一、摘要
计算机 "端口" 是英文 port ,可以认为是计算机与外界通讯交流的出口。
- 其中硬件领域的 端口 又称 接口,如:USB端口、串行端口等。
- 软件领域的 端口 一般指网络中面向连接服务和无连接服务的通信协议端口,是一种抽象的软件结构,包括一些 数据结构 和 I/O(基本输入输出)缓冲区。
面向连接 和 无连接 协议(Connection-Oriented and Connectionless Protocols)
- 面向连接服务的主要特点有:面向连接服务要经过三个阶段:数据传数前,先建立连接,连接建立后再传输数据,数据传送完后,释放连接。面向连接服务,可确保数据传送的次序和传输的可靠性。
- 无连接服务的特点是:无连接服务只有传输数据阶段。消除了除数据通信外的其它开销。只要发送实体是活跃的,无须接收实体也是活跃的。它的优点是灵活方便、迅速,特别适合于传送少量零星的报文,但无连接服务不能防止报文的丢失、重复或失序。
区分 "面向连接服务" 和 "无连接服务" 的概念很简单,形象的例子是:打电话和写信。
- 面向连接就相当于打电话:两个人如果要通电话,必须先建立连接(即拨号),等待应答后才能相互传递信息,最后还要释放连接(即挂电话)。
- 无连接服务就相当于写信:写信就没有那么复杂了,地址姓名填好以后直接往邮筒一扔,收信人就能收到。
二、什么是端口
在 Internet 上,各主机间通过 TCP/TP 协议 发送和接收 数据报,各个数据报 根据其 目的主机的 IP 地址 来进行互联网络中的路由选择,但是现在操作系统都支持 多程序(进程) 同时运行,那么目的主机应该把接收到的数据报传送给这些同时运行的进程中的哪一个呢?显然这个问题有待解决,端口机制便由此被引入进来。
本地操作系统会给那些有需求的进程分配协议端口 ( protocal port,即我们常说的端口 ),每个协议端口由一个正整数标识,如:80,139,445,等等。当目的主机接收到数据报后,将根据报文首部的目的端口号,把数据发送到相应端口,而与此端口相对应的那个进程将会领取数据并等待下一组数据的到来。
端口 是网络应用中很重要的东西,相当于 "门" 了。
接受数据报的进程需要开启它自己的端口,
发送数据报的进程也需要开启端口,
这样,数据报中将会标识有源端口,以便接受方能顺利的回传数据报到这个端口。
应用程序(调入内存运行后一般称为:进程)通过系统调用与某端口建立连接(binding,绑定)后,传输层传给该端口的数据都被相应的进程所接收,相应进程发给传输层的数据都从该端口输出。在 TCP/IP 协议的实现中,端口操作类似于一般的 I/O 操作,进程获取一个端口,相当于获取本地唯一的I/O文件,可以用一般的读写方式访问。
Linux 中类似于文件描述符,每个端口都拥有一个叫做端口号的整数描述符,用来区别不同的端口。
由于 TCP/IP 传输层的 TCP 和 UDP 两个协议是两个完全独立的软件模块,因此各自的端口号也相互独立。
如 TCP有一个 255 号端口,UDP 也可以有一个 255 号端口,两者并不冲突。
三、端口的分类
在 Internet 上,按照协议类型分类,端口 被分为 TCP端口 和 UDP端口 两类,虽然他们都用正整数标识,但这并不会引起歧义。
比如:TCP的80端口 和 UDP的80端口,因为数据报在标明端口的同时,还将标明端口的类型,所以不会发生冲突。
端口号有两种基本分配方式:
- 全局分配:这是一种集中分配方式,由一个公认权威的中央机构根据用户需要进行统一分配,并将结果公布于众,
- 本地分配:又称动态连接,即进程需要访问传输层服务时,向本地操作系统提出申请,操作系统返回本地唯一的端口号,进程再通过合适的系统调用,将自己和该端口连接起来(binding,绑定)。
TCP/IP 端口号的分配综合了以上两种方式,将端口号分为两部分,
- 少量的作为保留端口,以全局方式分配给服务进程。每一个标准服务器都拥有一个全局公认的端口叫周知口,即使在不同的机器上,其端口号也相同。
- 剩余的为自由端口,以本地方式进行分配。TCP和UDP规定,小于256的端口才能作为保留端口。
从端口的分配来看,端口被分为 固定端口 和 动态端口 两大类( 一些教程还将极少被用到的高端口划分为第三类:私有端口):
- 固定端口(0-1023):使用集中式管理机制,即服从一个管理机构对端口的指派,这个机构负责发布这些指派。通常这些端口的通讯明确表明了某种服务的协议。例如:80端口实际上总是HTTP通讯。 所以可以扫描这些端口来判断对方是否开启了这些服务,如TCP的21(ftp),80(http),139(netbios),UDP的7(echo),69(tftp)等等一些大家熟 知的端口。
- 动态端口(1024-49151):这些端口并不被固定捆绑某一服务,操作系统将这些端口动态的分配给各个进程, 同一进程两次分配有可能分配到不同的端口。不过一些应用程序并不愿意使用操作系统分配的动态端口,他们有其自己的 "商标性" 端口,比如:oicq 客户端的 4000 端口,木马冰河的7626端口等都是固定而出名的。
- 私有端口(Dynamic and/or Private Ports):从 49152 到 65535。理论上,不应为服务分配这些端口。实际上,机器通常从1024起分配动态端口。但也有例外:SUN的RPC端口从32768开始。
系统管理员可以 "重定向" 端口:
- 把一个端口重定向到另一个端口。例如:默认的 HTTP 端口是 80,可以重定向到 8080。访问 http://www.127.0.0.1:8080/ 就是访问 http://www.127.0.0.1:80/
实现重定向是为了隐藏公认的默认端口,降低受破坏率。
- 如果要对一个公认的默认端口进行攻击,则必须先进行端口扫描。大多数端口重定向与原端口有相似之处,例如:多数 HTTP端口由80变化而来:81,88,8000,8080,8888。同样 POP 的端口原来在110,也常被重定向到 1100。也有不少情况是选取统计上有特别意义的数,象1234,23456,34567等。许多人有其它原因选择奇怪的数,42,69,666,31337。近来,越来越多的远程控制木马( Remote Access Trojans, RATs )采用相同的默认端口。如NetBus的默认端口是12345。Blake R. Swopes 指出使用重定向端口还有一个原因,在 UNIX 系统上,如果你想侦听 1024 以下的端口需要有 root 权限。如果你没有 root 权限而又想开 web 服务,你就需要将其安装在较高的端口。此外,一些 ISP 的防火墙将阻挡低端口的通讯,这样的话即使你拥有整个机器你还是得重定向端口。
四、端口在入侵中的作用
如果把 服务器 比作 房子,那么 端口 可以看作是通向不同房间(服务)的 门,如果不考虑细节的话,这是一个不错的比喻。
入侵者要占领这间房子,势必要破门而入(物理入侵另说),那么对于入侵者来说,了解房子开了几扇门,都是什么样的门,门后面有什么东西就显得至关重要。
入侵者通常会用 扫描器 对目标主机的 端口 进行扫描,以确定哪些端口是开放的,从开放的端口,入侵者可以知道目标主机大致提供了哪些服务,进而猜测可能存在的漏洞。
因此对端口的扫描可以帮助我们更好的了解目标主机,而对于管理员,扫描本机的开放端口也是做好安全防范的第一步。
五、端口的相关工具
netstat -an
查看自己所开放端口的最方便方法,在 cmd 中输入这个命令就可以了。如下:
C:/>netstat -anActive ConnectionsProto Local Address Foreign Address StateTCP 0.0.0.0:135 0.0.0.0:0 LISTENINGTCP 0.0.0.0:445 0.0.0.0:0 LISTENINGTCP 0.0.0.0:1025 0.0.0.0:0 LISTENINGTCP 0.0.0.0:1026 0.0.0.0:0 LISTENINGTCP 0.0.0.0:1028 0.0.0.0:0 LISTENINGTCP 0.0.0.0:3372 0.0.0.0:0 LISTENINGUDP 0.0.0.0:135 *:*UDP 0.0.0.0:445 *:*UDP 0.0.0.0:1027 *:*UDP 127.0.0.1:1029 *:*UDP 127.0.0.1:1030 *:*这是我没上网的时候机器所开的端口,两个135和445是固定端口,其余几个都是动态端口。
fport.exe 和 mport.exe
:https://blog.csdn.net/csdnww1130/article/details/100321956
这也是两个命令行下查看本地机器开放端口的小程序,其实与 netstat -an 这个命令大同小异,只不过它能够显示打开端口的进程,信息更多一些而已,如果你怀疑自己的奇怪端口可能是木马,那就用他们查查吧。
activeport.exe(也称aports.exe)
还是用来查看本地机器开放端口的东东,除了具有上面两个程序的全部功能外,他还有两个更吸引人之处:图形界面以及可以关闭端口。这对菜鸟来说是个绝对好用的东西,推荐使用喔。
superscan
纯端口扫描类软件中的 NO.1,速度快而且可以指定扫描的端口,不多说了,绝对必备工具。
六、保护好自己的端口
刚接触网络的朋友一般都对自己的端口很敏感,总怕自己的电脑开放了过多端口,更怕其中就有后门程序的端口,但由于对端口不是很熟悉,所以也没有解决办法,上起网来提心吊胆。其实保护自己的端口并不是那么难,只要做好下面几点就行了:
- 1) 查看:经常用命令或软件查看本地所开放的端口,看是否有可疑端口;
- 2) 判断:如果开放端口中有你不熟悉的,应该马上查找端口大全或木马常见端口等资料(网上多的很),看看里面对你那个可疑端口的作用描述,或者通过软件查看开启此端口的进程来进行判断;
- 3) 关闭:如果真是木马端口或者资料中没有这个端口的描述,那么应该关闭此端口,你可以用防火墙来屏蔽此端口,也可以用本地连接-TCP/IP-高级-选项-TCP/IP筛选,启用筛选机制来筛选端口;
注意:判断时候要慎重,因为一些动态分配的端口也容易引起你多余的怀疑,这类端口一般比较低,且连续。还有,一些狡猾的后门软件,他们会借用 80 等一些常见端口来进行通信(穿透了防火墙),令人防不胜防,因此不轻易运行陌生程序才是关键。
七、常见端口表汇总
1 tcpmux TCP Port Service Multiplexer 传输控制协议端口服务多路开关选择器
2 compressnet Management Utility compressnet 管理实用程序
3 compressnet Compression Process 压缩进程
5 rje Remote Job Entry 远程作业登录
7 echo Echo 回显
9 discard Discard 丢弃
11 systat Active Users 在线用户
13 daytime Daytime 时间
17 qotd Quote of the Day 每日引用
18 msp Message Send Protocol 消息发送协议
19 chargen Character Generator 字符发生器
20 ftp-data File Transfer [Default Data] 文件传输协议(默认数据口)
21 ftp File Transfer [Control] 文件传输协议(控制)
22 ssh SSH Remote Login Protocol SSH远程登录协议
23 telnet Telnet 终端仿真协议
24 ? any private mail system 预留给个人用邮件系统
25 smtp Simple Mail Transfer 简单邮件发送协议
27 nsw-fe NSW User System FE NSW 用户系统现场工程师
29 msg-icp MSG ICP MSG ICP
31 msg-auth MSG Authentication MSG验证
33 dsp Display Support Protocol 显示支持协议
35 ? any private printer server 预留给个人打印机服务
37 time Time 时间
38 rap Route Access Protocol 路由访问协议
39 rlp Resource Location Protocol 资源定位协议
41 graphics Graphics 图形
42 nameserver WINS Host Name Server WINS 主机名服务
43 nicname Who Is "绰号" who is服务
44 mpm-flags MPM FLAGS Protocol MPM(消息处理模块)标志协议
45 mpm Message Processing Module [recv] 消息处理模块
46 mpm-snd MPM [default send] 消息处理模块(默认发送口)
47 ni-ftp NI FTP NI FTP
48 auditd Digital Audit Daemon 数码音频后台服务
49 tacacs Login Host Protocol (TACACS) TACACS登录主机协议
50 re-mail-ck Remote Mail Checking Protocol 远程邮件检查协议
51 la-maint IMP Logical Address Maintenance IMP(接口信息处理机)逻辑地址维护
52 xns-time XNS Time Protocol 施乐网络服务系统时间协议
53 domain Domain Name Server 域名服务器
54 xns-ch XNS Clearinghouse 施乐网络服务系统票据交换
55 isi-gl ISI Graphics Language ISI图形语言
56 xns-auth XNS Authentication 施乐网络服务系统验证
57 ? any private terminal access 预留个人用终端访问
58 xns-mail XNS Mail 施乐网络服务系统邮件
59 ? any private file service 预留个人文件服务
60 ? Unassigned 未定义
61 ni-mail NI MAIL NI邮件?
