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Windows 查看端口占用情况 & 80端口被占用处理方法_windows查看80端口占用情况
作者：繁依Fanyi0 | 2024-05-16 03:11:01
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windows查看80端口占用情况
一 . 用netstat指令查看是端口占用情况
查看所有端口的占用情况
C:\Users\Administrator>netstat -ano 活动连接 协议 本地地址 外部地址 状态 PID TCP 0.0.0.0:21 0.0.0.0:0 LISTENING 2228 TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4 TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 740 TCP 0.0.0.0:389 0.0.0.0:0 LISTENING 3428 TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4 TCP 0.0.0.0:902 0.0.0.0:0 LISTENING 2496 TCP 0.0.0.0:912 0.0.0.0:0 LISTENING 2496 TCP 0.0.0.0:1689 0.0.0.0:0 LISTENING 3428 TCP 0.0.0.0:3306 0.0.0.0:0 LISTENING 2612 TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING 856 TCP 0.0.0.0:4444 0.0.0.0:0 LISTENING 3428 TCP 0.0.0.0:5985 0.0.0.0:0 LISTENING 4 TCP 0.0.0.0:8085 0.0.0.0:0 LISTENING 8044 TCP 0.0.0.0:47001 0.0.0.0:0 LISTENING 4 TCP 0.0.0.0:49664 0.0.0.0:0 LISTENING 476 TCP 0.0.0.0:49665 0.0.0.0:0 LISTENING 1012 TCP 0.0.0.0:49666 0.0.0.0:0 LISTENING 848 TCP 0.0.0.0:49667 0.0.0.0:0 LISTENING 1688 TCP 0.0.0.0:49668 0.0.0.0:0 LISTENING 2004 TCP 0.0.0.0:49669 0.0.0.0:0 LISTENING 600 TCP 0.0.0.0:49670 0.0.0.0:0 LISTENING 584 TCP 0.0.0.0:54021 0.0.0.0:0 LISTENING 3428 TCP 10.159.64.24:139 0.0.0.0:0 LISTENING 4 TCP 10.159.64.24:3389 10.159.44.100:45306 ESTABLISHED 856 TCP 10.159.64.24:54021 10.159.64.24:60248 ESTABLISHED 3428 TCP 10.159.64.24:60248 10.159.64.24:54021 ESTABLISHED 3428 TCP 127.0.0.1:7085 0.0.0.0:0 LISTENING 8044 TCP 127.0.0.1:54008 127.0.0.1:54009 ESTABLISHED 3428 TCP 127.0.0.1:54009 127.0.0.1:54008 ESTABLISHED 3428 TCP 127.0.0.1:54011 127.0.0.1:54012 ESTABLISHED 3428 TCP 127.0.0.1:54012 127.0.0.1:54011 ESTABLISHED 3428 TCP 127.0.0.1:54013 127.0.0.1:54014 ESTABLISHED 3428 TCP 127.0.0.1:54014 127.0.0.1:54013 ESTABLISHED 3428 TCP 127.0.0.1:54016 127.0.0.1:54017 ESTABLISHED 3428 TCP 127.0.0.1:54017 127.0.0.1:54016 ESTABLISHED 3428 TCP 127.0.0.1:54018 127.0.0.1:54019 ESTABLISHED 3428 TCP 127.0.0.1:54019 127.0.0.1:54018 ESTABLISHED 3428 TCP 127.0.0.1:54025 127.0.0.1:54026 ESTABLISHED 8044 TCP 127.0.0.1:54026 127.0.0.1:54025 ESTABLISHED 8044 TCP 192.168.58.1:139 0.0.0.0:0 LISTENING 4 TCP 192.168.195.1:139 0.0.0.0:0 LISTENING 4 TCP [::]:21 [::]:0 LISTENING 2228 TCP [::]:80 [::]:0 LISTENING 4 TCP [::]:135 [::]:0 LISTENING 740 TCP [::]:389 [::]:0 LISTENING 3428 