Critical Administration Skills for Red Hat Enterprise Linux: Whether you are new to Linux or new to RHEL, join our hosts for a hands-on look into the commands and processes, ask questions, and grow your knowledge.
Get Started with Red Hat Enterprise Linux: https://redhat.com/tryrhel
Twitter: https://twitter.com/RedHatRHEL
Eric The IT Guy: https://twitter.com/itguyeric
Scott McBrien: https://twitter.com/Stabby_Mc
[Blog] Beginners Guide to Firewalld: https://www.redhat.com/sysadmin/beginners-guide-firewalld
[Docs] Using and Configuring Firewalld: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/securing_networks/using-and-configuring-firewalld_securing-networks
[Docs] Recording Sessions: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/recording_sessions
[Blog] Basic Network Troubleshooting in Linux with nmap: https://www.redhat.com/sysadmin/nmap-troubleshooting
Chapters:
00:00 Stream Start
01:04 Intro to Firewalls
02:55 Firewall Services
07:28 Firewall Zones
11:45 Multi-port Services
15:38 Allowing Ports
17:14 Port Scans with nmap
24:28 nftables vs iptables
30:31 Wrap Up