62 acas ACA Services 异步通讯适配器服务
63 whois+ whois+ WHOIS+
64 covia Communications Integrator (CI) 通讯接口
65 tacacs-ds TACACS-Database Service TACACS数据库服务
66 sql*net Oracle SQL*NET Oracle SQL*NET
67 bootps Bootstrap Protocol Server 引导程序协议服务端
68 bootpc Bootstrap Protocol Client 引导程序协议客户端
69 tftp Trivial File Transfer 小型文件传输协议
70 gopher Gopher 信息检索协议
71 netrjs-1 Remote Job Service 远程作业服务
72 netrjs-2 Remote Job Service 远程作业服务
73 netrjs-3 Remote Job Service 远程作业服务
74 netrjs-4 Remote Job Service 远程作业服务
75 ? any private dial out service 预留给个人拨出服务
76 deos Distributed External Object Store 分布式外部对象存储
77 ? any private RJE service 预留给个人远程作业输入服务
78 vettcp vettcp 修正TCP?
79 finger Finger FINGER(查询远程主机在线用户等信息)
80 http World Wide Web HTTP 全球信息网超文本传输协议
81 hosts2-ns HOSTS2 Name Server HOST2名称服务
82 xfer XFER Utility 传输实用程序
83 mit-ml-dev MIT ML Device 模块化智能终端ML设备
84 ctf Common Trace Facility 公用追踪设备
85 mit-ml-dev MIT ML Device 模块化智能终端ML设备
86 mfcobol Micro Focus Cobol Micro Focus Cobol编程语言
87 ? any private terminal link 预留给个人终端连接
88 kerberos Kerberos Kerberros安全认证系统
89 su-mit-tg SU/MIT Telnet Gateway SU/MIT终端仿真网关
90 dnsix DNSIX Securit Attribute Token Map DNSIX 安全属性标记图
91 mit-dov MIT Dover Spooler MIT Dover假脱机
92 npp Network Printing Protocol 网络打印协议
93 dcp Device Control Protocol 设备控制协议
94 objcall Tivoli Object Dispatcher Tivoli对象调度
95 supdup SUPDUP
96 dixie DIXIE Protocol Specification DIXIE协议规范
97 Swift-rvf Swift Remote Virtural File Protocol 快速远程虚拟文件协议
98 tacnews TAC News TAC(东京大学自动计算机?)新闻协议
99 metagram Metagram Relay
101/tcp hostname NIC Host Name Server
102/tcp iso-tsap ISO-TSAP Class 0
103/tcp gppitnp Genesis Point-to-Point Trans Net
104/tcp acr-nema ACR-NEMA Digital Imag. & Comm. 300
105/tcp cso CCSO name server protocol
105/tcp csnet-ns Mailbox Name Nameserver
106/tcp 3com-tsmux 3COM-TSMUX
107/tcp rtelnet Remote Telnet Service
108/tcp snagas SNA Gateway Access Server
109/tcp pop2 Post Office Protocol - Version 2
110/tcp pop3 Post Office Protocol - Version 3
111/tcp sunrpc SUN Remote Procedure Call
112/tcp mcidas McIDAS Data Transmission Protocol
113/tcp ident
114/tcp audionews Audio News Multicast
115/tcp sftp Simple File Transfer Protocol
116/tcp ansanotify ANSA REX Notify
117/tcp uucp-path UUCP Path Service
118/tcp sqlserv SQL Services
119/tcp nntp Network News Transfer Protocol
120/tcp cfdptkt CFDPTKT
121/tcp erpc Encore Expedited Remote Pro.Call
122/tcp smakynet SMAKYNET
123/tcp ntp Network Time Protocol
124/tcp ansatrader ANSA REX Trader
125/tcp locus-map Locus PC-Interface Net Map Ser
126/tcp unitary Unisys Unitary Login
127/tcp locus-con Locus PC-Interface Conn Server
128/tcp gss-xlicen GSS X License Verification
129/tcp pwdgen Password Generator Protocol
130/tcp cisco-fna cisco FNATIVE
131/tcp cisco-tna cisco TNATIVE
132/tcp cisco-sys cisco SYSMAINT
133/tcp statsrv Statistics Service
134/tcp ingres-net INGRES-NET Service
135/tcp epmap DCE endpoint resolution
136/tcp profile PROFILE Naming System
137/tcp netbios-ns NETBIOS Name Service
138/tcp netbios-dgm NETBIOS Datagram Service
139/tcp netbios-ssn NETBIOS Session Service
140/tcp emfis-data EMFIS Data Service
141/tcp emfis-cntl EMFIS Control Service
142/tcp bl-idm Britton-Lee IDM
143/tcp imap Internet Message Access Protocol
144/tcp uma Universal Management Architecture
145/tcp uaac UAAC Protocol
146/tcp iso-tp0 ISO-IP0
147/tcp iso-ip ISO-IP
148/tcp jargon Jargon
149/tcp aed-512 AED 512 Emulation Service
150/tcp sql-net SQL-NET
151/tcp hems HEMS
152/tcp bftp Background File Transfer Program
153/tcp sgmp SGMP
154/tcp netsc-prod NETSC
155/tcp netsc-dev NETSC
156/tcp sqlsrv SQL Service
157/tcp knet-cmp KNET/VM Command/Message Protocol
158/tcp pcmail-srv PCMail Server
159/tcp nss-routing NSS-Routing
160/tcp sgmp-traps SGMP-TRAPS
161/tcp snmp SNMP
162/tcp snmptrap SNMPTRAP
163/tcp cmip-man CMIP/TCP Manager
164/tcp cmip-agent CMIP/TCP Agent
165/tcp xns-courier Xerox
166/tcp s-net Sirius Systems
167/tcp namp NAMP
168/tcp rsvd RSVD
169/tcp send SEND
170/tcp print-srv Network PostScript
171/tcp multiplex Network Innovations Multiplex
172/tcp cl/1 Network Innovations CL/1
173/tcp xyplex-mux Xyplex
174/tcp mailq MAILQ
175/tcp vmnet VMNET
176/tcp genrad-mux GENRAD-MUX
177/tcp xdmcp X Display Manager Control Protocol
178/tcp nextstep NextStep Window Server
179/tcp bgp Border Gateway Protocol
180/tcp ris Intergraph
181/tcp unify Unify
182/tcp audit Unisys Audit SITP
183/tcp ocbinder OCBinder
184/tcp ocserver OCServer
185/tcp remote-kis Remote-KIS
186/tcp kis KIS Protocol
187/tcp aci Application Communication Interface
188/tcp mumps Plus Five‘s MUMPS
189/tcp qft Queued File Transport
190/tcp gacp Gateway Access Control Protocol
191/tcp prospero Prospero Directory Service
192/tcp osu-nms OSU Network Monitoring System
193/tcp srmp Spider Remote Monitoring Protocol
194/tcp irc Internet Relay Chat Protocol
195/tcp dn6-nlm-aud DNSIX Network Level Module Audit
196/tcp dn6-smm-red DNSIX Session Mgt Module Audit Redir
197/tcp dls Directory Location Service
198/tcp dls-mon Directory Location Service Monitor
199/tcp smux SMUX
200/tcp src IBM System Resource Controller
201/tcp at-rtmp AppleTalk Routing Maintenance
202/tcp at-nbp AppleTalk Name Binding
203/tcp at-3 AppleTalk Unused
204/tcp at-echo AppleTalk Echo
205/tcp at-5 AppleTalk Unused
206/tcp at-zis AppleTalk Zone Information
207/tcp at-7 AppleTalk Unused
208/tcp at-8 AppleTalk Unused
209/tcp qmtp The Quick Mail Transfer Protocol
210/tcp z39.50 ANSI Z39.50
211/tcp 914c/g Texas Instruments 914C/G Terminal
212/tcp anet ATEXSSTR
214/tcp vmpwscs VM PWSCS
215/tcp softpc Insignia Solutions
216/tcp CAIlic Computer Associates Int‘l License Server
217/tcp dbase dBASE Unix
218/tcp mpp Netix Message Posting Protocol
219/tcp uarps Unisys ARPs
220/tcp imap3 Interactive Mail Access Protocol v3
221/tcp fln-spx Berkeley rlogind with SPX auth
222/tcp rsh-spx Berkeley rshd with SPX auth
223/tcp cdc Certificate Distribution Center
242/tcp direct Direct
243/tcp sur-meas Survey Measurement
244/tcp dayna Dayna
245/tcp link LINK
246/tcp dsp3270 Display Systems Protocol
247/tcp subntbcst_tftp SUBNTBCST_TFTP
248/tcp bhfhs bhfhs
256/tcp rap RAP
257/tcp set Secure Electronic Transaction
258/tcp yak-chat Yak Winsock Personal Chat
259/tcp esro-gen Efficient Short Remote Operations
260/tcp openport Openport
263/tcp hdap HDAP
264/tcp bgmp BGMP
280/tcp http-mgmt http-mgmt
309/tcp entrusttime EntrustTime
310/tcp bhmds bhmds
312/tcp vslmp VSLMP
315/tcp dpsi DPSI
316/tcp decauth decAuth
317/tcp zannet Zannet
321/tcp pip PIP
344/tcp pdap Prospero Data Access Protocol
345/tcp pawserv Perf Analysis Workbench
346/tcp zserv Zebra server
347/tcp fatserv Fatmen Server
348/tcp csi-sgwp Cabletron Management Protocol
349/tcp mftp mftp
351/tcp matip-type-b MATIP Type B
351/tcp bhoetty bhoetty (added 5/21/97)
353/tcp ndsauth NDSAUTH
354/tcp bh611 bh611
357/tcp bhevent bhevent
362/tcp srssend SRS Send
365/tcp dtk DTK
366/tcp odmr ODMR
368/tcp qbikgdp QbikGDP
371/tcp clearcase Clearcase
372/tcp ulistproc ListProcessor
373/tcp legent-1 Legent Corporation
374/tcp legent-2
374/tcp legent-2 Legent Corporation
375/tcp hassle Hassle
376/tcp nip Amiga Envoy Network Inquiry Proto
377/tcp tnETOS NEC Corporation
378/tcp dsETOS NEC Corporation
379/tcp is99c TIA/EIA/IS-99 modem client
380/tcp is99s TIA/EIA/IS-99 modem server
381/tcp hp-collector hp performance data collector
383/tcp hp-alarm-mgr hp performance data alarm manager
384/tcp arns A Remote Network Server System
385/tcp ibm-app IBM Application
386/tcp asa ASA Message Router Object Def.
