本文详细介绍Netstat命令的功能和使用方法，包括如何显示网络连接、路由表、接口状态等信息，并提供多个实用命令实例。
简介
Netstat 命令用于显示各种网络相关信息，如网络连接，路由表，接口状态 (Interface Statistics)，masquerade 连接，多播成员 (Multicast Memberships) 等等。
输出信息含义
执行netstat后，其输出结果为
Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 2 210.34.6.89:telnet 210.34.6.96:2873 ESTABLISHED tcp 296 0 210.34.6.89:1165 210.34.6.84:netbios-ssn ESTABLISHED tcp 0 0 localhost.localdom:9001 localhost.localdom:1162 ESTABLISHED tcp 0 0 localhost.localdom:1162 localhost.localdom:9001 ESTABLISHED tcp 0 80 210.34.6.89:1161 210.34.6.10:netbios-ssn CLOSE Active UNIX domain sockets (w/o servers) Proto RefCnt Flags Type State I-Node Path unix 1 [ ] STREAM CONNECTED 16178 @000000dd unix 1 [ ] STREAM CONNECTED 16176 @000000dc unix 9 [ ] DGRAM 5292 /dev/log unix 1 [ ] STREAM CONNECTED 16182 @000000df
从整体上看，netstat的输出结果可以分为两个部分：
一个是Active Internet connections，称为有源TCP连接，其中"Recv-Q"和"Send-Q"指%0A的是接收队列和发送队列。这些数字一般都应该是0。如果不是则表示软件包正在队列中堆积。这种情况只能在非常少的情况见到。
另一个是Active UNIX domain sockets，称为有源Unix域套接口(和网络套接字一样，但是只能用于本机通信，性能可以提高一倍)。
Proto显示连接使用的协议,RefCnt表示连接到本套接口上的进程号,Types显示套接口的类型,State显示套接口当前的状态,Path表示连接到套接口的其它进程使用的路径名。
常见参数
-a (all)显示所有选项，默认不显示LISTEN相关
-t (tcp)仅显示tcp相关选项
-u (udp)仅显示udp相关选项
-n 拒绝显示别名，能显示数字的全部转化成数字。
-l 仅列出有在 Listen (监听) 的服務状态
-p 显示建立相关链接的程序名
-r 显示路由信息，路由表
-e 显示扩展信息，例如uid等
-s 按各个协议进行统计
-c 每隔一个固定时间，执行该netstat命令。
提示：LISTEN和LISTENING的状态只有用-a或者-l才能看到
实用命令实例
1. 列出所有端口 (包括监听和未监听的)
列出所有端口 netstat -a
# netstat -a | more Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:30037 *:* LISTEN udp 0 0 *:bootpc *:* Active UNIX domain sockets (servers and established) Proto RefCnt Flags Type State I-Node Path unix 2 [ ACC ] STREAM LISTENING 6135 /tmp/.X11-unix/X0 unix 2 [ ACC ] STREAM LISTENING 5140 /var/run/acpid.socket
列出所有 tcp 端口 netstat -at
# netstat -at Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:30037 *:* LISTEN tcp 0 0 localhost:ipp *:* LISTEN tcp 0 0 *:smtp *:* LISTEN tcp6 0 0 localhost:ipp [::]:* LISTEN
列出所有 udp 端口 netstat -au
# netstat -au Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State udp 0 0 *:bootpc *:* udp 0 0 *:49119 *:* udp 0 0 *:mdns *:*
2. 列出所有处于监听状态的 Sockets
只显示监听端口 netstat -l
# netstat -l Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:ipp *:* LISTEN tcp6 0 0 localhost:ipp [::]:* LISTEN udp 0 0 *:49119 *:*
只列出所有监听 tcp 端口 netstat -lt
# netstat -lt Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:30037 *:* LISTEN tcp 0 0 *:smtp *:* LISTEN tcp6 0 0 localhost:ipp [::]:* LISTEN
只列出所有监听 udp 端口 netstat -lu
# netstat -lu Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State udp 0 0 *:49119 *:* udp 0 0 *:mdns *:*
只列出所有监听 UNIX 端口 netstat -lx
# netstat -lx Active UNIX domain sockets (only servers) Proto RefCnt Flags Type State I-Node Path unix 2 [ ACC ] STREAM LISTENING 6294 private/maildrop unix 2 [ ACC ] STREAM LISTENING 6203 public/cleanup unix 2 [ ACC ] STREAM LISTENING 6302 private/ifmail unix 2 [ ACC ] STREAM LISTENING 6306 private/bsmtp
</pre></div></div><h2 style="MARGIN-TOP: 10px; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; MARGIN-BOTTOM: 3px; FONT-SIZE: 21px"><a target=_blank name="t8"></a><strong><span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14pt">3. 显示每个协议的统计信息</span></strong></h2><p style="LINE-HEIGHT: 19.5px; MARGIN: 10px auto; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; FONT-SIZE: 13px"><strong> 显示所有端口的统计信息 netstat -s</strong></p><div style="LINE-HEIGHT: 19.5px; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; FONT-SIZE: 13px" class="wp_syntax"><div class="code"><div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 5px; BACKGROUND-COLOR: rgb(245,245,245); MARGIN: 5px 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 5px; FONT-FAMILY: 'Courier New' !important; FONT-SIZE: 12px !important; OVERFLOW: auto; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 5px" class="cnblogs_code"><div style="MARGIN-TOP: 5px" class="cnblogs_code_toolbar"><span style="LINE-HEIGHT: 1.5 !important; PADDING-RIGHT: 5px; FONT-SIZE: 12px !important" class="cnblogs_code_copy"><a target=_blank style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; COLOR: navy; BORDER-TOP: medium