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<title><![CDATA[linux下防止syn攻击，端口扫描和死亡之ping ]]></title> 
<author>jed &lt;jed521@163.com&gt;</author>
<category><![CDATA[服务器技术]]></category>
<pubDate>Tue, 01 Jun 2010 01:55:57 +0000</pubDate> 
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	防止syn攻击（DDOOS攻击的一种）<br/>iptables -I INPUT -p tcp --syn -m limit --limit 1/s -j ACCEPT<br/>iptables -I FORWARD -p tcp --syn -m limit --limit 1/s -j ACCEPT<br/>防止各种端口扫描<br/>iptables -A FORWARD -p tcp --tcp-flags SYN,ACK,FIN,RST RST -m limit --limit 1/s -j ACCEPT<br/>Ping洪水攻击（Ping of Death）<br/>iptables -A FORWARD -p icmp --icmp-type echo-request -m limit --limit 1/s -j ACCEPT<br/><br/>Tags - <a href="http://www.dzhope.com/tags/linux/" rel="tag">linux</a> , <a href="http://www.dzhope.com/tags/%25E9%2598%25B2%25E6%25AD%25A2%25E6%2594%25BB%25E5%2587%25BB/" rel="tag">防止攻击</a>
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<title><![CDATA[[评论] linux下防止syn攻击，端口扫描和死亡之ping ]]></title> 
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<pubDate>Thu, 01 Jan 1970 00:00:00 +0000</pubDate> 
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