├── 026 Enabling SELinux and modes.mp4
├── 027 Graphical management tools.mp4
├── 028 Changing context labels.mp4
├── 029 Changing ports on services.mp4
├── 030 Copying files.mp4
├── 031 Moving files.mp4
├── 032 Running sepolicy.mp4
├── 033 Finding SELinux logs.mp4
├── 034 Making domains permissive.mp4
├── 035 Disabling and reenabling SELinux.mp4
└── 036 Next steps.mp4