以下是默認用途的端口，當然也是可以更改的
1 傳輸控制協議端口服務多路開關選擇器
2 compressnet 管理實用程序
3 壓縮進程
5 遠程作業登錄
7 回顯(Echo)
9 丟棄
11 在線用戶
12 我的測試端口
13 時間
15 netstat
17 每日引用
18 消息發送協議
19 字符發生器
20 文件傳輸協議(默認數據口)
21 文件傳輸協議(控制)
22 SSH遠程登錄協議
23 telnet 終端仿真協議
24 預留給個人用郵件系統
25 smtp 簡單郵件發送協議
27 NSW 用戶系統現場工程師
29 MSG ICP
31 MSG驗證
33 顯示支持協議
35 預留給個人打印機服務
37 時間
38 路由訪問協議
39 資源定位協議
41 圖形
42 WINS 主機名服務
43 "綽號" who is服務
44 MPM(消息處理模塊)標誌協議
45 消息處理模塊
46 消息處理模塊(默認發送口)
47 NI FTP
48 數碼音頻後臺服務
49 TACACS登錄主機協議
50 遠程郵件檢查協議
51 IMP(接口信息處理機)邏輯地址維
52 施樂網絡服務系統時間協議
53 域名服務器
54 施樂網絡服務系統票據交換
55 ISI圖形語言
56 施樂網絡服務系統驗證
57 預留個人用終端訪問
58 施樂網絡服務系統郵件
59 預留個人文件服務
60 未定義
61 NI郵件?
62 異步通訊適配器服務
63 WHOIS+
64 通訊接口
65 TACACS數據庫服務
66 Oracle SQL*NET
67 引導程序協議服務端
68 引導程序協議客戶端
69 小型文件傳輸協議
70 信息檢索協議
71 遠程作業服務
72 遠程作業服務
73 遠程作業服務
74 遠程作業服務
75 預留給個人撥出服務
76 分布式外部對象存儲
77 預留給個人遠程作業輸入服務
78 修正TCP
79 Finger(查詢遠程主機在線用戶等信息)
80 全球信息網超文本傳輸協議(www)
81 HOST2名稱服務
82 傳輸實用程序
83 模塊化智能終端ML設備
84 公用追蹤設備
85 模塊化智能終端ML設備
86 Micro Focus Cobol編程語言
87 預留給個人終端連接
88 Kerberros安全認證系統
89 SU/MIT終端仿真網關
90 DNSIX 安全屬性標記圖
91 MIT Dover假脫機
92 網絡打印協議
93 設備控制協議
94 Tivoli對象調度
95 SUPDUP
96 DIXIE協議規範
97 快速遠程虛擬文件協議
98 TAC(東京大學自動計算機)新聞協議
99 Telnet服務,開99端口 (Troj.open99)
101 usually from sri-nic
102 iso-tsap
103 gppitnp
104 acr-nema
105 csnet-ns
106 3com-tsmux
107 rtelnet
108 snagas
109 Post Office
110 Pop3 服務器(郵箱發送服務器)
111 sunrpc
112 mcidas
113 身份查詢
114 audionews
115 sftp
116 ansanotify
117 path 或 uucp-path
118 sqlserv
119 新聞服務器
120 cfdptkt
121 BO jammerkillah
123 network
124 ansatrader
125 locus-map
126 unitary
127 locus-con
128 gss-xlicen
129 pwdgen
130 cisco-fna
131 cisco-tna
132 cisco-sys
133 statsrv
134 ingres-net
135 查詢服務 DNS
136 profile PROFILE Naming System
137 NetBIOS 數據報(UDP)
138 NetBios-DGN
139 ***享資源端口(NetBios-SSN)
140 emfis-data
141 emfis-cntl
142 bl-idm
143 IMAP電子郵件
144 NeWS
145 uaac
146 iso-tp0
147 iso-ip
148 jargon
149 aed-512
150 sql-net
151 hems
152 bftp
153 sgmp
154 netsc-prod
155 netsc-dev
156 sqlsrv
157 knet-cmp
158 PCMAIL
159 nss-routing
160 sgmp-traps
161 遠程管理設備(SNMP)
162 snmp-trap
163 cmip-man
164 cmip-agent
165 xns-courier Xerox
166 s-net
167 namp
168 rsvd
169 send
170 network Po
171 multiplex Network
172 cl/1 Network
173 xyplex-mux
174 mailq
175 vmnet
176 genrad-mux
177 xdmcp
178 nextstep
179 bgp
180 ris
181 unify
182 audit
183 ocbinder
184 ocserver
185 remote-kis
186 kis
187 aci
188 mumps
189 qft
190 gacp
191 prospero
192 osu-nms
193 srmp
194 Irc
195 dn6-nlm-aud
196 dn6-smm-red
197 dls
198 dls-mon
199 smux
200 src IBM
201 at-rtmp
202 at-nbp
203 at-3
204 at-echo
205 at-5
206 at-zis
207 at-7
208 at-8
209 qmtp
210 z39.50 ANSI
211 914c/g
212 anet
214 vmpwscs
215 softpc Insignia Solutions
216 CAIlic
217 dbase
218 mpp
219 uarps
220 imap3
221 fln-spx
222 rsh-spx
223 cdc
242 direct
243 sur-meas
244 dayna
245 link
246 dsp3270
247 subntbcst_tftp
248 bhfhs
256 rap
257 set
258 yak-chat
259 esro-gen
260 openport
263 hdap
264 bgmp
280 et-locate
887 iclcnet_svinfo
888 erlogin
900 omginitialrefs
911 xact-backup
