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	<title>精東·博客 &#187; 防火墙</title>
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	<description>男人的胸怀是委屈撑大的。</description>
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		<title>CentOS下如何在防火墙中打开端口</title>
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		<pubDate>Mon, 03 Nov 2008 07:35:39 +0000</pubDate>
		<dc:creator>精东</dc:creator>
				<category><![CDATA[服务器]]></category>
		<category><![CDATA[端口]]></category>
		<category><![CDATA[防火墙]]></category>

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		<description><![CDATA[CentOS安装好，默认只打开了22端口，如果希望开放其他端口的话，需要打开所需端口。
比如打开http的默认端口80
编辑iptables
vi /etc/sysconfig/iptables
添加
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 3001 -j ACCEPT  
重新启动服务
/sbin/service iptables restart
查看端口是否开放
/sbin/iptables -L -n
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