原 Centos6-防火墙的基本配置
2909 | 0 | 2
1.iptables
启动指令: service iptables start
重启指令: service iptables restart
关闭指令: service iptables stop
保存指令: service iptables save
相关配置: /etc/sysconfig/iptables
2.操作: vim /etc/sysconfig/iptables
# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
启动: service iptables start
重启: service iptables restart
保存: service iptables save
注意: 先service iptables restart,然后才调用/etc/rc.d/init.d/iptables save
因为/etc/rc.d/init.d/iptables save会在iptables服务启动时重新加载,
要是在重启之前直接先调用了/etc/rc.d/init.d/iptables save
那么你的/etc/sysconfig/iptables 配置就回滚到上次启动服务的配置了,这点必须注意!!!
2
夏天飘过的风
66人已关注
领课教育 29845
8025
update 44484
3764
领课教育 16511
husheng 19904
请更新代码 40468
凯哥Java 936
凯哥Java 1036
凯哥Java 858