服务器维护，服务器代维，安全设置，漏洞扫描,入侵检测服务

dirtysea 发表于 2013-6-8 17:23:16

tcpkill命令

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<P>tcpkill命令<BR>在开启一些程序的时候可能有一些链接FIN_WAIT类链接可能会导致程序开不起来,所以必须要等这连FIN_WAIT链接在系统清除后才能正常开启,不然程序会提示Address already in use,用netstat -an可以有这种状态的链接存在于系统,而且自动消除时间不定,当然重启服务器是可以解决这种问题,但无疑是最可悲的一种方法!<BR>在dsniff集成工具包中有一个tcpkill命令,可以解决这类问题:<BR>下载地址:http://pkgs.repoforge.org/dsniff/ 此目录中可以找到相应系统的版本</P>
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<DIV class=code><PRE class=bash style="FONT-FAMILY: monospace"><SPAN style="FONT-WEIGHT: bold; COLOR: #c20cb9">wget</SPAN>http:<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">//</SPAN>pkgs.repoforge.org<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>dsniff<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>dsniff-<SPAN style="COLOR: #000000">2.4</SPAN>-<SPAN style="COLOR: #000000">0.1</SPAN>.b1.el5.rf.x86_64.rpm
rpm <SPAN style="COLOR: #660033">-ivh</SPAN> dsniff-<SPAN style="COLOR: #000000">2.4</SPAN>-<SPAN style="COLOR: #000000">0.1</SPAN>.b1.el5.rf.x86_64.rpm</PRE></DIV></DIV>
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<P>安装完成后可以发现系统多了一个tcpkill的命令,命令使用方法如下:</P>
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<DIV class=code><PRE class=bash style="FONT-FAMILY: monospace">tcpkill <SPAN style="COLOR: #660033">-9</SPAN> port <SPAN style="FONT-WEIGHT: bold; COLOR: #c20cb9">ftp</SPAN> <SPAN style="FONT-WEIGHT: bold; COLOR: #000000">&amp;&gt;/</SPAN>dev<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>null
tcpkill <SPAN style="COLOR: #660033">-9</SPAN> host 192.168.10.30 <SPAN style="FONT-WEIGHT: bold; COLOR: #000000">&amp;&gt;/</SPAN>dev<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>null
tcpkill <SPAN style="COLOR: #660033">-9</SPAN> port <SPAN style="COLOR: #000000">53</SPAN> and port <SPAN style="COLOR: #000000">8000</SPAN> <SPAN style="FONT-WEIGHT: bold; COLOR: #000000">&amp;&gt;/</SPAN>dev<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>null
tcpkill <SPAN style="COLOR: #660033">-9</SPAN> net 192.168.10 <SPAN style="FONT-WEIGHT: bold; COLOR: #000000">&amp;&gt;/</SPAN>dev<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>null
tcpkill <SPAN style="COLOR: #660033">-9</SPAN> net 192.168.10 and port <SPAN style="COLOR: #000000">22</SPAN> <SPAN style="FONT-WEIGHT: bold; COLOR: #000000">&amp;&gt;/</SPAN>dev<SPAN style="FONT-WEIGHT: bold; COLOR: #000000">/</SPAN>null</PRE></DIV></DIV><SECTION class=clear></SECTION></SECTION>
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