Startup and shutdown of Linux firewall iptables __linux

CentOS7

[Root@localhost ~]# Cat/etc/redhat-release
CentOS Linux release 7.2.1511 (Core)

1. Close Firewall

[Root@localhost ~]# Systemctl Stop firewalld.service/stops firewall
[root@localhost ~]# systemctl Disable Firewalld.service//disable firewall boot

2. Install Iptables

[Root@localhost ~]# Yum Install iptables-services//Installation

[root@localhost ~]# systemctl Restart Iptables.service #重启防火墙使配置生效

[Root@localhost ~]# systemctl enable Iptables.service #设置防火墙开机启动

[root@localhost ~]# systemctl Disable Iptables.service #禁止防火墙开机启动

CentOS6

[Root@localhost ~]# Service iptable Status---View firewall status

[root@localhost ~] #servcie iptables stop--temporarily shutdown firewall

[root@localhost ~] #service iptables Start--Start the firewall temporarily

[root@localhost ~] #service iptables Restart--Reboot the firewall

[root@localhost ~] #chkconfig iptables off--Permanently shutdown firewall

[root@localhost ~] #chkconfig iptables on--open firewall permanently