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	<title>系统运维 &#187; iptables</title>
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		<title>Ubuntu Server 20.04.x LTS基于iptables防火墙设置</title>
		<link>https://www.osyunwei.com/archives/11189.html</link>
		<comments>https://www.osyunwei.com/archives/11189.html#comments</comments>
		<pubDate>Sun, 04 Apr 2021 10:44:00 +0000</pubDate>
		<dc:creator>qihang01</dc:creator>
				<category><![CDATA[Ubuntu]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[Ubuntu Server]]></category>

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		<description><![CDATA[Ubuntu Server默认没有开启任何防火墙的，但是默认安装了ufw防火墙，我们这里推荐使用iptables防火墙。 ufw status #查看系统自带的ufw防火墙状态 Status: inactive #表示关闭 ufw disable #关闭ufw防火墙，参数enable是开启，我们这里关闭 apt-get remove ufw #卸载ufw apt-get purge ufw #清除ufw依赖包 whereis iptables #查看系统是否安装防火墙 apt-get install iptables #请运行此命令安装防火墙 一、配置防火墙 mkdir /etc/sysconfig #创建防火墙配置文件存放目录 touch /etc/sysconfig/iptables #创建防火墙配置文件 nano /etc/sysconfig/iptables #编辑添加防火墙规则 # sample configuration for iptables service # you can edit this manually or use system-config-firewall # please do not [...]<p><a rel="bookmark" href="https://www.osyunwei.com/archives/11189.html" target="_blank">查看全文</a></p>]]></description>
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