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huntoutjaywcjlove
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Update firewall-cmd.md
fix typo of `--add-forward-port` example
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command/firewall-cmd.md

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@@ -191,8 +191,8 @@ firewall-cmd --remove-masquerade# 禁止防火墙伪装IP
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```bash
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firewall-cmd --add-forward-port=port=80:proto=tcp:toport=8080 # 将80端口的流量转发至8080
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firewall-cmd --add-forward-port=proto=80:proto=tcp:toaddr=192.168.1.0.1 # 将80端口的流量转发至192.168.0.1
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firewall-cmd --add-forward-port=proto=80:proto=tcp:toaddr=192.168.0.1:toport=8080 # 将80端口的流量转发至192.168.0.1的8080端口
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firewall-cmd --add-forward-port=port=80:proto=tcp:toaddr=192.168.0.1 # 将80端口的流量转发至192.168.0.1
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firewall-cmd --add-forward-port=port=80:proto=tcp:toaddr=192.168.0.1:toport=8080 # 将80端口的流量转发至192.168.0.1的8080端口
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```
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1. 当我们想把某个端口隐藏起来的时候,就可以在防火墙上阻止那个端口访问,然后再开一个不规则的端口,之后配置防火墙的端口转发,将流量转发过去。

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