4015 发表于 2025-3-5 11:48:58

Linux下打开和关闭防火墙

Linux下打开和关闭防火墙



Linux下打开和关闭防火墙1.及时生效,重启后复原关闭:service iptables stop 开启:service iptalbes start 查看状态:service iptables status(关闭状态的话会提示firewal is not running)2.非及时性生效,重启后永久性生效
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关闭:chkconfig iptbales off 开启:chkconfig iptables on 查看状态:chkconfig iptables –list在开启了防火墙时,做如下设置,开启相关端口,
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修改/etc/sysconfig/iptables 文件,添加以下内容:
-A RH-Firewall-1-INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT
-A RH-Firewall-1-INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT


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