387/tcp aurp Appletalk Update-Based Routing Pro.
388/tcp unidata-ldm Unidata LDM Version 4
389/tcp ldap Lightweight Directory Access Protocol
390/tcp uis UIS
391/tcp synotics-relay SynOptics SNMP Relay Port
393/tcp dis Data Interpretation System
394/tcp embl-ndt EMBL Nucleic Data Transfer
395/tcp netcp NETscout Control Protocol
396/tcp netware-ip Novell Netware over IP
397/tcp mptn Multi Protocol Trans. Net.
398/tcp kryptolan Kryptolan
399/tcp iso-tsap-c2 ISO Transport Class 2 Non-Control over TCP
400/tcp work-sol Workstation Solutions
401/tcp ups Uninterruptible Power Supply
402/tcp genie Genie Protocol
403/tcp decap decap
404/tcp nced nced
405/tcp ncld ncld
406/tcp imsp Interactive Mail Support Protocol
407/tcp timbuktu Timbuktu
408/tcp prm-sm Prospero Resource Manager Sys. Man.
409/tcp prm-nm Prospero Resource Manager Node Man.
410/tcp decladebug DECLadebug Remote Debug Protocol
411/tcp rmt Remote MT Protocol
412/tcp synoptics-trap Trap Convention Port
413/tcp smsp SMSP
414/tcp infoseek InfoSeek
415/tcp bnet BNet
416/tcp silverplatter Silverplatter
417/tcp onmux Onmux
418/tcp hyper-g Hyper-G
419/tcp ariel1 Ariel
420/tcp smpte SMPTE
421/tcp ariel2 Ariel
422/tcp ariel3 Ariel
423/tcp opc-job-start IBM Operations Planning and Control Start
424/tcp opc-job-track IBM Operations Planning and Control Track
425/tcp icad-el ICAD
426/tcp smartsdp smartsdp
427/tcp svrloc Server Location
428/tcp ocs_cmu OCS_CMU
429/tcp ocs_amu OCS_AMU
430/tcp utmpsd UTMPSD
431/tcp utmpcd UTMPCD
432/tcp iasd IASD
433/tcp nnsp NNSP
434/tcp mobileip-agent MobileIP-Agent
435/tcp mobilip-mn MobilIP-MN
436/tcp dna-cml DNA-CML
437/tcp comscm comscm
438/tcp dsfgw dsfgw
439/tcp dasp dasp Thomas Obermair
440/tcp sgcp sgcp
441/tcp decvms-sysmgt decvms-sysmgt
442/tcp cvc_hostd cvc_hostd
443/tcp https http protocol over TLS/SSL
444/tcp snpp Simple Network Paging Protocol
445/tcp microsoft-ds Microsoft-DS
446/tcp ddm-rdb DDM-RDB
447/tcp ddm-dfm DDM-RFM
448/tcp ddm-ssl DDM-SSL
449/tcp as-servermap AS Server Mapper
450/tcp tserver TServer
451/tcp sfs-smp-net Cray Network Semaphore server
453/tcp creativeserver CreativeServer
454/tcp contentserver ContentServer
455/tcp creativepartnr CreativePartnr
456/tcp macon-tcp macon-tcp
457/tcp scohelp scohelp
458/tcp appleqtc apple quick time
459/tcp ampr-rcmd ampr-rcmd
460/tcp skronk skronk
461/tcp datasurfsrv DataRampSrv
462/tcp datasurfsrvsec DataRampSrvSec
463/tcp alpes alpes
464/tcp kpasswd kpasswd
465/tcp smtps smtp protocol over TLS/SSL (was ssmtp)
466/tcp digital-vrc digital-vrc
467/tcp mylex-mapd mylex-mapd
468/tcp photuris proturis
469/tcp rcp Radio Control Protocol
470/tcp scx-proxy scx-proxy
471/tcp mondex Mondex
472/tcp ljk-login ljk-login
473/tcp hybrid-pop hybrid-pop
474/tcp tn-tl-w1 tn-tl-w1
475/tcp tcpnethaspsrv tcpnethaspsrv
476/tcp tn-tl-fd1 tn-tl-fd1
477/tcp ss7ns ss7ns
478/tcp spsc spsc
479/tcp iafserver iafserver
480/tcp iafdbase iafdbase
481/tcp ph Ph service
482/tcp bgs-nsi bgs-nsi
483/tcp ulpnet ulpnet
484/tcp integra-sme Integra Software Management Environment
485/tcp powerburst Air Soft Power Burst
486/tcp avian avian
487/tcp saft saft Simple Asynchronous File Transfer
488/tcp gss-http gss-http
489/tcp nest-protocol nest-protocol
490/tcp micom-pfs micom-pfs
491/tcp Go-login go-login
492/tcp ticf-1 Transport Independent Convergence for FNA
493/tcp ticf-2 Transport Independent Convergence for FNA
494/tcp pov-ray POV-Ray
495/tcp intecourier intecourier
496/tcp pim-rp-disc PIM-RP-DISC
497/tcp dantz dantz
498/tcp siam siam
499/tcp iso-ill ISO ILL Protocol
500/tcp isakmp isakmp
501/tcp stmf STMF
502/tcp asa-appl-proto asa-appl-proto
503/tcp intrinsa Intrinsa
504/tcp citadel citadel
505/tcp mailbox-lm mailbox-lm
506/tcp ohimsrv ohimsrv
507/tcp crs crs
508/tcp xvttp xvttp
509/tcp snare snare
510/tcp fcp FirstClass Protocol
511/tcp passgo PassGo
512/tcp exec remote process execution;
513/tcp login remote login a la telnet;
514/tcp shell cmd
515/tcp printer spooler
516/tcp videotex videotex
517/tcp talk like tenex link, but across
518/tcp ntalk
519/tcp utime unixtime
520/tcp efs extended file name server
521/tcp ripng ripng
522/tcp ulp ULP
523/tcp ibm-db2 IBM-DB2
524/tcp ncp NCP
525/tcp timed timeserver
526/tcp tempo newdate
527/tcp stx Stock IXChange
528/tcp custix Customer IXChange
529/tcp irc-serv IRC-SERV
530/tcp courier rpc
531/tcp conference chat
532/tcp netnews readnews
533/tcp netwall for emergency broadcasts
534/tcp mm-admin MegaMedia Admin
535/tcp iiop iiop
536/tcp opalis-rdv opalis-rdv
537/tcp nmsp Networked Media Streaming Protocol
538/tcp gdomap gdomap
539/tcp apertus-ldp Apertus Technologies Load Determination
540/tcp uucp uucpd
541/tcp uucp-rlogin uucp-rlogin
542/tcp commerce commerce
543/tcp klogin
544/tcp kshell krcmd
545/tcp appleqtcsrvr appleqtcsrvr
546/tcp dhcpv6-client DHCPv6 Client
547/tcp dhcpv6-server DHCPv6 Server
548/tcp afpovertcp AFP over TCP
549/tcp idfp IDFP
550/tcp new-rwho new-who
551/tcp cybercash cybercash
552/tcp deviceshare deviceshare
553/tcp pirp pirp
554/tcp rtsp Real Time Stream Control Protocol
555/tcp dsf
556/tcp remotefs rfs server
557/tcp openvms-sysipc openvms-sysipc
558/tcp sdnskmp SDNSKMP
559/tcp teedtap TEEDTAP
560/tcp rmonitor rmonitord
561/tcp monitor
562/tcp chshell chcmd
563/tcp nntps nntp protocol over TLS/SSL (was snntp)
564/tcp 9pfs plan 9 file service
565/tcp whoami whoami
566/tcp streettalk streettalk
567/tcp banyan-rpc banyan-rpc
568/tcp ms-shuttle microsoft shuttle
569/tcp ms-rome microsoft rome
570/tcp meter demon
571/tcp meter udemon
572/tcp sonar sonar
573/tcp banyan-vip banyan-vip
574/tcp ftp-agent FTP Software Agent System
575/tcp vemmi VEMMI
576/tcp ipcd ipcd
577/tcp vnas vnas
578/tcp ipdd ipdd
579/tcp decbsrv decbsrv
581/tcp bdp Bundle Discovery Protocol
588/tcp cal CAL
589/tcp eyelink EyeLink
590/tcp tns-cml TNS CML
593/tcp http-rpc-epmap HTTP RPC Ep Map
594/tcp tpip TPIP
596/tcp smsd SMSD
599/tcp acp Aeolon Core Protocol
600/tcp ipcserver Sun IPC server
606/tcp urm Cray Unified Resource Manager
607/tcp nqs nqs
608/tcp sift-uft Sender-Initiated/Unsolicited File Transfer
609/tcp npmp-trap npmp-trap
610/tcp npmp-local npmp-local
611/tcp npmp-gui npmp-gui
613/tcp hmmp-op HMMP Operation
620/tcp sco-websrvrmgr SCO WebServer Manager
621/tcp escp-ip ESCP
625/tcp dec_dlm DEC DLM
626/tcp asia ASIA
628/tcp qmqp QMQP
630/tcp rda RDA
631/tcp ipp IPP (Internet Printing Protocol)
632/tcp bmpp bmpp
634/tcp ginad ginad
635/tcp rlzdbase RLZ DBase
636/tcp ldaps ldap protocol over TLS/SSL (was sldap)
637/tcp lanserver lanserver
639/tcp msdp MSDP
666/tcp doom doom Id Software
667/tcp disclose campaign contribution disclosures - SDR Technologies
668/tcp mecomm MeComm
669/tcp meregister MeRegister
670/tcp vacdsm-sws VACDSM-SWS
671/tcp vacdsm-app VACDSM-APP
672/tcp vpps-qua VPPS-QUA
673/tcp cimplex CIMPLEX
674/tcp acap ACAP
675/tcp dctp DCTP
704/tcp elcsd errlog copy/server daemon
705/tcp agentx AgentX
709/tcp entrust-kmsh Entrust Key Management Service Handler
710/tcp entrust-ash Entrust Administration Service Handler
729/tcp netviewdm1 IBM NetView DM/6000 Server/Client
730/tcp netviewdm2 IBM NetView DM/6000 send/tcp
731/tcp netviewdm3 IBM NetView DM/6000 receive/tcp
741/tcp netgw netGW
742/tcp netrcs Network based Rev. Cont. Sys.