990 ftps
991 nas
992 telnets
993 imaps
994 ircs
995 pop3s
996 vsinet
997 maitrd
998 busboy
999 garcon
1000 cadlock
1010 surf
1023 Reserved
1024 NetSpy.698 (YAI)
1025 network blackjack
1026 Win2000 的 Internet 信息服務
1031 iad2
1032 iad3
1033 Netspy
1042 Bla1.1
1047 GateCrasher
1080 Wingate
1058 nim
1059 nimreg
1067 instl_boots
1068 instl_bootc
1080 Wingate
1083 ansoft-lm-1
1084 ansoft-lm-2
1109 kpop
1114 SQL
1123 murray Murray
1155 nfa Network File Access
1212 lupa lupa
1222 nerv SNI R&D network
1239 nmsd NMSD
1243 Sub-7木馬
1245 Vodoo
1248 hermes
1269 Mavericks Matrix
1492 FTP99CMP (BackOriffice.FTP)
1509 Streaming Server
1524 ingreslock後門
1313 bmc_patroldb
1314 pdps
1321 pip PIP
1345 vpjp VPJP
1346 alta-ana-lm
1347 bbn-mmc
1348 bbn-mmx
1349 sbook Registration Network Protocol
1350 editbench
1352 lotusnote
1353 relief
1354 rightbrain
1355 intuitive-edge
1356 cuillamartin
1357 pegboard
1358 connlcli
1359 ftsrv
1360 mimer
1361 linx
1362 timeflies
1363 ndm-requester
1364 ndm-server
1365 adapt-sna
1366 netware-csp
1367 dcs
1368 screencast
1369 gv-us
1370 us-gv
1371 fc-cli
1372 fc-ser
1373 chromagrafx
1374 molly EPI Software Systems
1375 bytex
1376 ibm-pps
1377 cichlid
1378 elan
1379 dbreporter Integrity Solutions
1380 telesis-licman
1381 apple-licman
1382 udt_os
1383 gwha
1384 os-licman
1385 atex_elmd
1386 checksum
1387 cadsi-lm
1388 objective-dbc
1389 iclpv-dm
1390 iclpv-sc
1391 iclpv-sas
1392 iclpv-pm
1393 iclpv-nls
1394 iclpv-nlc
1395 iclpv-wsm
1396 dvl-activemail
1399 cadkey-licman
1400 cadkey-tablet
1402 prm-sm-np
1403 prm-nm-np
1404 igi-lm
1405 ibm-res
1406 netlabs-lm
1407 dbsa-lm
1408 sophia-lm
1409 here-lm
1410 hiq
1411 af AudioFile
1412 innosys
1413 innosys-acl
1414 ibm-mqseries
1415 dbstar
1416 novell-lu6.2
1417 timbuktu-srv1
1418 timbuktu-srv2
1419 timbuktu-srv3
1420 timbuktu-srv4
1421 gandalf-lm
1422 autodesk-lm
1423 essbase
1424 hybrid
1425 zion-lm
1426 sais
1427 mloadd
1428 inFORMatik-lm
1429 nms Hypercom NMS
1430 tpdu Hypercom TPDU
1431 rgtp
1432 blueberry-lm
1433 ms-sql-s
1434 ms-sql-m
1435 ibm-cics
1436 saism
1437 tabula
1438 eicon-server
1439 eicon-x25
1440 eicon-slp
1441 cadis-1
1442 cadis-2
1443 ies-lm
1444 marcam-lm
1445 proxima-lm
1446 ora-lm
1447 apri-lm
1448 oc-lm
1449 peport
1450 dwf
1451 infoman
1452 gtegsc-lm
1453 genie-lm
1454 interhdl_elmd
1455 esl-lm
1456 dca
1457 valisys-lm
1458 nrcabq-lm
1459 proshare1
1460 proshare2
1461 ibm_wrless_lan
1462 world-lm
1463 nucleus
1464 msl_lmd
1465 pipes
1466 oceansoft-lm
1467 csdmbase
1468 csdm
1469 aal-lm
1470 uaiact
1471 csdmbase
1472 csdm
1473 openmath
1474 telefinder
1475 taligent-lm
1476 clvm-cfg
1477 ms-sna-server
1478 ms-sna-base
1479 dberegister
1480 pacerforum
1481 airs
1482 miteksys-lm
1483 afs
1484 confluent
1485 lansource
1486 nms_topo_serv
1487 localinfosrvr
1488 docstor
1489 dmdocbroker
1490 insitu-conf
1491 anynetgateway
1492 FTP99CMP (BackOriffice.FTP)
1493 netmap_lm
1494 ica
1495 cvc
1496 liberty-lm
