Linux CentOS6.8下关闭防火墙

[root@vpnSS ~]# /etc/init.d/iptables status
Table: filter
Chain INPUT (policy ACCEPT)
num  target     prot opt source               destination         
1    ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           state NEW udp dpt:8888 
2    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:8888 
3    ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED 
4    ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0           
5    ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           
6    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:22 
7    REJECT     all  --  0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibited 
8    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:80 
 
Chain FORWARD (policy ACCEPT)
num  target     prot opt source               destination         
1    REJECT     all  --  0.0.0.0/0            0.0.0.0/0           reject-with icmp-host-prohibited 
 
Chain OUTPUT (policy ACCEPT)
num  target     prot opt source               destination         
1    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp spt:80

[root@vpnSS ~]# /etc/init.d/iptables stop
iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
iptables: Flushing firewall rules:                         [  OK  ]
iptables: Unloading modules:                               [  OK  ]

[root@vpnSS ~]# /etc/init.d/iptables status
iptables: Firewall is not running.