744/tcp flexlm Flexible License Manager
747/tcp fujitsu-dev Fujitsu Device Control
748/tcp ris-cm Russell Info Sci Calendar Manager
749/tcp kerberos-adm kerberos administration
750/tcp rfile
751/tcp pump
752/tcp qrh
753/tcp rrh
754/tcp tell send
758/tcp nlogin
759/tcp con
760/tcp ns
761/tcp rxe
762/tcp quotad
763/tcp cycleserv
764/tcp omserv
765/tcp webster
769/tcp vid
770/tcp cadlock
771/tcp rtip
772/tcp cycleserv2
773/tcp submit
774/tcp rpasswd
776/tcp wpages
780/tcp wpgs
786/tcp concert Concert
787/tcp qsc QSC
801/tcp device
873/tcp rsync rsync
886/tcp iclcnet-locate ICL coNETion locate server
887/tcp iclcnet_svinfo ICL coNETion server info
888/tcp accessbuilder AccessBuilder
900/tcp omginitialrefs OMG Initial Refs
911/tcp xact-backup xact-backup
990/tcp ftps ftp protocol, control, over TLS/SSL
991/tcp nas Netnews Administration System
992/tcp telnets telnet protocol over TLS/SSL
993/tcp imaps imap4 protocol over TLS/SSL
994/tcp ircs irc protocol over TLS/SSL
995/tcp pop3s pop3 protocol over TLS/SSL (was spop3)
996/tcp vsinet vsinet
997/tcp maitrd
998/tcp busboy
999/tcp garcon
1000/tcp cadlock
1010/tcp surf surf
1023/tcp Reserved Reserved
1030/tcp iad1 BBN IAD
1031/tcp iad2 BBN IAD
1032/tcp iad3 BBN IAD
1047/tcp neod1 Sun‘s NEO Object Request Broker
1048/tcp neod2 Sun‘s NEO Object Request Broker
1058/tcp nim nim
1059/tcp nimreg nimreg
1067/tcp instl_boots Installation Bootstrap Proto. Serv.
1068/tcp instl_bootc Installation Bootstrap Proto. Cli.
1080/tcp socks Socks
1083/tcp ansoft-lm-1 Anasoft License Manager
1084/tcp ansoft-lm-2 Anasoft License Manager
1123/tcp murray Murray
1155/tcp nfa Network File Access
1212/tcp lupa lupa
1222/tcp nerv SNI R&D network
1239/tcp nmsd NMSD
1248/tcp hermes
1313/tcp bmc_patroldb BMC_PATROLDB
1314/tcp pdps Photoscript Distributed Printing System
1321/tcp pip PIP
1345/tcp vpjp VPJP
1346/tcp alta-ana-lm Alta Analytics License Manager
1347/tcp bbn-mmc multi media conferencing
1348/tcp bbn-mmx multi media conferencing
1349/tcp sbook Registration Network Protocol
1350/tcp editbench Registration Network Protocol
1352/tcp lotusnote Lotus Note
1353/tcp relief Relief Consulting
1354/tcp rightbrain RightBrain Software
1355/tcp intuitive-edge Intuitive Edge
1356/tcp cuillamartin CuillaMartin Company
1357/tcp pegboard Electronic PegBoard
1358/tcp connlcli CONNLCLI
1359/tcp ftsrv FTSRV
1360/tcp mimer MIMER
1361/tcp linx LinX
1362/tcp timeflies TimeFlies
1363/tcp ndm-requester Network DataMover Requester
1364/tcp ndm-server Network DataMover Server
1365/tcp adapt-sna Network Software Associates
1366/tcp netware-csp Novell NetWare Comm Service Platform
1367/tcp dcs DCS
1368/tcp screencast ScreenCast
1369/tcp gv-us GlobalView to Unix Shell
1370/tcp us-gv Unix Shell to GlobalView
1371/tcp fc-cli Fujitsu Config Protocol
1372/tcp fc-ser Fujitsu Config Protocol
1373/tcp chromagrafx Chromagrafx
1374/tcp molly EPI Software Systems
1375/tcp bytex Bytex
1376/tcp ibm-pps IBM Person to Person Software
1377/tcp cichlid Cichlid License Manager
1378/tcp elan Elan License Manager
1379/tcp dbreporter Integrity Solutions
1380/tcp telesis-licman Telesis Network License Manager
1381/tcp apple-licman Apple Network License Manager
1382/tcp udt_os
1383/tcp gwha GW Hannaway Network License Manager
1384/tcp os-licman Objective Solutions License Manager
1385/tcp atex_elmd Atex Publishing License Manager
1386/tcp checksum CheckSum License Manager
1387/tcp cadsi-lm Computer Aided Design Software Inc LM
1388/tcp objective-dbc Objective Solutions DataBase Cache
1389/tcp iclpv-dm Document Manager
1390/tcp iclpv-sc Storage Controller
1391/tcp iclpv-sas Storage Access Server
1392/tcp iclpv-pm Print Manager
1393/tcp iclpv-nls Network Log Server
1394/tcp iclpv-nlc Network Log Client
1395/tcp iclpv-wsm PC Workstation Manager software
1396/tcp dvl-activemail DVL Active Mail
1399/tcp cadkey-licman Cadkey License Manager
1400/tcp cadkey-tablet Cadkey Tablet Daemon
1402/tcp prm-sm-np Prospero Resource Manager
1403/tcp prm-nm-np Prospero Resource Manager
1404/tcp igi-lm Infinite Graphics License Manager
1405/tcp ibm-res IBM Remote Execution Starter
1406/tcp netlabs-lm NetLabs License Manager
1407/tcp dbsa-lm DBSA License Manager
1408/tcp sophia-lm Sophia License Manager
1409/tcp here-lm Here License Manager
1410/tcp hiq HiQ License Manager
1411/tcp af AudioFile
1412/tcp innosys InnoSys
1413/tcp innosys-acl Innosys-ACL
1414/tcp ibm-mqseries IBM MQSeries
1415/tcp dbstar DBStar
1416/tcp novell-lu6.2 Novell LU6.2
1417/tcp timbuktu-srv1 Timbuktu Service 1 Port
1418/tcp timbuktu-srv2 Timbuktu Service 2 Port
1419/tcp timbuktu-srv3 Timbuktu Service 3 Port
1420/tcp timbuktu-srv4 Timbuktu Service 4 Port
1421/tcp gandalf-lm Gandalf License Manager
1422/tcp autodesk-lm Autodesk License Manager
1423/tcp essbase Essbase Arbor Software
1424/tcp hybrid Hybrid Encryption Protocol
1425/tcp zion-lm Zion Software License Manager
1426/tcp sais Satellite-data Acquisition System 1
1427/tcp mloadd mloadd monitoring tool
1428/tcp informatik-lm Informatik License Manager
1429/tcp nms Hypercom NMS
1430/tcp tpdu Hypercom TPDU
1431/tcp rgtp Reverse Gossip Transport
1432/tcp blueberry-lm Blueberry Software License Manager
1433/tcp ms-sql-s Microsoft-SQL-Server
1434/tcp ms-sql-m Microsoft-SQL-Monitor
1435/tcp ibm-cics IBM CICS
1436/tcp saism Satellite-data Acquisition System 2
1437/tcp tabula Tabula
1438/tcp eicon-server Eicon Security Agent/Server
1439/tcp eicon-x25 Eicon X25/SNA Gateway
1440/tcp eicon-slp Eicon Service Location Protocol
1441/tcp cadis-1 Cadis License Management
1442/tcp cadis-2 Cadis License Management
1443/tcp ies-lm Integrated Engineering Software
1444/tcp marcam-lm Marcam License Management
1445/tcp proxima-lm Proxima License Manager
1446/tcp ora-lm Optical Research Associates License Manager
1447/tcp apri-lm Applied Parallel Research LM
1448/tcp oc-lm OpenConnect License Manager
1449/tcp peport PEport
1450/tcp dwf Tandem Distributed Workbench Facility
1451/tcp infoman IBM Information Management
1452/tcp gtegsc-lm GTE Government Systems License Man
1453/tcp genie-lm Genie License Manager
1454/tcp interhdl_elmd interHDL License Manager
1455/tcp esl-lm ESL License Manager
1456/tcp dca DCA
1457/tcp valisys-lm Valisys License Manager
1458/tcp nrcabq-lm Nichols Research Corp.
1459/tcp proshare1 Proshare Notebook Application
1460/tcp proshare2 Proshare Notebook Application
1461/tcp ibm_wrless_lan IBM Wireless LAN
1462/tcp world-lm World License Manager
1463/tcp nucleus Nucleus
1464/tcp msl_lmd MSL License Manager
1465/tcp pipes Pipes Platform
1466/tcp oceansoft-lm Ocean Software License Manager
1467/tcp csdmbase CSDMBASE
1468/tcp csdm CSDM
1469/tcp aal-lm Active Analysis Limited License Manager
1470/tcp uaiact Universal Analytics
1471/tcp csdmbase csdmbase
1472/tcp csdm csdm
1473/tcp openmath OpenMath
1474/tcp telefinder Telefinder
1475/tcp taligent-lm Taligent License Manager
1476/tcp clvm-cfg clvm-cfg
1477/tcp ms-sna-server ms-sna-server
1478/tcp ms-sna-base ms-sna-base
1479/tcp dberegister dberegister
1480/tcp pacerforum PacerForum
1481/tcp airs AIRS
1482/tcp miteksys-lm Miteksys License Manager
1483/tcp afs AFS License Manager
1484/tcp confluent Confluent License Manager
1485/tcp lansource LANSource
1486/tcp nms_topo_serv nms_topo_serv
1487/tcp localinfosrvr LocalInfoSrvr
1488/tcp docstor DocStor
1489/tcp dmdocbroker dmdocbroker
1490/tcp insitu-conf insitu-conf
1491/tcp anynetgateway anynetgateway
1492/tcp stone-design-1 stone-design-1
1493/tcp netmap_lm netmap_lm
1494/tcp ica ica
1495/tcp cvc cvc
1496/tcp liberty-lm liberty-lm
1497/tcp rfx-lm rfx-lm
1498/tcp sybase-sqlany Sybase SQL Any
1499/tcp fhc Federico Heinz Consultora
1500/tcp vlsi-lm VLSI License Manager
1501/tcp saiscm Satellite-data Acquisition System 3
1502/tcp shivadiscovery Shiva
1503/tcp imtc-mcs Databeam
1504/tcp evb-elm EVB Software Engineering License Manager
1505/tcp funkproxy Funk Software, Inc.
1506/tcp utcd Universal Time daemon (utcd)
1507/tcp symplex symplex
1508/tcp diagmond diagmond
1509/tcp robcad-lm Robcad, Ltd. License Manager
1510/tcp mvx-lm Midland Valley Exploration Ltd. Lic. Man.