TCP [::]:445 [::]:0 LISTENING 4 TCP [::]:1689 [::]:0 LISTENING 3428 TCP [::]:3306 [::]:0 LISTENING 2612 TCP [::]:3389 [::]:0 LISTENING 856 TCP [::]:4444 [::]:0 LISTENING 3428 TCP [::]:5985 [::]:0 LISTENING 4 TCP [::]:8085 [::]:0 LISTENING 8044 TCP [::]:47001 [::]:0 LISTENING 4 TCP [::]:49664 [::]:0 LISTENING 476 TCP [::]:49665 [::]:0 LISTENING 1012 TCP [::]:49666 [::]:0 LISTENING 848 TCP [::]:49667 [::]:0 LISTENING 1688 TCP [::]:49668 [::]:0 LISTENING 2004 TCP [::]:49669 [::]:0 LISTENING 600 TCP [::]:49670 [::]:0 LISTENING 584 TCP [::]:54021 [::]:0 LISTENING 3428 UDP 0.0.0.0:123 *:* 452 UDP 0.0.0.0:500 *:* 848 UDP 0.0.0.0:3389 *:* 856 UDP 0.0.0.0:4500 *:* 848 UDP 0.0.0.0:5050 *:* 452 UDP 0.0.0.0:5353 *:* 1120 UDP 0.0.0.0:5355 *:* 1120 UDP 10.159.64.24:137 *:* 4 UDP 10.159.64.24:138 *:* 4 UDP 10.159.64.24:1900 *:* 716 UDP 10.159.64.24:52841 *:* 716 UDP 127.0.0.1:1900 *:* 716 UDP 127.0.0.1:52844 *:* 716 UDP 192.168.58.1:137 *:* 4 UDP 192.168.58.1:138 *:* 4 UDP 192.168.58.1:1900 *:* 716 UDP 192.168.58.1:52843 *:* 716 UDP 192.168.195.1:137 *:* 4 UDP 192.168.195.1:138 *:* 4 UDP 192.168.195.1:1900 *:* 716 UDP 192.168.195.1:52842 *:* 716 UDP [::]:123 *:* 452 UDP [::]:500 *:* 848 UDP [::]:3389 *:* 856 UDP [::]:4500 *:* 848 UDP [::]:5353 *:* 1120 UDP [::]:5355 *:* 1120 UDP [::1]:1900 *:* 716 UDP [::1]:52840 *:* 716 UDP [fe80::557e:e741:6082:9989%4]:546 *:* 1012 UDP [fe80::557e:e741:6082:9989%4]:1900 *:* 716 UDP [fe80::557e:e741:6082:9989%4]:52839 *:* 716 UDP [fe80::e04c:f5c2:4a:3289%3]:1900 *:* 716 UDP [fe80::e04c:f5c2:4a:3289%3]:52838 *:* 716
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命令格式：netstat [options]
－a表示显示所有活动的TCP连接以及计算机监听的TCP和UDP端口。
－n表示只以数字形式显示所有活动的TCP连接的地址和端口号。
－o表示显示活动的TCP连接并包括每个连接的进程ID（PID）。
查看特定端口的占用情况（以80端口为例）
C:\Users\Administrator>netstat -aon|findstr 80
TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4
TCP 0.0.0.0:8085 0.0.0.0:0 LISTENING 8044
TCP 127.0.0.1:7085 0.0.0.0:0 LISTENING 8044
TCP 127.0.0.1:54025 127.0.0.1:54026 ESTABLISHED 8044
TCP 127.0.0.1:54026 127.0.0.1:54025 ESTABLISHED 8044
TCP [::]:80 [::]:0 LISTENING 4
TCP [::]:8085 [::]:0 LISTENING 8044
UDP [fe80::557e:e741:6082:9989%4]:1900 *:* 716
UDP [fe80::557e:e741:6082:9989%4]:52839 *:* 716
UDP [fe80::e04c:f5c2:4a:3289%3]:1900 *:* 716
UDP [fe80::e04c:f5c2:4a:3289%3]:52838 *:* 716
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在第2列可以找到，占用80端口的进程号为4。
二. 用tasklist指令查找进程号对应的名称
