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<p><FONT class=normalfont><B><font color=blue>把连你电脑的人踢出去</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br> 使用 netstat 配合 kill 删除已建立的联机： <br>
相信有不少的朋友都会有这个困扰，就是要怎样删除已经建立的联机呢？因为总有些不速之客会连到你的主机来进行一些破坏的工作！或者是你根本不想让对方联机过来！呵呵！还记得 资源管理 里面提到的几个常用的指令吧！？那就是找出那个联机程序的 PID ，然后给他 kill 掉就是了！简单呀！不过，大问题是我要怎样找出联机的 PID 呀！？呵呵！由于 PID 的管理与整体的系统资源有关，这个时候，虽然可以使用 netstat 来观察 PID ，不过只有 root 可以观察到联机状态的 PID 号码呦！( 注：还记得资源管理提及的 PID 概念吗？就是说，在 linux 系统之内，每个『程序』系统都会给予一个号码来管理！这个就是 PID 啰！<br>
netstat -ap <br>
Active Internet connections (servers and established) <br>
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name <br>
tcp 0 0 *:ssh *:* LISTEN 32149/sshd <br>
tcp 0 284 218.24.150.63:ssh 192.168.1.11:1391 ESTABLISHED 24751/sshd <br>
Active UNIX domain sockets (servers and established) <br>
Proto RefCnt Flags Type State I-Node PID/Program name Path <br>
unix 7 [ ] DGRAM 944 509/syslogd /dev/log <br>
unix 2 [ ] DGRAM 3035915 16648/xinetd <br>
unix 2 [ ] DGRAM 739227 5951/pppoe <br>
unix 2 [ ] DGRAM 739189 5949/pppd <br>
unix 2 [ ] DGRAM 1070 628/crond <br>
unix 2 [ ] DGRAM 953 514/klogd <br>
unix 2 [ ] STREAM CONNECTED 690 1/init [3]<br>
<br>
看到上面那联机建立的网络状态了吗,就是192.168.1.11哪个啊，最后面一栏就是显示那个 PID/Program name ，那个 PID ( 上面是 24751 )也就是我们要来杀掉的啦！这个时候，如果要将该联机杀掉时，就直接以 kill 来做吧！<br>
kill -9 24751<br>
这样就能将该联机给他踢出去你的主机啦！！<br>
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