Centos 6.4 iptables firewall close and start detailed explanation

Turn off the virtual machine firewall:
Shutdown command: service iptables stop
Permanently turn off the firewall: chkconfig iptables off
Run the two commands at the same time, check the firewall shutdown status after the running is complete
service iptables status
1 Turn off the firewall-----service iptables stop
2 Start the firewall-----service iptables start
3 Restart the firewall-----service iptables restart
4 View firewall status --service iptables status
5 Permanently turn off the firewall --chkconfig iptables off
6 Enable --chkconfig iptables on after permanent shutdown