1511/tcp 3l-l1 3l-l1
1512/tcp wins Microsoft‘s Windows Internet Name Service
1513/tcp fujitsu-dtc Fujitsu Systems Business of America, Inc
1514/tcp fujitsu-dtcns Fujitsu Systems Business of America, Inc
1515/tcp ifor-protocol ifor-protocol
1516/tcp vpad Virtual Places Audio data
1517/tcp vpac Virtual Places Audio control
1518/tcp vpvd Virtual Places Video data
1519/tcp vpvc Virtual Places Video control
1520/tcp atm-zip-office atm zip office
1521/tcp ncube-lm nCube License Manager
1522/tcp ricardo-lm Ricardo North America License Manager
1523/tcp cichild-lm cichild
1525/tcp orasrv oracle
1525/tcp prospero-np Prospero Directory Service non-priv
1526/tcp pdap-np Prospero Data Access Prot non-priv
1527/tcp tlisrv oracle
1528/tcp mciautoreg micautoreg
1529/tcp coauthor oracle
1530/tcp rap-service rap-service
1531/tcp rap-listen rap-listen
1532/tcp miroconnect miroconnect
1533/tcp virtual-places Virtual Places Software
1534/tcp micromuse-lm micromuse-lm
1535/tcp ampr-info ampr-info
1536/tcp ampr-inter ampr-inter
1537/tcp sdsc-lm isi-lm
1538/tcp 3ds-lm 3ds-lm
1539/tcp intellistor-lm Intellistor License Manager
1540/tcp rds rds
1541/tcp rds2 rds2
1542/tcp gridgen-elmd gridgen-elmd
1543/tcp simba-cs simba-cs
1544/tcp aspeclmd aspeclmd
1545/tcp vistium-share vistium-share
1546/tcp abbaccuray abbaccuray
1547/tcp laplink laplink
1548/tcp axon-lm Axon License Manager
1549/tcp shivahose Shiva Hose
1550/tcp 3m-image-lm Image Storage license manager 3M Company
1551/tcp hecmtl-db HECMTL-DB
1552/tcp pciarray pciarray
1553/tcp sna-cs sna-cs
1554/tcp caci-lm CACI Products Company License Manager
1555/tcp livelan livelan
1556/tcp ashwin AshWin CI Tecnologies
1557/tcp arbortext-lm ArborText License Manager
1558/tcp xingmpeg xingmpeg
1559/tcp web2host web2host
1560/tcp asci-val asci-val
1561/tcp facilityview facilityview
1562/tcp pconnectmgr pconnectmgr
1563/tcp cadabra-lm Cadabra License Manager
1564/tcp pay-per-view Pay-Per-View
1565/tcp winddlb WinDD
1566/tcp corelvideo CORELVIDEO
1567/tcp jlicelmd jlicelmd
1568/tcp tsspmap tsspmap
1569/tcp ets ets
1570/tcp orbixd orbixd
1571/tcp rdb-dbs-disp Oracle Remote Data Base
1572/tcp chip-lm Chipcom License Manager
1573/tcp itscomm-ns itscomm-ns
1574/tcp mvel-lm mvel-lm
1575/tcp oraclenames oraclenames
1576/tcp moldflow-lm moldflow-lm
1577/tcp hypercube-lm hypercube-lm
1578/tcp jacobus-lm Jacobus License Manager
1579/tcp ioc-sea-lm ioc-sea-lm
1580/tcp tn-tl-r1 tn-tl-r1
1581/tcp mil-2045-47001 MIL-2045-47001
1582/tcp msims MSIMS
1583/tcp simbaexpress simbaexpress
1584/tcp tn-tl-fd2 tn-tl-fd2
1585/tcp intv intv
1586/tcp ibm-abtact ibm-abtact
1587/tcp pra_elmd pra_elmd
1588/tcp triquest-lm triquest-lm
1589/tcp vqp VQP
1590/tcp gemini-lm gemini-lm
1591/tcp ncpm-pm ncpm-pm
1592/tcp commonspace commonspace
1593/tcp mainsoft-lm mainsoft-lm
1594/tcp sixtrak sixtrak
1595/tcp radio radio
1596/tcp radio-sm radio-sm
1597/tcp orbplus-iiop orbplus-iiop
1598/tcp picknfs picknfs
1599/tcp simbaservices simbaservices
1600/tcp issd
1601/tcp aas aas
1602/tcp inspect inspect
1603/tcp picodbc pickodbc
1604/tcp icabrowser icabrowser
1605/tcp slp Salutation Manager (Salutation Protocol)
1606/tcp slm-api Salutation Manager (SLM-API)
1607/tcp stt stt
1608/tcp smart-lm Smart Corp. License Manager
1609/tcp isysg-lm isysg-lm
1610/tcp taurus-wh taurus-wh
1611/tcp ill Inter Library Loan
1612/tcp netbill-trans NetBill Transaction Server
1613/tcp netbill-keyrep NetBill Key Repository
1614/tcp netbill-cred NetBill Credential Server
1615/tcp netbill-auth NetBill Authorization Server
1616/tcp netbill-prod NetBill Product Server
1617/tcp nimrod-agent Nimrod Inter-Agent Communication
1618/tcp skytelnet skytelnet
1619/tcp xs-openstorage xs-openstorage
1620/tcp faxportwinport faxportwinport
1621/tcp softdataphone softdataphone
1622/tcp ontime ontime
1623/tcp jaleosnd jaleosnd
1624/tcp udp-sr-port udp-sr-port
1625/tcp svs-omagent svs-omagent
1636/tcp cncp CableNet Control Protocol
1637/tcp cnap CableNet Admin Protocol
1638/tcp cnip CableNet Info Protocol
1639/tcp cert-initiator cert-initiator
1640/tcp cert-responder cert-responder
1641/tcp invision InVision
1642/tcp isis-am isis-am
1643/tcp isis-ambc isis-ambc
1645/tcp datametrics datametrics
1646/tcp sa-msg-port sa-msg-port
1647/tcp rsap rsap
1648/tcp concurrent-lm concurrent-lm
1649/tcp inspect inspect
1650/tcp nkd nkd
1651/tcp shiva_confsrvr shiva_confsrvr
1652/tcp xnmp xnmp
1653/tcp alphatech-lm alphatech-lm
1654/tcp stargatealerts stargatealerts
1655/tcp dec-mbadmin dec-mbadmin
1656/tcp dec-mbadmin-h dec-mbadmin-h
1657/tcp fujitsu-mmpdc fujitsu-mmpdc
1658/tcp sixnetudr sixnetudr
1659/tcp sg-lm Silicon Grail License Manager
1660/tcp skip-mc-gikreq skip-mc-gikreq
1661/tcp netview-aix-1 netview-aix-1
1662/tcp netview-aix-2 netview-aix-2
1663/tcp netview-aix-3 netview-aix-3
1664/tcp netview-aix-4 netview-aix-4
1665/tcp netview-aix-5 netview-aix-5
1666/tcp netview-aix-6 netview-aix-6
1667/tcp netview-aix-7 netview-aix-7
1668/tcp netview-aix-8 netview-aix-8
1669/tcp netview-aix-9 netview-aix-9
1670/tcp netview-aix-10 netview-aix-10
1671/tcp netview-aix-11 netview-aix-11
1672/tcp netview-aix-12 netview-aix-12
1673/tcp proshare-mc-1 Intel Proshare Multicast
1674/tcp proshare-mc-2 Intel Proshare Multicast
1675/tcp pdp Pacific Data Products
1676/tcp netcomm1 netcomm1
1677/tcp groupwise groupwise
1678/tcp prolink prolink
1679/tcp darcorp-lm darcorp-lm
1681/tcp sd-elmd sd-elmd
1682/tcp lanyon-lantern lanyon-lantern
1683/tcp ncpm-hip ncpm-hip
1684/tcp snaresecure SnareSecure
1685/tcp n2nremote n2nremote
1686/tcp cvmon cvmon
1687/tcp nsjtp-ctrl nsjtp-ctrl
1688/tcp nsjtp-data nsjtp-data
1689/tcp firefox firefox
1690/tcp ng-umds ng-umds
1691/tcp empire-empuma empire-empuma
1692/tcp sstsys-lm sstsys-lm
1693/tcp rrirtr rrirtr
1694/tcp rrimwm rrimwm
1695/tcp rrilwm rrilwm
1696/tcp rrifmm rrifmm
1697/tcp rrisat rrisat
1698/tcp rsvp-encap-1 RSVP-ENCAPSULATION-1
1699/tcp rsvp-encap-2 RSVP-ENCAPSULATION-2
1700/tcp mps-raft mps-raft
1701/tcp l2f,l2tp l2f,l2tp
1702/tcp deskshare deskshare
1703/tcp hb-engine hb-engine
1704/tcp bcs-broker bcs-broker
1705/tcp slingshot slingshot
1706/tcp jetform jetform
1707/tcp vdmplay vdmplay
1708/tcp gat-lmd gat-lmd
1709/tcp centra centra
1710/tcp impera impera
1711/tcp pptconference pptconference
1712/tcp registrar resource monitoring service
1713/tcp conferencetalk ConferenceTalk
1714/tcp sesi-lm sesi-lm
1715/tcp houdini-lm houdini-lm
1716/tcp xmsg xmsg
1717/tcp fj-hdnet fj-hdnet
1718/tcp h323gatedisc h323gatedisc
1719/tcp h323gatestat h323gatestat
1720/tcp h323hostcall h323hostcall
1721/tcp caicci caicci
1722/tcp hks-lm HKS License Manager
1723/tcp pptp pptp
1724/tcp csbphonemaster csbphonemaster
1725/tcp iden-ralp iden-ralp
1726/tcp iberiagames IBERIAGAMES
1727/tcp winddx winddx
1728/tcp telindus TELINDUS
1729/tcp citynl CityNL License Management
1730/tcp roketz roketz
1731/tcp msiccp MSICCP
1732/tcp proxim proxim
1733/tcp siipat SIMS - SIIPAT Protocol for Alarm Transmission
1734/tcp cambertx-lm Camber Corporation License Management
1735/tcp privatechat PrivateChat
1736/tcp street-stream street-stream
1737/tcp ultimad ultimad
1738/tcp gamegen1 GameGen1
1739/tcp webaccess webaccess
1740/tcp encore encore
1741/tcp cisco-net-mgmt cisco-net-mgmt
1742/tcp 3Com-nsd 3Com-nsd
1743/tcp cinegrfx-lm Cinema Graphics License Manager
1744/tcp ncpm-ft ncpm-ft
1745/tcp remote-winsock remote-winsock
1746/tcp ftrapid-1 ftrapid-1
1747/tcp ftrapid-2 ftrapid-2
1748/tcp oracle-em1 oracle-em1
1749/tcp aspen-services aspen-services
1750/tcp sslp Simple Socket Library‘s PortMaster
1751/tcp swiftnet SwiftNet
1752/tcp lofr-lm Leap of Faith Research License Manager
1753/tcp translogic-lm Translogic License Manager
1754/tcp oracle-em2 oracle-em2
1755/tcp ms-streaming ms-streaming
1756/tcp capfast-lmd capfast-lmd
1757/tcp cnhrp cnhrp
1758/tcp tftp-mcast tftp-mcast
1759/tcp spss-lm SPSS License Manager
1760/tcp www-ldap-gw www-ldap-gw
1761/tcp cft-0 cft-0
1762/tcp cft-1 cft-1
1763/tcp cft-2 cft-2
1764/tcp cft-3 cft-3
1765/tcp cft-4 cft-4
1766/tcp cft-5 cft-5
1767/tcp cft-6 cft-6
1768/tcp cft-7 cft-7
1769/tcp bmc-net-adm bmc-net-adm
1770/tcp bmc-net-svc bmc-net-svc
1771/tcp vaultbase vaultbase
1772/tcp essweb-gw EssWeb Gateway
1773/tcp kmscontrol KMSControl
1774/tcp global-dtserv global-dtserv
1776/tcp femis Federal Emergency Management Information System
1777/tcp powerguardian powerguardian
1779/tcp pharmasoft pharmasoft
1780/tcp dpkeyserv dpkeyserv
1781/tcp answersoft-lm answersoft-lm
1782/tcp hp-hcip hp-hcip
1783/tcp fjris Fujitsu Remote Install Service
1784/tcp finle-lm Finle License Manager
