Linux Firewall Configuration with Firewall-cmd Command Tutorial RHEL 9 | Firewall Management

In this video we are going to learn about Firewalld & Firewall-cmd (Firewall Management) commands in RHEL Based Operating systems. Commands demonstrated in this video will work on all RHEL Based OS's & Version 7,8 & 9 (RHEL 7, RHEL 8 & RHEL 9).
Firewall-cmd is a front-end tool for managing the firewalld daemon, which interfaces with the Linux kernel’s netfilter framework.
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About the Course:
This Linux Administration Certification training is designed to shape you as a Linux professional & help you to run applications, perform desired functions on your system and networks, create a network configuration, and maintain security administration.
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Course Objectives:
Linux Administration Certification Training is designed to help you become a Linux Admin Expert. During this course, you will learn:
what is Linux, How to Install different Linux OS,
Introduction to Linux & its Uses
Linux Basic commands
Advanced Linux Commands
Linux Performance Monitoring
Linux Process Management
Linux Users & Group Management
Linux Permission Management
Linux Network Management - For RHEL & Debian
Linux Package Management - For RHEL & Debian
Linux Firewall Management - For RHEL & Debian
Linux Disk Partition Management - For RHEL & Debian
Services, Utilities, Important Files and Directories
System services
User Administration
File System Security and Management
Advanced File System Management
Server Configurations
Database Configuration
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Who should go for the course?
This course can be taken by any professional who wants to be a Linux Administrator or wants to learn Linux.
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You Can Use these commands in any Linux Operating Systems.
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[@ArunKumar-um6pb]

Sudo firewall-cmd --remove-port=80/tcp --permanent --zone=dmz

[@MohamedJaveethAktharJS]

Sudo firewall-cmd --remove-port=80/tcp --permanent --zone-home (or) dmz
Indha cmd correct ah bro zone change pannamale port number delete pandraku?

[@tamiltechnow]

Yes but --zone=home or dmz or whatever zone

[@MohamedJaveethAktharJS]

@@tamiltechnow okay bro

[@045kabilanecse2]

bro ipo firewall active and inactive ku service enable disable ku enna difference bro

[@tamiltechnow]

Active means - firewall service is running, inactive- not running & enable - automatically service will start on every reboot, disable - service will not start on every reboot

[@045kabilanecse2]

@@tamiltechnow Thankyou bro