1497 rfx-lm
1498 sybase-sqlany
1499 fhc
1500 vlsi-lm
1501 saiscm
1502 shivadiscovery
1503 imtc-mcs
1504 evb-elm
1505 funkproxy
1506 utcd
1507 symplex
1508 diagmond
1509 Streaming Server
1510 mvx-lm
1511 3l-l1
1512 wins
1513 fujitsu-dtc
1514 fujitsu-dtcns
1515 ifor-protocol
1516 vpad
1517 vpac
1518 vpvd
1519 vpvc
1520 atm-zip-office
1521 ncube-lm
1522 ricardo-lm
1523 cichild-lm
1525 orasrv
1525 orasrv
1526 pdap-np
1527 tlisrv
1528 mciautoreg
1529 coauthor
1530 rap-service
1531 rap-listen
1532 miroconnect
1533 virtual-places
1534 micromuse-lm
1535 ampr-info
1536 ampr-inter
1537 sdsc-lm
1538 3ds-lm
1539 intellistor-lm
1540 rds
1541 rds2
1542 gridgen-elmd
1543 simba-cs
1544 aspeclmd
1545 vistium-share
1546 abbaccuray
1547 laplink
1548 axon-lm
1549 shivahose
1550 3m-image-lm
1551 hecmtl-db
1552 pciarray
1553 sna-cs
1554 caci-lm
1555 livelan
1556 ashwin
1557 arbortext-lm
1558 xingmpeg
1559 web2host
1560 asci-val
1561 facilityview
1562 pconnectmgr
1563 cadabra-lm
1564 pay-per-view
1565 winddlb
1566 corelvideo
1567 jlicelmd
1568 tsspmap
1569 ets
1570 orbixd
1571 rdb-dbs-disp
1572 Chipcom License Manager
1573 itscomm-ns
1574 mvel-lm
1575 oraclenames
1576 moldflow-lm
1577 hypercube-lm
1578 Jacobus License Manager
1579 ioc-sea-lm
1580 tn-tl-r1 tn-tl-r1
1581 mil-2045-47001
1582 msims
1583 simbaexpress
1584 tn-tl-fd2
1585 intv
1586 ibm-abtact
1587 pra_elmd
1588 triquest-lm
1589 vqp
1590 gemini-lm
1591 ncpm-pm
1592 commonspace
1593 mainsoft-lm
1594 sixtrak
1595 radio
1596 radio-sm
1597 orbplus-iiop
1598 picknfs
1599 simbaservices
1600 Shiv
1601 aas
1602 inspect
1603 picodbc
1604 icabrowser icabrowser
1605 slp Salutation Manager
1606 Salutation Manager
1607 stt
1608 Smart Corp. License Manager
1609 isysg-lm
1610 taurus-wh
1611 ill Inter Library Loan
1612 NetBill Transaction Server
1613 NetBill Key Repository
1614 NetBill Credential Server
1615 NetBill Authorization Server
1616 NetBill Product Server
1617 Nimrod Inter-Agent Communication
1618 skytelnet
1619 xs-openstorage
1620 faxportwinport
1621 softdataphone
1622 ontime
1623 jaleosnd
1624 udp-sr-port
1625 svs-omagent
1636 cncp
1637 cnap
1638 cnip
1639 cert
1640 cert-responder
1641 invision
1642 isis-am
1643 isis-ambc
1645 datametrics
1646 sa-msg-port
1647 rsap rsap
1648 concurrent-lm
1649 inspect
1650 nkd
1651 shiva_confsrvr
1652 xnmp
1653 alphatech-lm
1654 stargatealerts
1655 dec-mbadmin
1656 dec-mbadmin-h
1657 fujitsu-mmpdc
1658 sixnetudr
1659 sg-lm
1660 skip-mc-gikreq
1661 netview-aix-1
1662 netview-aix-2
1663 netview-aix-3
1664 netview-aix-4
1665 netview-aix-5
1666 netview-aix-6
1667 netview-aix-7
1668 netview-aix-8
1669 netview-aix-9
1670 netview-aix-10
1671 netview-aix-11
1672 netview-aix-12
1673 Intel Proshare Multicast
1674 Intel Proshare Multicast
1675 pdp Pacific Data Products
1676 netcomm1
1677 groupwise
1678 prolink
1679 darcorp-lm
1681 sd-elmd
1682 lanyon-lantern
1683 ncpm-hip
1684 snaresecure
1685 n2nremote
1686 cvmon cvmon
1687 nsjtp-ctrl