查找所有进程号对应的名称
C:\Users\Administrator>tasklist 映像名称 PID 会话名 会话# 内存使用 ========================= ======== ================ =========== ============ System Idle Process 0 Services 0 4 K System 4 Services 0 140 K smss.exe 260 Services 0 1,280 K csrss.exe 368 Services 0 4,344 K csrss.exe 456 Console 1 4,096 K wininit.exe 476 Services 0 5,900 K winlogon.exe 512 Console 1 8,456 K services.exe 584 Services 0 13,848 K lsass.exe 600 Services 0 16,572 K svchost.exe 676 Services 0 26,880 K svchost.exe 740 Services 0 24,716 K svchost.exe 848 Services 0 140,064 K svchost.exe 856 Services 0 50,948 K svchost.exe 912 Services 0 32,872 K dwm.exe 932 Console 1 29,708 K LogonUI.exe 940 Console 1 41,764 K svchost.exe 1012 Services 0 30,416 K svchost.exe 452 Services 0 25,796 K WUDFHost.exe 1032 Services 0 8,284 K svchost.exe 1052 Services 0 18,176 K svchost.exe 1120 Services 0 23,008 K svchost.exe 1128 Services 0 7,252 K svchost.exe 2004 Services 0 7,288 K spoolsv.exe 1688 Services 0 16,612 K svchost.exe 2144 Services 0 25,436 K svchost.exe 2152 Services 0 10,592 K svchost.exe 2184 Services 0 8,488 K svchost.exe 2192 Services 0 19,312 K svchost.exe 2228 Services 0 11,568 K vmnat.exe 2252 Services 0 6,956 K svchost.exe 2260 Services 0 11,440 K MsMpEng.exe 2352 Services 0 154,116 K vmnetdhcp.exe 2380 Services 0 11,216 K vmware-usbarbitrator64.ex 2444 Services 0 10,000 K vmware-authd.exe 2496 Services 0 13,440 K mysqld.exe 2612 Services 0 26,688 K csrss.exe 3864 RDP-Tcp#6 2 12,792 K winlogon.exe 3924 RDP-Tcp#6 2 8,400 K dwm.exe 3988 RDP-Tcp#6 2 128,360 K rdpclip.exe 1220 RDP-Tcp#6 2 20,332 K RuntimeBroker.exe 3612 RDP-Tcp#6 2 34,632 K sihost.exe 3764 RDP-Tcp#6 2 22,676 K svchost.exe 3080 RDP-Tcp#6 2 19,868 K taskhostw.exe 1752 RDP-Tcp#6 2 20,804 K explorer.exe 4024 RDP-Tcp#6 2 523,136 K ChsIME.exe 1936 RDP-Tcp#6 2 9,064 K ShellExperienceHost.exe 4308 RDP-Tcp#6 2 83,412 K SearchUI.exe 4392 RDP-Tcp#6 2 47,184 K ServerManager.exe 4700 RDP-Tcp#6 2 99,764 K vmware-tray.exe 4936 RDP-Tcp#6 2 12,512 K msdtc.exe 4792 Services 0 9,692 K plmdeployer_prd_simple.ex 5008 RDP-Tcp#6 2 103,076 K plmdeployer_prd_simple.ex 3776 RDP-Tcp#6 2 92,332 K notepad.exe 1184 RDP-Tcp#6 2 14,124 K dllhost.exe 3264 RDP-Tcp#6 2 9,140 K plmdeployer_prd_simple.ex 2112 RDP-Tcp#6 2 93,160 K svchost.exe 716 Services 0 6,892 K mmc.exe 376 RDP-Tcp#6 2 11,144 K mmc.exe 800 RDP-Tcp#6 2 17,328 K taskhostw.exe 4352 RDP-Tcp#6 2 