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Ubuntu 内建使用 UFW (Uncomplicated Firewall) 作为防火墙管理工具, 一般情况下都会开启防火墙, 但有些特殊情况, 例如测试环境需要关闭防火墙作测试, 或者对网络设定进行除错等。
以下是在 Ubuntu 18.04 关闭防火墙的方法。
首先检查目前防火墙是否已经开启, 执行以下指令:
sudo ufw status
防火墙默认是关闭, 会输出:
Status: inactive
如果防火墙已经开启了, 会输出 active:
Status: active
如果需要关闭防火墙, 执行以下指令:
sudo ufw disable
Firewall stopped and disabled on system startup
关闭防火墙后, 要再次开启防火墙, 执行以下指令开启:
sudo ufw enable
这时会出现以下询问句:
Command may disrupt existing ssh connections. Proceed with operation (y|n)?
按 “y” 确认后, 防火墙会开启, 并有以下输出:
Firewall is active and enabled on system startup版权属于: 三三世界-百宝箱
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本文最后更新于2022年05月14日 ，已超过731天没有更新，若内容或图片失效，请留言反馈。
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