How disable Linux firewall (Revised)

Check Status

# systemctl status firewalld

 

Start and Stop
# systemctl start firewalld
# systemctl stop firewalld

 

Enable and Disable
# systemctl disable firewalld
# systemctl enable firewalld

 

 

Legacy - ipchains/iptables

Stop ipchains.
# service ipchains stop

Stop iptables.
# service iptables stop

 

Disable ipchains.
# chkconfig ipchains off

Disable iptables.
# chkconfig iptables off