19,148 K notepad.exe 724 RDP-Tcp#6 2 14,080 K wordpad.exe 7576 RDP-Tcp#6 2 36,588 K java.exe 3428 RDP-Tcp#6 2 372,520 K cmd.exe 8088 RDP-Tcp#6 2 3,212 K conhost.exe 3520 RDP-Tcp#6 2 15,196 K java.exe 8044 RDP-Tcp#6 2 561,224 K wordpad.exe 5724 RDP-Tcp#6 2 33,536 K notepad.exe 5688 RDP-Tcp#6 2 15,676 K git-bash.exe 4932 RDP-Tcp#6 2 5,164 K mintty.exe 5348 RDP-Tcp#6 2 19,216 K conhost.exe 8632 RDP-Tcp#6 2 11,716 K bash.exe 9108 RDP-Tcp#6 2 9,644 K git-bash.exe 5148 RDP-Tcp#6 2 5,104 K mintty.exe 9084 RDP-Tcp#6 2 18,784 K conhost.exe 8488 RDP-Tcp#6 2 11,724 K bash.exe 4408 RDP-Tcp#6 2 9,588 K git-bash.exe 756 RDP-Tcp#6 2 5,124 K mintty.exe 2284 RDP-Tcp#6 2 18,220 K conhost.exe 980 RDP-Tcp#6 2 11,676 K bash.exe 5892 RDP-Tcp#6 2 9,580 K notepad.exe 8272 RDP-Tcp#6 2 14,852 K notepad.exe 3464 RDP-Tcp#6 2 14,436 K cmd.exe 3636 RDP-Tcp#6 2 2,900 K conhost.exe 8756 RDP-Tcp#6 2 14,972 K notepad.exe 9036 RDP-Tcp#6 2 15,964 K mmc.exe 7244 RDP-Tcp#6 2 13,036 K ApplicationFrameHost.exe 5996 RDP-Tcp#6 2 24,204 K SystemSettings.exe 6804 RDP-Tcp#6 2 57,788 K MpCmdRun.exe 5948 Services 0 8,248 K svchost.exe 5572 Services 0 6,228 K tasklist.exe 6904 RDP-Tcp#6 2 8,080 K WmiPrvSE.exe 3084 Services 0 8,688 K
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查找所有特定进程号对应的名称（以进程4为例）
C:\Users\Administrator>tasklist|findstr 4 System Idle Process 0 Services 0 4 K System 4 Services 0 140 K csrss.exe 368 Services 0 4,340 K csrss.exe 456 Console 1 4,096 K wininit.exe 476 Services 0 5,900 K winlogon.exe 512 Console 1 8,456 K services.exe 584 Services 0 13,848 K svchost.exe 740 Services 0 24,716 K svchost.exe 848 Services 0 138,932 K svchost.exe 856 Services 0 51,140 K LogonUI.exe 940 Console 1 41,764 K svchost.exe 1012 Services 0 30,456 K svchost.exe 452 Services 0 25,796 K WUDFHost.exe 1032 Services 0 8,284 K svchost.exe 2004 Services 0 7,288 K svchost.exe 2144 Services 0 25,432 K svchost.exe 2184 Services 0 8,488 K svchost.exe 2192 Services 0 19,304 K svchost.exe 2260 Services 0 11,440 K MsMpEng.exe 2352 Services 0 154,988 K vmware-usbarbitrator64.ex 2444 Services 0 10,000 K vmware-authd.exe 2496 Services 0 13,440 K csrss.exe 3864 RDP-Tcp#6 2 12,840 K winlogon.exe 3924 RDP-Tcp#6 2 8,400 K dwm.exe 3988 RDP-Tcp#6 2 133,044 K RuntimeBroker.exe 3612 RDP-Tcp#6 2 34,632 K sihost.exe 3764 RDP-Tcp#6 2 22,676 K explorer.exe 4024 RDP-Tcp#6 2 522,228 K ChsIME.exe 1936 RDP-Tcp#6 2 9,064 K ShellExperienceHost.exe 