怎么发现端口被别人用了?怎么关闭端口?用什么软件?谢谢
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利用Antiy Ports看看，一个端口进程关联察看器，支持Windows2000
/NT/XP，他能察看你的端口是被那些进程所占用，支持在线端口信息查询，并且可以结
束进程。
下载地址：http://www8.pconline.com.cn/download/download.phtml?id=93725
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装个防火墙，可以控制端口数据的进出
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看看防火墙或者,如果是xp自带的防火墙可以看看日志
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找个端口表看看，不是你的程序开的就关掉，
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用天网防火墙
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TCP/IP端口过滤
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木马端口分析
port 21 - Blade Runner, Doly Trojan, Fore, Invisible FTP, WebEx, WinCrash
port 23 - Tiny Telnet Server
port 25 - Antigen, Email Password Sender, Haebu Coceda, Shtrilitz Stealth, Terminator, WinPC, WinSpy
port 31 - Hackers Paradise
port 80 - Executor
port 456 - Hackers Paradise
port 555 - Ini-Killer, Phase Zero, Stealth Spy
port 666 - Satanz Backdoor port 1001 - Silencer, WebEx
port 1011 - Doly Trojan
port 1170 - Psyber Stream Server, Voice
port 1234 - Ultors Trojan
port 1245 - VooDoo Doll
port 1492 - FTP99CMP
port 1600 - Shivka-Burka port 1807 - SpySender
port 1981 - Shockrave port 1999 - BackDoor
port 2001 - Trojan Cow
port 2023 - Ripper
port 2115 - Bugs
port 2140 - Deep Throat, The Invasor
port 2801 - Phineas Phucker
port 3024 - WinCrash
port 3129 - Masters Paradise
port 3150 - Deep Throat, The Invasor
port 3700 - Portal of Doom
port 4092 - WinCrash
port 4590 - ICQTrojan
port 5000 - Sockets de Troie
port 5001 - Sockets de Troie
port 5321 - Firehotcker
port 5400 - Blade Runner
port 5401 - Blade Runner
port 5402 - Blade Runner
port 5569 - Robo-Hack
port 5742 - WinCrash
port 6670 - DeepThroat
port 6771 - DeepThroat
port 6969 - GateCrasher, Priority
port 7000 - Remote Grab
port 7300 - NetMonitor
port 7301 - NetMonitor
port 7306 - NetMonitor
port 7307 - NetMonitor
port 7308 - NetMonitor
port 7789 - ICKiller
port 9872 - Portal of Doom
port 9873 - Portal of Doom
port 9874 - Portal of Doom
port 9875 - Portal of Doom
port 9989 - iNi-Killer
port 10067 - Portal of Doom
port 10167 - Portal of Doom
port 11000 - Senna Spy
port 11223 - Progenic trojan
port 12223 - Hack′99 KeyLogger
port 12345 - GabanBus, NetBus
port 12346 - GabanBus, NetBus
port 12361 - Whack-a-mole
port 12362 - Whack-a-mole
port 16969 - Priority
port 20001 - Millennium port 20034 - NetBus 2 Pro
port 21544 - GirlFriend
port 22222 - Prosiak
port 23456 - Evil FTP, Ugly FTP
port 26274 - Delta
port 31337 - Back Orifice
port 31338 - Back Orifice, DeepBO
port 31339 - NetSpy DK
port 31666 - BOWhack
port 33333 - Prosiak
port 34324 - BigGluck, TN port 40412 - The Spy
port 40421 - Masters Paradise
port 40422 - Masters Paradise
port 40423 - Masters Paradise
port 40426 - Masters Paradise
port 47262 - Delta
port 50505 - Sockets de Troie
port 50766 - Fore
port 53001 - Remote Windows Shutdown
port 61466 - Telecommando port 65000 - Devil
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关闭端口
网上邻居－－属性－－本地连接－－属性－－属性－－INTERNET协议－－属性－－高级－－
选项－－TCP/IP筛选－－属性－－在这里开放你想开放的端口－－确定