FreeKB - Getting Started with the firewall-cmd command
Getting Started with the firewall-cmd command

Use apt-get or yum to install firewalld.

~]# apt-get install firewalld
~]# yum install firewalld

 

The ps command can be used to determine if your system is using init or systemd. If PID 1 is init, then you will use the service command. If PID 1 is systemd, then you will use the systemctl command.

If your system is using systemd, use the systemctl command to start and enable firewalld.

systemctl enable firewalld
systemctl start firewalld
systemctl status firewalld

 

If your system is using init, use the chkconfig and service commands to start and enable firewalld.

chkconfig firewalld on
service firewalld start
service firewalld status

 

Now you can start configuring firewalld.

 

 



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