4308 RDP-Tcp#6 2 83,412 K SearchUI.exe 4392 RDP-Tcp#6 2 47,184 K ServerManager.exe 4700 RDP-Tcp#6 2 99,764 K vmware-tray.exe 4936 RDP-Tcp#6 2 12,512 K msdtc.exe 4792 Services 0 9,692 K notepad.exe 1184 RDP-Tcp#6 2 14,124 K dllhost.exe 3264 RDP-Tcp#6 2 9,140 K mmc.exe 800 RDP-Tcp#6 2 17,524 K taskhostw.exe 4352 RDP-Tcp#6 2 19,148 K notepad.exe 724 RDP-Tcp#6 2 14,080 K java.exe 3428 RDP-Tcp#6 2 372,520 K java.exe 8044 RDP-Tcp#6 2 561,224 K wordpad.exe 5724 RDP-Tcp#6 2 33,536 K git-bash.exe 4932 RDP-Tcp#6 2 5,164 K mintty.exe 5348 RDP-Tcp#6 2 19,216 K bash.exe 9108 RDP-Tcp#6 2 9,644 K git-bash.exe 5148 RDP-Tcp#6 2 5,104 K mintty.exe 9084 RDP-Tcp#6 2 18,784 K conhost.exe 8488 RDP-Tcp#6 2 11,724 K bash.exe 4408 RDP-Tcp#6 2 9,588 K git-bash.exe 756 RDP-Tcp#6 2 5,124 K mintty.exe 2284 RDP-Tcp#6 2 18,220 K notepad.exe 8272 RDP-Tcp#6 2 14,852 K notepad.exe 3464 RDP-Tcp#6 2 14,436 K conhost.exe 8756 RDP-Tcp#6 2 14,972 K notepad.exe 9036 RDP-Tcp#6 2 15,964 K mmc.exe 7244 RDP-Tcp#6 2 13,036 K ApplicationFrameHost.exe 5996 RDP-Tcp#6 2 24,204 K SystemSettings.exe 6804 RDP-Tcp#6 2 57,788 K MpCmdRun.exe 5948 Services 0 8,160 K tasklist.exe 4476 RDP-Tcp#6 2 8,092 K
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从第2列找到进程号为4的，发现是System。
也可以在任务管理器查看进程对应的服务，发现pid=4的进程，其对应的进程描述是NT kernel & system。
三. 遇到了“80端口被System占用”，该如何解决呢？
这是什么进程？
系统的80端口是被W3SVC（万维网发布服务，World Wide Web Publishing Service）占用了，它是系统提供http服务的依赖项。哪些服务使用了这个端口呢？
- World Wide Web：发布服务
- SSDP Discovery：局域网共享所需服务
- Print Spooler：打印机交互服务
怎么处理呢？
如果允许，可以直接不使用这个服务，这个进程显式停止是无法停止的，只有在cmd.exe里使用net stop http来停止。
(1) 关闭服务
C:\Users\Administrator>net stop http
下面的服务依赖于 HTTP Service 服务。
停止 HTTP Service 服务也会停止这些服务。
World Wide Web 发布服务
SSDP Discovery
Print Spooler
你想继续此操作吗? (Y/N) [N]: y
World Wide Web 发布服务 服务正在停止.
World Wide Web 发布服务 服务已成功停止。
SSDP Discovery 服务正在停止.
SSDP Discovery 服务已成功停止。
Print Spooler 服务正在停止.
Print Spooler 服务已成功停止。
HTTP Service 服务已成功停止。
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或显示如下:
(2) 禁用服务
C:\Users\Administrator>sc config http start= disabled
[SC] ChangeServiceConfig 成功
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此时查看可能发现80端口尚未释放,此时需重启服务器。
重启后,80单口端口就释放了。
补充知识：
重新启动http服务，执行如下命令：
C:\Users\Administrator>sc config http start= demand
C:\Users\Administrator>net start http
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参考文章:
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