How to Disable Firewall in RHEL 7.4

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Follow below Steps for completing this task.
1) First of all check the status of the firewalld service

Command- systemctl status firewalld.service






OutPut- The status displays as active (running) or inactive (dead)

2) If the firewall is active / running, enter this command to stop it
Command- systemctl stop firewalld.service

3) To completely disable the firewalld service, so it does not reload when you restart the host machine
Command- systemctl disable firewalld.service

4) After that verify the status of Firewall Service

Command-systemctl status firewalld.service





Output-The status should display as disabled and inactive (dead)
firewalld.service - firewalld - dynamic firewall daemon
  Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
  Active: inactive (dead)

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