none; BORDER-RIGHT: medium none" title="复制代码" target="_blank"><img style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="复制代码" src="https://i-blog.csdnimg.cn/blog_migrate/69c5a8ac3fa60e0848d784a6dd461da6.gif" /></a></span></div><pre style="MARGIN-TOP: 0px; FONT-FAMILY: 'Courier New' !important; WORD-WRAP: break-word; WHITE-SPACE: pre-wrap; MARGIN-BOTTOM: 0px; FONT-SIZE: 12px !important"># netstat -s Ip: <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">11150</span> total packets received <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">1</span> with invalid addresses <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">0</span> forwarded <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">0</span> incoming packets discarded <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">11149</span> incoming packets delivered <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">11635</span> requests sent <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(0,0,255); FONT-SIZE: 12px !important">out</span> Icmp: <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">0</span> ICMP messages received <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">0</span> input ICMP message failed. Tcp: <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">582</span> active connections openings <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> failed connection attempts <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">25</span> connection resets received Udp: <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">1183</span> packets received <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">4</span> packets to unknown port received. .....
显示 TCP 或 UDP 端口的统计信息 netstat -st 或 -su
# netstat -st # netstat -su
4. 在 netstat 输出中显示 PID 和进程名称 netstat -p
netstat -p 可以与其它开关一起使用，就可以添加 “PID/进程名称” 到 netstat 输出中，这样 debugging 的时候可以很方便的发现特定端口运行的程序。
# netstat -pt Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 1 0 ramesh-laptop.loc:47212 192.168.185.75:www CLOSE_WAIT 2109/firefox tcp 0 0 ramesh-laptop.loc:52750 lax:www ESTABLISHED 2109/firefox
</pre></div></div><h2 style="MARGIN-TOP: 10px; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; MARGIN-BOTTOM: 3px; FONT-SIZE: 21px"><a target=_blank name="t11"></a><strong><span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14pt">5. 在 netstat 输出中不显示主机，端口和用户名 (host, port or user)</span></strong></h2><p style="LINE-HEIGHT: 19.5px; MARGIN: 10px auto; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; FONT-SIZE: 13px">当你不想让主机，端口和用户名显示，使用 netstat -n。将会使用数字代替那些名称。</p><p style="LINE-HEIGHT: 19.5px; MARGIN: 10px auto; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; FONT-SIZE: 13px">同样可以加速输出，因为不用进行比对查询。</p><div style="LINE-HEIGHT: 19.5px; FONT-FAMILY: Verdana, Geneva, Arial, Helvetica, sans-serif; FONT-SIZE: 13px" class="wp_syntax"><div class="code"><div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 5px; BACKGROUND-COLOR: rgb(245,245,245); MARGIN: 5px 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 5px; FONT-FAMILY: 'Courier New' !important; FONT-SIZE: 12px !important; OVERFLOW: auto; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 5px" class="cnblogs_code"><pre style="MARGIN-TOP: 0px; FONT-FAMILY: 'Courier New' !important; WORD-WRAP: break-word; WHITE-SPACE: pre-wrap; MARGIN-BOTTOM: 0px; FONT-SIZE: 12px !important"># netstat -an
如果只是不想让这三个名称中的一个被显示，使用以下命令
# netsat -a --numeric-ports # netsat -a --numeric-hosts # netsat -a --numeric-users
6. 持续输出 netstat 信息
netstat 将每隔一秒输出网络信息。
# netstat -c Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 ramesh-laptop.loc:36130 101-101-181-225.ama:www ESTABLISHED tcp 1 1 ramesh-laptop.loc:52564 101.11.169.230:www CLOSING tcp 0 0 ramesh-laptop.loc:43758 server-101-101-43-2:www ESTABLISHED tcp 1 1 ramesh-laptop.loc:42367 101.101.34.101:www CLOSING ^C
7. 显示系统不支持的地址族 (Address Families)
netstat --verbose
在输出的末尾，会有如下的信息
netstat: no support for `AF IPX' on this system. netstat: no support for `AF AX25' on this system. netstat: no support for `AF X25' on this system. netstat: no support for `AF NETROM' on this system.