1785/tcp windlm Wind River Systems License Manager
1786/tcp funk-logger funk-logger
1787/tcp funk-license funk-license
1788/tcp psmond psmond
1789/tcp hello hello
1790/tcp nmsp Narrative Media Streaming Protocol
1791/tcp ea1 EA1
1792/tcp ibm-dt-2 ibm-dt-2
1793/tcp rsc-robot rsc-robot
1794/tcp cera-bcm cera-bcm
1795/tcp dpi-proxy dpi-proxy
1796/tcp vocaltec-admin Vocaltec Server Administration
1797/tcp uma UMA
1798/tcp etp Event Transfer Protocol
1799/tcp netrisk NETRISK
1801/tcp msmq Microsoft Message Que
1804/tcp enl ENL
1807/tcp fhsp Fujitsu Hot Standby Protocol
1812/tcp radius RADIUS
1813/tcp radius-acct RADIUS Accounting
1814/tcp tdp-suite TDP Suite
1815/tcp mmpft MMPFT
1816/tcp harp HARP
1818/tcp etftp Enhanced Trivial File Transfer Protocol
1819/tcp plato-lm Plato License Manager
1820/tcp mcagent mcagent
1821/tcp donnyworld donnyworld
1822/tcp es-elmd es-elmd
1823/tcp unisys-lm Unisys Natural Language License Manager
1824/tcp metrics-pas metrics-pas
1850/tcp gsi GSI
1863/tcp msnp MSNP
1865/tcp entp ENTP
1901/tcp fjicl-tep-a Fujitsu ICL Terminal Emulator Program A
1902/tcp fjicl-tep-b Fujitsu ICL Terminal Emulator Program B
1903/tcp linkname Local Link Name Resolution
1904/tcp fjicl-tep-c Fujitsu ICL Terminal Emulator Program C
1905/tcp sugp Secure UP.Link Gateway Protocol
1906/tcp tpmd TPortMapperReq
1908/tcp dawn Dawn
1911/tcp mtp Starlight Networks Multimedia Transport Protocol
1913/tcp armadp armadp
1914/tcp elm-momentum Elm-Momentum
1915/tcp facelink FACELINK
1916/tcp persona Persoft Persona
1917/tcp noagent nOAgent
1921/tcp noadmin NoAdmin
1944/tcp close-combat close-combat
1945/tcp dialogic-elmd dialogic-elmd
1946/tcp tekpls tekpls
1947/tcp hlserver hlserver
1948/tcp eye2eye eye2eye
1949/tcp ismaeasdaqlive ISMA Easdaq Live
1950/tcp ismaeasdaqtest ISMA Easdaq Test
1951/tcp bcs-lmserver bcs-lmserver
1973/tcp dlsrap Data Link Switching Remote Access Protocol
1985/tcp hsrp Hot Standby Router Protocol
1986/tcp licensedaemon cisco license management
1987/tcp tr-rsrb-p1 cisco RSRB Priority 1 port
1988/tcp tr-rsrb-p2 cisco RSRB Priority 2 port
1989/tcp tr-rsrb-p3 cisco RSRB Priority 3 port
1989/tcp mshnet MHSnet system
1990/tcp stun-p1 cisco STUN Priority 1 port
1991/tcp stun-p2 cisco STUN Priority 2 port
1992/tcp stun-p3 cisco STUN Priority 3 port
1992/tcp ipsendmsg IPsendmsg
1993/tcp snmp-tcp-port cisco SNMP TCP port
1994/tcp stun-port cisco serial tunnel port
1995/tcp perf-port cisco perf port
1996/tcp tr-rsrb-port cisco Remote SRB port
1997/tcp gdp-port cisco Gateway Discovery Protocol
1998/tcp x25-svc-port cisco X.25 service (XOT)
1999/tcp tcp-id-port cisco identification port
2000/tcp callbook
2001/tcp dc
2002/tcp globe
2004/tcp mailbox
2005/tcp berknet
2007/tcp dectalk
2012/tcp ttyinfo
2013/tcp raid-am
2014/tcp troff
2015/tcp cypress
2025/tcp ellpack
2030/tcp device2
2032/tcp blackboard
2033/tcp glogger
2035/tcp imsldoc
2040/tcp lam
2042/tcp isis isis
2044/tcp rimsl
2045/tcp cdfunc
2046/tcp sdfunc
2047/tcp dls
2049/tcp shilp
2049/tcp nfs Network File System - Sun Microsystems
2065/tcp dlsrpn Data Link Switch Read Port Number
2067/tcp dlswpn Data Link Switch Write Port Number
2090/tcp lrp Load Report Protocol
2091/tcp prp PRP
2102/tcp zephyr-srv Zephyr server
2103/tcp zephyr-clt Zephyr serv-hm connection
2104/tcp zephyr-hm Zephyr hostmanager
2105/tcp minipay MiniPay
2200/tcp ici ICI
2201/tcp ats Advanced Training System Program
2213/tcp kali Kali
2222/tcp unreg-ab2 Allen-Bradley unregistered port
2232/tcp ivs-video IVS Video default
2234/tcp directplay DirectPlay
2236/tcp nani Nani
2240/tcp recipe RECIPe
2241/tcp ivsd IVS Daemon
2242/tcp foliocorp Folio Remote Server
2279/tcp xmquery xmquery
2280/tcp lnvpoller LNVPOLLER
2281/tcp lnvconsole LNVCONSOLE
2282/tcp lnvalarm LNVALARM
2283/tcp lnvstatus LNVSTATUS
2284/tcp lnvmaps LNVMAPS
2285/tcp lnvmailmon LNVMAILMON
2286/tcp nas-metering NAS-Metering
2287/tcp dna DNA
2288/tcp netml NETML
2300/tcp cvmmon CVMMON
2307/tcp pehelp pehelp
2308/tcp sdhelp sdhelp
2313/tcp iapp IAPP (Inter Access Point Protocol)
2316/tcp sent-lm SENT License Manager
2321/tcp rdlap RDLAP over UDP
2322/tcp ofsd ofsd
2323/tcp 3d-nfsd 3d-nfsd
2326/tcp idcp IDCP
2327/tcp xingcsm xingcsm
2329/tcp nvd NVD
2330/tcp tscchat TSCCHAT
2333/tcp snapp SNAPP
2337/tcp ideesrv ideesrv
2344/tcp fcmsys fcmsys
2345/tcp dbm dbm
2356/tcp gxtelmd GXT License Managemant
2358/tcp futrix Futrix
2390/tcp rsmtp RSMTP
2396/tcp wusage Wusage
2397/tcp ncl NCL
2398/tcp orbiter Orbiter
2401/tcp cvspserver cvspserver
2407/tcp orion Orion
2412/tcp cdn CDN
2415/tcp comtest COMTEST
2418/tcp cas cas
2421/tcp g-talk G-Talk
2423/tcp rnrp RNRP
2427/tcp stgcp Simple telephony Gateway Control Protocol
2428/tcp ott One Way Trip Time
2429/tcp ft-role FT-ROLE
2430/tcp venus venus
2432/tcp codasrv codasrv
2436/tcp topx TOP/X
2438/tcp msp MSP
2443/tcp powerclientcsf PowerClient Central Storage Facility
2445/tcp dtn1 DTN1
2447/tcp ovwdb OpenView NNM daemon
2449/tcp ratl RATL
2451/tcp netchat netchat
2458/tcp griffin griffin
2500/tcp rtsserv Resource Tracking system server
2501/tcp rtsclient Resource Tracking system client
2528/tcp ncr_ccl NCR CCL
2529/tcp utsftp UTS FTP
2532/tcp ovtopmd OVTOPMD
2592/tcp netrek netrek
2628/tcp dict DICT
2634/tcp pk-electronics PK Electronics
2636/tcp solve Solve
2639/tcp aminet AMInet
2641/tcp hdl-srv HDL Server
2642/tcp tragic Tragic
2646/tcp and-lm AND Licence Manager
2653/tcp sonus Sonus
2655/tcp unglue UNIX Nt Glue
2656/tcp kana Kana
2700/tcp tqdata tqdata
2784/tcp www-dev world wide web - development
2785/tcp aic-np aic-np
2786/tcp aic-oncrpc aic-oncrpc - Destiny MCD database
2787/tcp piccolo piccolo - Cornerstone Software
2788/tcp fryeserv NetWare Loadable Module - Seagate Software
2789/tcp media-agent Media Agent
2908/tcp mao mao
2912/tcp epicon Epicon
2971/tcp netclip Net Clip
2974/tcp signal Signal
2975/tcp fjmpcm Fujitsu Configuration Management Service
3000/tcp hbci HBCI
3001/tcp redwood-broker Redwood Broker
3003/tcp cgms CGMS
3010/tcp gw Telerate Workstation
3012/tcp twsdss Trusted Web Client
3020/tcp cifs CIFS
3047/tcp hlserver Fast Security HL Server
3048/tcp pctrader Sierra Net PC Trader
3049/tcp nsws NSWS
3105/tcp cardbox Cardbox
3130/tcp icpv2 ICPv2
3141/tcp vmodem VMODEM
3143/tcp seaview Sea View
3147/tcp rfio RFIO
3264/tcp ccmail cc:mail/lotus
3266/tcp ns-cfg-server NS CFG Server
3267/tcp ibm-dial-out IBM Dial Out
3268/tcp msft-gc Microsoft Global Catalog
3273/tcp sxmp Simple Extensible Multiplexed Protocol
3275/tcp samd SAMD
3279/tcp admind admind
3281/tcp sysopt SYSOPT
3284/tcp 4talk 4Talk
3285/tcp plato Plato
3286/tcp e-net E-Net
3288/tcp cops COPS
3289/tcp enpc ENPC
3290/tcp caps-lm CAPS LOGISTICS TOOLKIT - LM
3291/tcp sah-lm S A Holditch & Associates - LM
3293/tcp fg-fps fg-fps
3294/tcp fg-gip fg-gip
3296/tcp rib-slm Rib License Manager
3299/tcp pdrncs pdrncs
3304/tcp opsession-srvr OP Session Server
3306/tcp MySQL MySQL
3309/tcp tns-adv TNS ADV
3313/tcp uorb Unify Object Broker
3314/tcp uohost Unify Object Host
3315/tcp cdid CDID
3318/tcp ssrip Swith to Swith Routing Information Protocol
3319/tcp sdt-lmd SDT License Manager
3321/tcp vnsstr VNSSTR
3326/tcp sftu SFTU
3327/tcp bbars BBARS
3328/tcp egptlm Eaglepoint License Manager
3329/tcp hp-device-disc HP Device Disc
3330/tcp mcs-calypsoicf MCS Calypso ICF
3333/tcp dec-notes DEC Notes
3338/tcp anet-b OMF data b
3339/tcp anet-l OMF data l
3340/tcp anet-m OMF data m
3341/tcp anet-h OMF data h
3342/tcp webtie WebTIE
3351/tcp btrieve BTRIEVE
3352/tcp ssql SSQL
3353/tcp fatpipe FATPIPE
3354/tcp suitjd SUITJD
3362/tcp dj-ilm DJ ILM
3372/tcp tip2 TIP 2
3378/tcp wsicopy WSICOPY
3379/tcp socorfs SOCORFS
3381/tcp geneous Geneous
3383/tcp esp-lm Enterprise Software Products License Manager
3390/tcp dsc Distributed Service Coordinator
3391/tcp savant SAVANT
3392/tcp efi-lm EFI License Management
3395/tcp dyna-lm Dyna License Manager (Elam)
3421/tcp bmap Bull Apprise portmapper
3455/tcp prsvp RSVP Port
3456/tcp vat VAT default data
3457/tcp vat-control VAT default control
3900/tcp udt_os Unidata UDT OS
3984/tcp mapper-nodemgr MAPPER network node manager
3985/tcp mapper-mapethd MAPPER TCP/IP server
3986/tcp mapper-ws_ethd MAPPER workstation server
4001/tcp newoak NewOak
4008/tcp netcheque NetCheque accounting
4096/tcp bre BRE (Bridge Relay Element)
4132/tcp nuts_dem NUTS Daemon
4133/tcp nuts_bootp NUTS Bootp Server
4143/tcp oidsr Document Replication
4321/tcp rwhois Remote Who Is
4343/tcp unicall UNICALL
4346/tcp elanlm ELAN LM
4348/tcp itose ITOSE
4444/tcp krb524 KRB524
4444/tcp nv-video NV Video default
4446/tcp n1-fwp N1-FWP
