View the current state of the firewall in Linux

First, Linux view the current state of the firewall

1) View firewall status:
/etc/init.d/iptables status
To temporarily turn off the firewall:
/etc/init.d/iptables stop
Prevent firewalls from starting at system startup
/sbin/chkconfig--level 2345 iptables off
Restart Iptables:
/etc/init.d/iptables restart

Second, the restart after the effective
Open: Chkconfig iptables on
OFF: chkconfig iptables off or/sbin/chkconfig--level 2345 iptables off

2) immediate effect, failure after reboot
Service mode
Open: Service iptables start
Close: Service iptables stop
Iptables Way
To view the firewall status:
/etc/init.d/iptables status
To temporarily turn off the firewall:
/etc/init.d/iptables stop
Restart Iptables:
/etc/init.d/iptables restart

This article is from the "Wind Blowing" blog, please be sure to keep this source http://deepwedsec.blog.51cto.com/9601234/1649851

View the current state of the firewall in Linux