1688 nsjtp-data
1689 firefox
1690 ng-umds
1691 empire-empuma
1692 sstsys-lm
1693 rrirtr
1694 rrimwm
1695 rrilwm
1696 rrifmm
1697 rrisat
1698 rsvp-encap-1
1699 rsvp-encap-2
1700 mps-raft
1701 l2f,l2tp
1702 deskshare
1703 hb-engine
1704 bcs-broker
1705 slingshot
1706 jetFORM
1707 vdmplay
1708 gat-lmd
1709 centra
1710 impera
1711 pptconference
1712 registrar resource monitoring service
1713 conferencetalk
1714 sesi-lm
1715 houdini-lm
1716 xmsg
1717 fj-hdnet
1718 h323gatedisc
1719 h323gatestat
1720 h323hostcall
1721 caicci
1722 HKS License Manager
1723 pptp
1724 csbphonemaster
1725 iden-ralp
1726 iberiagames
1727 winddx
1728 telindus
1729 CityNL License Management
1730 roketz
1731 msiccp
1732 proxim
1733 sSIIPAT Protocol for Alarm Transmission
1734 Camber
1735 privatechat
1736 street-stream
1737 ultimad
1738 gamegen1
1739 webaccess
1740 encore
1741 cisco-net-mgmt
1742 3Com-nsd
1743 Cinema Graphics License Manager
1744 ncpm-ft
1745 remote-winsock
1746 ftrapid-1
1747 ftrapid-2
1748 oracle-em1
1749 aspen-services
1750 Simple Socket Library's PortMaster
1751 swiftnet
1752 Leap of Faith Research License Manager
1753 Translogic License Manager
1754 oracle-em2
1755 ms-streaming
1756 capfast-lmd
1757 cnhrp
1758 tftp-mcast
1759 SPSS License Manager
1760 www-ldap-gw
1761 cft-0
1762 cft-1
1763 cft-2
1764 cft-3
1765 cft-4
1766 cft-5
1767 cft-6
1768 cft-7
1769 bmc-net-adm
1770 bmc-net-svc
1771 vaultbase vaultbase
1772 EssWeb Gateway
1773 kmscontrol
1774 global-dtserv
1776 femis
1777 powerguardian
1779 pharmasoft
1780 dpkeyserv
1781 answersoft-lm
1782 hp-hcip
1783 Fujitsu Remote Install Service
1784 Finle License Manager
1785 windlm
1786 funk-logger
1787 funk-license
1788 psmond
1789 hello
1790 Narrative Media Streaming Protocol
1791 EA1
1792 ibm-dt-2
1793 rsc-robot
1794 cera-bcm
1795 dpi-proxy
1796 Vocaltec Server Administration
1797 uma
1798 etp
1799 netrisk
1801 Microsoft Message Que
1804 enl
1807 SpySender
1812 radius
1813 RADIUS Accounting
1814 TDP
1815 mmpft
1816 harp
1818 etftp
1819 Plato License Manager
1820 mcagent
1821 donnyworld
1822 es-elmd
1823 Unisys
1824 metrics-pas
1850 gsi
1863 msnp
1865 entp
1901 Fujitsu
1902 Fujitsu
1903 linkname
1904 Fujitsu
1905 sugp
1906 tpmd
1908 dawn
1911 mtp
1913 armadp
1914 elm-momentum
1915 facelink
1916 persona
1917 noagent
1921 noadmin
1944 close-combat
1945 dialogic-elmd
1946 tekpls
1947 hlserver
1948 eye2eye
1949 ismaeasdaqlive
1950 ismaeasdaqtest
1951 bcs-lmserver
1973 dlsrap
1981 ShockRave
1985 hsrp
1986 licensedaemon cisco license management
1987 cisco RSRB Priority 1 port
1988 cisco RSRB Priority 2 port
1989 cisco RSRB Priority 3 port
1989 cisco RSRB Priority 3 port
1990 cisco STUN Priority 1 port
1991 cisco STUN Priority 2 port
1992 cisco STUN Priority 3 port
1992 cisco STUN Priority 3 port
1993 cisco SNMP TCP port
1994 cisco serial tunnel port
1995 cisco perf port
1996 cisco Remote SRB port
1997 gdp-port
1998 x25-svc-port
1999 Backdoor
2000 黑洞(木馬)