8. 显示核心路由信息 netstat -r
# netstat -r Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 192.168.1.0 * 255.255.255.0 U 0 0 0 eth2 link-local * 255.255.0.0 U 0 0 0 eth2 default 192.168.1.1 0.0.0.0 UG 0 0 0 eth2
注意： 使用 netstat -rn 显示数字格式，不查询主机名称。
9. 找出程序运行的端口
并不是所有的进程都能找到，没有权限的会不显示，使用 root 权限查看所有的信息。
# netstat -ap | grep ssh tcp 1 0 dev-db:ssh 101.174.100.22:39213 CLOSE_WAIT - tcp 1 0 dev-db:ssh 101.174.100.22:57643 CLOSE_WAIT -
找出运行在指定端口的进程
# netstat -an | grep ':80'
10. 显示网络接口列表
# netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 0 0 0 0 0 0 0 0 BMU eth2 1500 0 26196 0 0 0 26883 6 0 0 BMRU lo 16436 0 4 0 0 0 4 0 0 0 LRU
显示详细信息，像是 ifconfig 使用 netstat -ie:
# netstat -ie Kernel Interface table eth0 Link encap:Ethernet HWaddr 00:10:40:11:11:11 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Memory:f6ae0000-f6b00000
</pre><h2 style="MARGIN-TOP: 10px; MARGIN-BOTTOM: 3px; FONT-SIZE: 21px"><a target=_blank name="t22"></a><strong><span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14pt"> </span></strong></h2><h2 style="MARGIN-TOP: 10px; MARGIN-BOTTOM: 3px; FONT-SIZE: 21px"><a target=_blank name="t23"></a><strong><span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14pt">11. IP和TCP分析</span></strong></h2><p style="LINE-HEIGHT: 1.5; MARGIN: 10px auto; FONT-SIZE: 13px"><strong> 查看连接某服务端口最多的的IP地址</strong></p><div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 5px; BACKGROUND-COLOR: rgb(245,245,245); MARGIN: 5px 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 5px; FONT-FAMILY: 'Courier New' !important; FONT-SIZE: 12px !important; OVERFLOW: auto; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 5px" class="cnblogs_code"><div style="MARGIN-TOP: 5px" class="cnblogs_code_toolbar"><span style="LINE-HEIGHT: 1.5 !important; PADDING-RIGHT: 5px; FONT-SIZE: 12px !important" class="cnblogs_code_copy"><a target=_blank style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; COLOR: navy; BORDER-TOP: medium none; BORDER-RIGHT: medium none" title="复制代码" target="_blank"><img style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="复制代码" src="https://i-blog.csdnimg.cn/blog_migrate/69c5a8ac3fa60e0848d784a6dd461da6.gif" /></a></span></div><pre style="MARGIN-TOP: 0px; FONT-FAMILY: 'Courier New' !important; WORD-WRAP: break-word; WHITE-SPACE: pre-wrap; MARGIN-BOTTOM: 0px; FONT-SIZE: 12px !important">wss8848@ubuntu:~$ netstat -nat | grep <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">"</span><span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">192.168.1.15:22</span><span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">"</span> |awk <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">'</span><span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">{print $5}</span><span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">'</span>|awk -F: <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">'</span><span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">{print $1}</span><span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,0); FONT-SIZE: 12px !important">'</span>|sort|uniq -c|sort -nr|head -<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">20</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">18</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">221.136</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">168.36</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">3</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">154.74</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">45.242</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">78.173</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">31.236</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">62.183</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">207.98</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">192.168</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">1.14</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">182.48</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">111.215</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">124.193</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">219.34</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">119.145</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">41.2</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">2</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">114.255</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">41.30</span>
<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">1</span> <span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">75.102</span>.<span style="LINE-HEIGHT: 1.5 !important; COLOR: rgb(128,0,128); FONT-SIZE: 12px !important">11.99</span>
TCP各种状态列表
wss8848@ubuntu:~$ netstat -nat |awk '{print $6}' established) Foreign LISTEN TIME_WAIT ESTABLISHED TIME_WAIT SYN_SENT
- <SPAN style="LINE-HEIGHT: 1.5; FONT-SIZE: 14px"> 先把状态全都取出来,然后使用uniq -c统计，之后再进行排序。</SPAN>
<span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14px"> 先把状态全都取出来,然后使用uniq -c统计，之后再进行排序。</span>wss8848@ubuntu:~$ netstat -nat |awk '{print $6}'|sort|uniq -c 143 ESTABLISHED 1 FIN_WAIT1 1 Foreign 1 LAST_ACK 36 LISTEN 6 SYN_SENT 113 TIME_WAIT 1 established)
- <SPAN style="LINE-HEIGHT: 1.5; FONT-SIZE: 14px"> 最后的命令如下:</SPAN>
<span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14px"> 最后的命令如下:</span>netstat -nat |awk '{print $6}'|sort|uniq -c|sort -rn
- <SPAN style="LINE-HEIGHT: 1.5; FONT-SIZE: 14px"><STRONG>分析access.log获得访问前10位的ip地址</STRONG></SPAN>
<span style="LINE-HEIGHT: 1.5; FONT-SIZE: 14px"><strong>分析access.log获得访问前10位的ip地址</strong></span>awk '{print $1}' access.log |sort|uniq -c|sort -nr|head -10
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