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	<title>征程无限 &#187; 安全相关</title>
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	<item>
		<title>Iptables开放22,53,80端口</title>
		<link>http://www.chengyongxu.com/blog/iptables%e5%bc%80%e6%94%be225380%e7%ab%af%e5%8f%a3/</link>
		<comments>http://www.chengyongxu.com/blog/iptables%e5%bc%80%e6%94%be225380%e7%ab%af%e5%8f%a3/#comments</comments>
		<pubDate>Fri, 13 Mar 2009 01:02:16 +0000</pubDate>
		<dc:creator>楚霏</dc:creator>
				<category><![CDATA[安全相关]]></category>
		<category><![CDATA[22]]></category>
		<category><![CDATA[53]]></category>
		<category><![CDATA[80]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[端口]]></category>
		<category><![CDATA[防火墙]]></category>

		<guid isPermaLink="false">http://www.chengyongxu.com/blog/?p=231</guid>
		<description><![CDATA[<p>好久没用iptables防火墙了，昨天调了一个简单的</p>
<pre class="brush:[bash]">
iptables -F
# 允许包从22端口进入
iptables -A INPUT -p tcp --dport 22  -j ACCEPT
# 允许从22端口进入的包返回
iptables -A OUTPUT -p tcp --sport 22 -m state --state ESTABLISHED -j</p>]]></description>
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		</item>
		<item>
		<title>Chinaitlab 8cd linux教程笔记_系统管理部分</title>
		<link>http://www.chengyongxu.com/blog/chinaitlab-8cd-linux%e6%95%99%e7%a8%8b%e7%ac%94%e8%ae%b0_%e7%b3%bb%e7%bb%9f%e7%ae%a1%e7%90%86%e9%83%a8%e5%88%86/</link>
		<comments>http://www.chengyongxu.com/blog/chinaitlab-8cd-linux%e6%95%99%e7%a8%8b%e7%ac%94%e8%ae%b0_%e7%b3%bb%e7%bb%9f%e7%ae%a1%e7%90%86%e9%83%a8%e5%88%86/#comments</comments>
		<pubDate>Fri, 27 Feb 2009 05:42:24 +0000</pubDate>
		<dc:creator>楚霏</dc:creator>
				<category><![CDATA[FTP服务器]]></category>
		<category><![CDATA[安全相关]]></category>
		<category><![CDATA[桌面应用]]></category>
		<category><![CDATA[Automounter]]></category>
		<category><![CDATA[Chinaitlab]]></category>
		<category><![CDATA[Chroot]]></category>
		<category><![CDATA[eject]]></category>
		<category><![CDATA[filter]]></category>
		<category><![CDATA[fsck]]></category>
		<category><![CDATA[ftp]]></category>
		<category><![CDATA[gpg]]></category>
		<category><![CDATA[ifconfig]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[mount]]></category>
		<category><![CDATA[openssl]]></category>
		<category><![CDATA[pam]]></category>
		<category><![CDATA[sftp]]></category>
		<category><![CDATA[vsftp]]></category>
		<category><![CDATA[系统管理]]></category>

		<guid isPermaLink="false">http://www.chengyongxu.com/blog/?p=170</guid>
		<description><![CDATA[<p>############################<br />
#Chinaitlab 8cd linux教程笔记_系统管理部分#<br />
############################</p>
<pre class="brush:[text]">
<05>
    ifconfig eth0 11.22.33.44 netmask 255.0.0.0
    route改网关
    route add default gw 1.1.1.1
    用户环境
     </p>]]></description>
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		</item>
		<item>
		<title>端口详解0-65535</title>
		<link>http://www.chengyongxu.com/blog/%e7%ab%af%e5%8f%a3%e8%af%a6%e8%a7%a30-65535/</link>
		<comments>http://www.chengyongxu.com/blog/%e7%ab%af%e5%8f%a3%e8%af%a6%e8%a7%a30-65535/#comments</comments>
		<pubDate>Tue, 17 Feb 2009 23:46:38 +0000</pubDate>
		<dc:creator>楚霏</dc:creator>
				<category><![CDATA[安全相关]]></category>
		<category><![CDATA[端口]]></category>

		<guid isPermaLink="false">http://www.chengyongxu.com/blog/?p=141</guid>
		<description><![CDATA[</p>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>scp远程拷贝</title>
		<link>http://www.chengyongxu.com/blog/scp%e8%bf%9c%e7%a8%8b%e6%8b%b7%e8%b4%9d/</link>
		<comments>http://www.chengyongxu.com/blog/scp%e8%bf%9c%e7%a8%8b%e6%8b%b7%e8%b4%9d/#comments</comments>
		<pubDate>Tue, 13 Jan 2009 16:32:54 +0000</pubDate>
		<dc:creator>楚霏</dc:creator>
				<category><![CDATA[安全相关]]></category>
		<category><![CDATA[桌面应用]]></category>
		<category><![CDATA[scp]]></category>

		<guid isPermaLink="false">http://www.chengyongxu.com/blog/?p=42</guid>
		<description><![CDATA[<pre class="brush:[bash]">
scp root@10.0.0.1:/home/test/file.tar.gz ./

scp /home/test/full.tar.gz root@10.0.0.1:/home/root/

scp -r root@10.0.0.1:/mail/* ./ （拷贝整个目录下的所有文件）
</pre>
<p># 需要输入相应的用户名和密码</p>
<p>#</p>]]></description>
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		</item>
		<item>
		<title>ssh 公钥认证方式登录</title>
		<link>http://www.chengyongxu.com/blog/ssh-%e5%85%ac%e9%92%a5%e8%ae%a4%e8%af%81%e6%96%b9%e5%bc%8f%e7%99%bb%e5%bd%95/</link>
		<comments>http://www.chengyongxu.com/blog/ssh-%e5%85%ac%e9%92%a5%e8%ae%a4%e8%af%81%e6%96%b9%e5%bc%8f%e7%99%bb%e5%bd%95/#comments</comments>
		<pubDate>Mon, 12 Jan 2009 19:12:33 +0000</pubDate>
		<dc:creator>楚霏</dc:creator>
				<category><![CDATA[安全相关]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[公钥]]></category>

		<guid isPermaLink="false">http://www.chengyongxu.com/blog/?p=13</guid>
		<description><![CDATA[<p>一般上,我们用ssh远程登录到服务器时，要输入用户名和密码。系统管理员要经常登录服务器，不用密码直接登录到远程的linux/unix服务器会方便许多，这就要用到ssh公钥认证。</p>
<p>公钥认证，是使用一对加密字符串，一个称为公钥(public</p>]]></description>
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