4449/tcp privatewire PrivateWire
4450/tcp camp Camp
4451/tcp ctisystemmsg CTI System Msg
4452/tcp ctiprogramload CTI Program Load
4500/tcp sae-urn sae-urn
4501/tcp urn-x-cdchoice urn-x-cdchoice
4546/tcp sf-lm SF License Manager (Sentinel)
4672/tcp rfa remote file access server
4800/tcp iims Icona Instant Messenging System
4801/tcp iwec Icona Web Embedded Chat
4802/tcp ilss Icona License System Server
4827/tcp htcp HTCP
4868/tcp phrelay Photon Relay
4885/tcp abbs ABBS
5002/tcp rfe radio free ethernet
5003/tcp fmpro-internal FileMaker, Inc. - Proprietary transport
5004/tcp avt-profile-1 avt-profile-1
5005/tcp avt-profile-2 avt-profile-2
5010/tcp telelpathstart TelepathStart
5020/tcp zenginkyo-1 zenginkyo-1
5021/tcp zenginkyo-2 zenginkyo-2
5050/tcp mmcc multimedia conference control tool
5060/tcp sip SIP
5150/tcp atmp Ascend Tunnel Management Protocol
5190/tcp aol America-Online
5191/tcp aol-1 AmericaOnline1
5192/tcp aol-2 AmericaOnline2
5193/tcp aol-3 AmericaOnline3
5272/tcp pk PK
5300/tcp hacl-hb # HA cluster heartbeat
5301/tcp hacl-gs # HA cluster general services
5304/tcp hacl-local # HA Cluster Commands
5305/tcp hacl-test # HA Cluster Test
5307/tcp sco-aip SCO AIP
5310/tcp outlaws Outlaws
5311/tcp tmlogin TM Login
5400/tcp excerpt Excerpt Search
5402/tcp mftp MFTP
5404/tcp hpoms-dps-lstn HPOMS-DPS-LSTN
5407/tcp foresyte-clear Foresyte-Clear
5409/tcp salient-dtasrv Salient Data Server
5410/tcp salient-usrmgr Salient User Manager
5411/tcp actnet ActNet
5414/tcp statusd StatusD
5418/tcp mcntp MCNTP
5419/tcp dj-ice DJ-ICE
5500/tcp fcp-addr-srvr1 fcp-addr-srvr1
5501/tcp fcp-addr-srvr2 fcp-addr-srvr2
5502/tcp fcp-srvr-inst1 fcp-srvr-inst1
5503/tcp fcp-srvr-inst2 fcp-srvr-inst2
5504/tcp fcp-cics-gw1 fcp-cics-gw1
5555/tcp personal-agent Personal Agent
5602/tcp a1-msc A1-MSC
5603/tcp a1-bs A1-BS
5631/tcp pcanywheredata pcANYWHEREdata
5632/tcp pcanywherestat pcANYWHEREstat
5678/tcp rrac Remote Replication Agent Connection
5679/tcp dccm Direct Cable Connect Manager
5713/tcp proshareaudio proshare conf audio
5714/tcp prosharevideo proshare conf video
5715/tcp prosharedata proshare conf data
5717/tcp prosharenotify proshare conf notify
5729/tcp openmail Openmail User Agent Layer
5741/tcp ida-discover1 IDA Discover Port 1
5742/tcp ida-discover2 IDA Discover Port 2
5745/tcp fcopy-server fcopy-server
5746/tcp fcopys-server fcopys-server
5755/tcp openmailg OpenMail Desk Gateway server
5757/tcp x500ms OpenMail X.500 Directory Server
5766/tcp openmailns OpenMail NewMail Server
5767/tcp s-openmail OpenMail Suer Agent Layer (Secure)
6000/tcp x11 X Window System
6110/tcp softcm HP SoftBench CM
6111/tcp spc HP SoftBench Sub-Process Control
6112/tcp dtspcd dtspcd
6123/tcp backup-express Backup Express
6141/tcp meta-corp Meta Corporation License Manager
6142/tcp aspentec-lm Aspen Technology License Manager
6143/tcp watershed-lm Watershed License Manager
6144/tcp statsci1-lm StatSci License Manager - 1
6145/tcp statsci2-lm StatSci License Manager - 2
6146/tcp lonewolf-lm Lone Wolf Systems License Manager
6147/tcp montage-lm Montage License Manager
6148/tcp ricardo-lm Ricardo North America License Manager
6149/tcp tal-pod tal-pod
6253/tcp crip CRIP
6389/tcp clariion-evr01 clariion-evr01
6500/tcp boks BoKS Master
6558/tcp xdsxdm
6665/tcp ircu IRCU
6670/tcp vocaltec-gold Vocaltec Global Online Directory
6672/tcp vision_server vision_server
6673/tcp vision_elmd vision_elmd
6790/tcp hnmp HNMP
6831/tcp ambit-lm ambit-lm
6969/tcp acmsoda acmsoda
7010/tcp ups-onlinet onlinet uninterruptable power supplies
7020/tcp dpserve DP Serve
7070/tcp arcp ARCP
7099/tcp lazy-ptop lazy-ptop
7100/tcp font-service X Font Service
7121/tcp virprot-lm Virtual Prototypes License Manager
7174/tcp clutild Clutild
7200/tcp fodms FODMS FLIP
7201/tcp dlip DLIP
7395/tcp winqedit winqedit
7426/tcp pmdmgr OpenView DM Postmaster Manager
7430/tcp xmpv7 OpenView DM xmpv7 api pipe
7431/tcp pmd OpenView DM ovc/xmpv3 api pipe
7491/tcp telops-lmd telops-lmd
7511/tcp pafec-lm pafec-lm
7544/tcp nta-ds FlowAnalyzer DisplayServer
7545/tcp nta-us FlowAnalyzer UtilityServer
7588/tcp sun-lm Sun License Manager
7777/tcp cbt cbt
7781/tcp accu-lmgr accu-lmgr
7932/tcp t2-drm Tier 2 Data Resource Manager
7933/tcp t2-brm Tier 2 Business Rules Manager
7999/tcp irdmi2 iRDMI2
8000/tcp irdmi iRDMI
8032/tcp pro-ed ProEd
8400/tcp cvd cvd
8401/tcp sabarsd sabarsd
8402/tcp abarsd abarsd
8403/tcp admind admind
8450/tcp npmp npmp
8473/tcp vp2p Vitual Point to Point
8888/tcp ddi-tcp-1 NewsEDGE server TCP (TCP 1)
8889/tcp ddi-tcp-2 Desktop Data TCP 1
8890/tcp ddi-tcp-3 Desktop Data TCP 2
8891/tcp ddi-tcp-4 Desktop Data TCP 3: NESS application
8892/tcp ddi-tcp-5 Desktop Data TCP 4: FARM product
8893/tcp ddi-tcp-6 Desktop Data TCP 5: NewsEDGE/Web application
8894/tcp ddi-tcp-7 Desktop Data TCP 6: COAL application
9000/tcp cslistener CSlistener
9006/tcp sctp SCTP
9090/tcp websm WebSM
9535/tcp man
9594/tcp msgsys Message System
9595/tcp pds Ping Discovery Service
9876/tcp sd Session Director
9992/tcp palace Palace
9993/tcp palace Palace
9994/tcp palace Palace
9995/tcp palace Palace
9996/tcp palace Palace
9997/tcp palace Palace
9998/tcp distinct32 Distinct32
9999/tcp distinct distinct
10000/tcp ndmp Network Data Management Protocol
11000/tcp irisa IRISA
11001/tcp metasys Metasys
12753/tcp tsaf tsaf port
13160/tcp i-zipqd I-ZIPQD
13720/tcp bprd BPRD Protocol (VERITAS NetBackup)
13721/tcp bpbrm BPBRM Protocol (VERITAS NetBackup)
13782/tcp bpcd VERITAS NetBackup
17219/tcp chipper Chipper
18000/tcp biimenu Beckman Instruments, Inc.
19410/tcp hp-sco hp-sco
19411/tcp hp-sca hp-sca
19541/tcp jcp JCP Client
21845/tcp webphone webphone
21846/tcp netspeak-is NetSpeak Corp. Directory Services
21847/tcp netspeak-cs NetSpeak Corp. Connection Services
21848/tcp netspeak-acd NetSpeak Corp. Automatic Call Distribution
21849/tcp netspeak-cps NetSpeak Corp. Credit Processing System
22273/tcp wnn6 wnn6
22555/tcp vocaltec-wconf Vocaltec Web Conference
22800/tcp aws-brf Telerate Information Platform LAN
22951/tcp brf-gw Telerate Information Platform WAN
24000/tcp med-ltp med-ltp
24004/tcp med-ovw med-ovw
24005/tcp med-ci med-ci
25000/tcp icl-twobase1 icl-twobase1
25001/tcp icl-twobase2 icl-twobase2
25002/tcp icl-twobase3 icl-twobase3
25003/tcp icl-twobase4 icl-twobase4
25004/tcp icl-twobase5 icl-twobase5
25005/tcp icl-twobase6 icl-twobase6
25006/tcp icl-twobase7 icl-twobase7
25007/tcp icl-twobase8 icl-twobase8
25008/tcp icl-twobase9 icl-twobase9
25009/tcp icl-twobase10 icl-twobase10
25793/tcp vocaltec-hos Vocaltec Address Server
26000/tcp quake quake
26208/tcp wnn6-ds wnn6-ds
45678/tcp eba EBA PRISE
47557/tcp dbbrowse Databeam Corporation
47806/tcp ap ALC Protocol
47808/tcp bacnet Building Automation and Control Networks
0 通常用于分析操作系统。这一方法能够工作是因为在一些系统中“0”是无效端口,当你试图使用一种通常的闭合端口连接它时将产生不同的结果。一种典型的扫描:使用IP地址为0.0.0.0,设置ACK位并在以太网层广播。
1 tcpmux TCP Port Service Multiplexer 传输控制协议端口服务多路开关选择器
2 compressnet Management Utility compressnet 管理实用程序
3 compressnet Compression Process 压缩进程
5 rje Remote Job Entry 远程作业登录
7 echo Echo 回显
9 discard Discard 丢弃
11 systat Active Users 在线用户
13 daytime Daytime 时间
17 qotd Quote of the Day 每日引用
18 msp Message Send Protocol 消息发送协议
19 chargen Character Generator 字符发生器
20 ftp-data File Transfer[Default Data] 文件传输协议(默认数据口)
21 ftp File Transfer[Control] 文件传输协议(控制)
22 ssh SSH Remote Login Protocol SSH远程登录协议
23 telnet Telnet 终端仿真协议
24 any private mail system 预留给个人用邮件系统
25 smtp Simple Mail Transfer 简单邮件发送协议
27 nsw-fe NSW User System FE NSW 用户系统现场工程师
29 msg-icp MSG ICP MSG ICP
31 msg-auth MSG Authentication MSG验证
33 dsp Display Support Protocol 显示支持协议
35 any private printer server 预留给个人打印机服务
37 time Time 时间
38 rap Route Access Protocol 路由访问协议
39 rlp Resource Location Protocol 资源定位协议
41 graphics Graphics 图形
42 nameserver WINS Host Name Server WINS 主机名服务
43 nicname Who Is "绰号" who is服务
44 mpm-flags MPM FLAGS Protocol MPM(消息处理模块)标志协议
45 mpm Message Processing Module [recv] 消息处理模块
46 mpm-snd MPM [default send] 消息处理模块(默认发送口)
47 ni-ftp NI FTP NI FTP
48 auditd Digital Audit Daemon 数码音频后台服务49 tacacs Login Host Protocol (TACACS) TACACS登录主机协议50 re-mail-ck Remote Mail Checking Protocol 远程邮件检查协议[未结束]
51 la-maint IMP Logical Address Maintenance IMP(接口信息处理机)逻辑地址维护
52 xns-time XNS Time Protocol 施乐网络服务系统时间协议
53 domain Domain Name Server 域名服务器
54 xns-ch XNS Clearinghouse 施乐网络服务系统票据交换 55 isi-gl ISI Graphics Language ISI图形语言
56 xns-auth XNS Authentication 施乐网络服务系统验证
57 ? any private terminal access 预留个人用终端访问
58 xns-mail XNS Mail 施乐网络服务系统邮件
59 any private file service 预留个人文件服务
60 Unassigned 未定义
61 ni-mail NI MAIL NI邮件?
62 acas ACA Services 异步通讯适配器服务
63 whois+ whois+ WHOIS+
64 covia Communications Integrator (CI) 通讯接口
65 tacacs-ds TACACS-Database Service TACACS数据库服务
66 sql*net Oracle SQL*NET Oracle SQL*NET
67 bootps Bootstrap Protocol Server 引导程序协议服务端
68 bootpc Bootstrap Protocol Client 引导程序协议客户端
69 tftp Trivial File Transfer 小型文件传输协议
70 gopher Gopher 信息检索协议
71 netrjs-1 Remote Job Service 远程作业服务
72 netrjs-2 Remote Job Service 远程作业服务
73 netrjs-3 Remote Job Service 远程作业服务
74 netrjs-4 Remote Job Service 远程作业服务
75 any private dial out service 预留给个人拨出服务
76 deos Distributed External Object Store 分布式外部对象存储
77 any private RJE service 预留给个人远程作业输入服务
78 vettcp vettcp 修正TCP?
79 finger Finger 查询远程主机在线用户等信息
80 http World Wide Web HTTP 全球信息网超文本传输协议 81 hosts2-ns HOSTS2 Name Server HOST2名称服务
82 xfer XFER Utility 传输实用程序
83 mit-ml-dev MIT ML Device 模块化智能终端ML设备
84 ctf Common Trace Facility 公用追踪设备
85 mit-ml-dev MIT ML Device 模块化智能终端ML设备
86 mfcobol Micro Focus Cobol Micro Focus Cobol编程语言
87 any private terminal link 预留给个人终端连接
88 kerberos Kerberos Kerberros安全认证系统
89 su-mit-tg SU/MIT Telnet Gateway SU/MIT终端仿真网关
90 dnsix DNSIX Securit Attribute Token Map DNSIX 安全属性标记图91 mit-dov MIT Dover Spooler MIT Dover假脱机
92 npp Network Printing Protocol 网络打印协议
93 dcp Device Control Protocol 设备控制协议
94 objcall Tivoli Object Dispatcher Tivoli对象调度
95 supdup SUPDUP
96 dixie DIXIE Protocol Specification DIXIE协议规范
97 swift-rvf(Swift Remote Virtural File Protocol)快速远程虚拟文件协议98 tacnews TAC News TAC新闻协议
限制端口防非法入侵
一般来说,我们采用一些功能强大的反黑软件和防火墙来保证我们的系统安全,本文拟用一种简易的办法——通过限制端口来帮助大家防止非法入侵。
非法入侵的方式
简单说来,非法入侵的方式可粗略分为4种:
1、扫描端口,通过已知的系统Bug攻入主机。
2、种植木马,利用木马开辟的后门进入主机。
3、采用数据溢出的手段,迫使主机提供后门进入主机。
4、利用某些软件设计的漏洞,直接或间接控制主机。
非法入侵的主要方式是前两种,尤其是利用一些流行的黑客工具,通过第一种方式攻击主机的情况最多、也最普遍;而对后两种方式来说,只有一些手段高超的黑客才利用,波及面并不广泛,而且只要这两种问题一出现,软件服务商很快就会提供补丁,及时修复系统。 因此,如果能限制前两种非法入侵方式,就能有效防止利用黑客工具的非法入侵。而且前两种非法入侵方式有一个共同点,就是通过端口进入主机。 端口就像一所房子(服务器)的几个门一样,不同的门通向不同的房间(服务器提供的不同服务)。我们常用的FTP默认端口为21,而WWW网页一般默认端 口是80。但是有些马虎的网络管理员常常打开一些容易被侵入的端口服务,比如139等;还有一些木马程序,比如冰河、BO、广外等都是自动开辟一个您不察 觉的端口。那么,只要我们把自己用不到的端口全部封锁起来,不就杜绝了这两种非法入侵吗?
限制端口的方法
对于个人用户来说,您可以限制所有的端口,因为您根本不必让您的机器对外提供任何服务;而对于对外提供网络服务的服务器,我们需把必须利用的端口(比如WWW端口80、FTP端口21、邮件服务端口25、110等)开放,其他的端口则全部关闭。 这里,对于采用Windows 2000或者Windows XP的用户来说,不需要安装任何其他软件,可以利用“TCP/IP筛选”功能限制服务器的端口。具体设置如下: 1、右键点击“网上邻居”,选择“属性”,然后双击“本地连接”(如果是拨号上网用户,选择“我的连接”图标),弹出“本地连接状态”对话框。 2、点击[属性]按钮,弹出“本地连接 属性”,选择“此连接使用下列项目”中的“Internet协议(TCP/IP)”,然后点击[属性]按钮。 3、在弹出的“Internet协议(TCP/IP)”对话框中点击[高级]按钮。在弹出的“高级TCP/IP 设置”中,选择“选项”标签,选中“TCP/IP筛选”,然后点击[属性]按钮。 4、在弹出的“TCP/IP筛选”对话框里选择“启用TCP/IP筛选”的复选框,然后把左边“TCP端口”上的“只允许”选上。每一项服务都对应相应的端口,比如众如周知的WWW服务的端口是80,smtp是25,ftp是21,win2000安装中默认的都是这些服务开启的。对于个人用户来说确实没有必要,关掉端口也就是关闭无用的服务。
“控制面板”的“管理工具”中的“服务”中来配置。1、关闭7.9等等端口:关闭Simple TCP/IP Service,支持以下TCP/IP服务:Character Generator,Daytime, Discard, Echo, 以及 Quote of the Day。2、关闭80口:关掉WWW服务。在“服务”中显示名称为"World Wide Web Publishing Service",通过 Internet 信息服务的管理单元提供 Web 连接和管理。3、关掉25端口:关闭Simple Mail Transport Protocol (SMTP)服务,它提供的功能是跨网传送电子邮件。4、关掉21端口:关闭FTP Publishing Service,它提供的服务是通过 Internet 信息服务的管理单元提供 FTP 连接和管理。5、关掉23端口:关闭Telnet服务,它允许远程用户登录到系统并且使用命令行运行控制台程序。6、还有一个很重要的就是关闭server服务,此服务提供RPC支持、文件、打印以及命名管道共享。关掉它就关掉了win2k的默认共享,比如ipc$、c$、admin$等等,此服务关闭不影响您的其他操作。7、还有一个就是139端口,139端口是NetBIOS Session端口,用来文件和打印共享,注意的是运行samba的unix机器也开放了139端口,功能一样。以前流光2000用来判断对方主机类型不太准确,估计就是139端口开放既认为是NT机,现在好了。关闭139口听方法是在“网络和拨号连接”中“本地连接”中选取“Internet协议(TCP/IP)”属性,进入“高级TCP/IP设置”“WINS设置”里面有一项“禁用TCP/IP的NETBIOS”,打勾就关闭了139端口。对于个人用户来说,可以在各项服务属性设置中设为“禁用”,以免下次重启服务也重新启动,端口也开放了。
谨防黑客通过“端口扫描”进行攻击
黑客的探测方式里除了侦察IP,还有一项——端口扫描。通过“端口扫描”可以知道被扫描的计算机哪些服务、端口是打开而没有被使用的(可以理解为寻找通往计算机的通道)。 一、端口扫描 网上很容易找到远程端口扫描的工具,如Superscan、IP Scanner、Fluxay(流光)等( 如图1),这就是用“流光”对试验主机192.168.1.8进行端口扫描后的结果。从中我们可以清楚地了解,该主机的哪些非常用端口是打开的;是否支持FTP、Web服务;且FTP服务是否支持“匿名”,以及IIS版本,是否有可以被成功攻破的IIS漏洞也显示出来。 二、阻止端口扫描 防范端口扫描的方法有两个: 1.关闭闲置和有潜在危险的端口 这个方法有些“死板”,它的本质是——将所有用户需要用到的正常计算机端口外的其他端口都关闭掉。因为就黑客而言,所有的端口都可能成为攻击的目标。换 句话说“计算机的所有对外通讯的端口都存在潜在的危险”,而一些系统必要的通讯端口,如访问网页需要的HTTP(80端口);QQ(4000端口)等不能 被关闭。 在Windows NT核心系统(Windows 2000/XP/ 2003)中要关闭掉一些闲置端口是比较方便的,可以采用“定向关闭指定服务的端口”和“只开放允许端口的方式”。计算机的一些网络服务会有系统分配默认 的端口,将一些闲置的服务关闭掉,其对应的端口也会被关闭了(如图2)。进入“控制面板”、“管理工具”、“服务”项内,关闭掉计算机的一些没有使用的服 务(如FTP服务、DNS服务、IIS Admin服务等等),它们对应的端口也被停用了。至于“只开放允许端口的方式”,可以利用系统的“TCP/IP筛选”功能实现,设置的时候,“只允许” 系统的一些基本网络通讯需要的端口即可。 2.检查各端口,有端口扫描的症状时,立即屏蔽该端口 这种预防端口扫描的方式显然用户自己手工是不可能完成的,或者说完成起来相当困难,需要借助软件。这些软件就是我们常用的网络防火墙。 防火墙的工作原理是:首先检查每个到达你的电脑的数据包,在这个包被你机上运行的任何软件看到之前,防火墙有完全的否决权,可以禁止你的电脑接收 Internet上的任何东西。当第一个请求建立连接的包被你的电脑回应后,一个“TCP/IP端口”被打开;端口扫描时,对方计算机不断和本地计算机建 立连接,并逐渐打开各个服务所对应的“TCP/IP端口”及闲置端口,防火墙经过自带的拦截规则判断,就能够知道对方是否正进行端口扫描,并拦截掉对方发 送过来的所有扫描需要的数据包。 现在市面上几乎所有网络防火墙都能够抵御端口扫描,在默认安装后,应该检查一些防火墙所拦截的端口扫描规则是否被选中,否则它会放行端口扫描,而只是在日志中留下信息而已。