Port Description status
0/TCP,UDP Reserved; do not use (but is a permissible source port value if the sending process does not expect messages in response) Official
1/TCP,UDP TCPMUX (TCP port service multiplexer) Official
5/TCP,UDP RJE (Remote Job Entry) Official
7/TCP,UDP ECHO protocol Official
9/TCP,UDP DISCARD protocol Official
11/TCP,UDP SYSTAT protocol
13/TCP,UDP DAYTIME protocol Official
17/TCP,UDP QOTD (Quote of the Day) protocol Official
18/TCP,UDP Message Send Protocol Official
19/TCP,UDP CHARGEN (Character Generator) protocol Official
20/TCP FTP - data port Official
21/TCP FTP - control (command) port Official
22/TCP,UDP SSH (Secure Shell) - used for secure logins, file transfers (scp, sftp) and port forwarding Official
23/TCP,UDP Telnet protocol - unencrypted text communications Official
25/TCP,UDP SMTP - used for e-mail routing between mailservers E-mails Official
26/TCP,UDP RSFTP - A simple FTP-like protocol Unofficial
35/TCP,UDP QMS Magicolor 2 printer Unofficial
37/TCP,UDP TIME protocol Official
38/TCP,UDP Route Access Protocol Official
39/TCP,UDP Resource Location Protocol Official
41/TCP,UDP Graphics Official
42/TCP,UDP Host Name Server Official
43/TCP WHOIS protocol Official
49/TCP,UDP TACACS Login Host protocol Official
53/TCP,UDP DNS (Domain Name System) Official
57/TCP MTP, Mail Transfer Protocol
67/UDP BOOTP (BootStrap Protocol) server; also used by DHCP (Dynamic Host Configuration Protocol) Official
68/UDP BOOTP client; also used by DHCP Official
69/UDP TFTP (Trivial File Transfer Protocol) Official
70/TCP Gopher protocol Official
79/TCP Finger protocol Official
80/TCP HTTP (HyperText Transfer Protocol) - used for transferring web pages Official
81/TCP Torpark - Onion routing ORport Unofficial
82/UDP Torpark - Control Port Unofficial
88/TCP Kerberos - authenticating agent Official
101/TCP HOSTNAME
102/TCP ISO-TSAP protocol
107/TCP Remote Telnet Service
109/TCP POP, Post Office Protocol, version 2
110/TCP POP3 (Post Office Protocol version 3) - used for retrieving E-mails Official
111/TCP,UDP SUNRPC protocol
113/TCP ident - old server identification system, still used by IRC servers to identify its users Official
115/TCP SFTP, Simple File Transfer Protocol
117/TCP UUCP-PATH
118/TCP,UDP SQL Services Official
119/TCP NNTP (Network News Transfer Protocol) - used for retrieving newsgroups messages Official
123/UDP NTP (Network Time Protocol) - used for time synchronization Official
135/TCP,UDP EPMAP / Microsoft RPC Locator Service Official
137/TCP,UDP NetBIOS NetBIOS Name Service Official
138/TCP,UDP NetBIOS NetBIOS Datagram Service Official
139/TCP,UDP NetBIOS NetBIOS Session Service Official
143/TCP,UDP IMAP4 (Internet Message Access Protocol 4) - used for retrieving E-mails Official
152/TCP,UDP BFTP, Background File Transfer Program
153/TCP,UDP SGMP, Simple Gateway Monitoring Protocol
156/TCP,UDP SQL Service Official
158/TCP,UDP DMSP, Distributed Mail Service Protocol
161/TCP,UDP SNMP (Simple Network Management Protocol) Official
162/TCP,UDP SNMPTRAP Official
170/TCP Print-srv
179/TCP BGP (Border Gateway Protocol) Official
194/TCP IRC (Internet Relay Chat) Official
201/TCP,UDP AppleTalk Routing Maintenance
209/TCP,UDP The Quick Mail Transfer Protocol
213/TCP,UDP IPX Official
218/TCP,UDP MPP, Message Posting Protocol
220/TCP,UDP IMAP, Interactive Mail Access Protocol, version 3
259/TCP,UDP ESRO, Efficient Short Remote Operations
264/TCP,UDP BGMP, Border Gateway Multicast Protocol
311/TCP Apple Server-Admin-Tool, Workgroup-Manager-Tool
318/TCP,UDP TSP, Time Stamp Protocol
323/TCP,UDP IMMP, Internet Message Mapping Protocol
366/TCP,UDP SMTP, Simple Mail Transfer Protocol. ODMR, On-Demand Mail Relay
369/TCP,UDP Rpc2portmap Official
371/TCP,UDP ClearCase albd Official
384/TCP,UDP A Remote Network Server System
387/TCP,UDP AURP, AppleTalk Update-based Routing Protocol
389/TCP,UDP LDAP (Lightweight Directory Access Protocol) Official
401/TCP,UDP UPS Uninterruptible Power Supply Official
411/TCP Direct Connect Hub port Unofficial
427/TCP,UDP SLP (Service Location Protocol) Official
443/TCP HTTPS - HTTP Protocol over TLS/SSL (encrypted transmission) Official
444/TCP,UDP SNPP, Simple Network Paging Protocol
445/TCP Microsoft-DS (Active Directory, Windows shares, Sasser worm, Agobot, Zobotworm) Official
445/UDP Microsoft-DS SMB file sharing Official
464/TCP,UDP Kerberos Change/Set password Official
465/TCP SMTP over SSL - CONFLICT with registered Cisco protocol Conflict
500/TCP,UDP ISAKMP, IKE-Internet Key Exchange Official
512/TCP exec, Remote Process Execution
512/UDP comsat, together with biff: notifies users of new c.q. yet unread e-mail
513/TCP Login
513/UDP Who
514/TCP rsh protocol - used to execute non-interactive commandline commands on a remote system and see the screen return
514/UDP syslog protocol - used for system logging Official
515/TCP Line Printer Daemon protocol - used in LPD printer servers
517/UDP Talk
518/UDP NTalk
520/TCP efs
520/UDP Routing - RIP Official
513/UDP Router
524/TCP,UDP NCP (NetWare Core Protocol) is used for a variety things such as access to primary NetWare server resources, Time Synchronization, etc. Official
525/UDP Timed, Timeserver
530/TCP,UDP RPC Official
531/TCP,UDP AOL Instant Messenger, IRC Unofficial
532/TCP netnews
533/UDP netwall, For Emergency Broadcasts
540/TCP UUCP (Unix-to-Unix Copy Protocol) Official
542/TCP,UDP commerce (Commerce Applications) Official
543/TCP klogin, Kerberos login
544/TCP kshell, Kerberos Remote shell
546/TCP,UDP DHCPv6 client
547/TCP,UDP DHCPv6 server
548/TCP AFP (Apple Filing Protocol)
550/UDP new-rwho, new-who
554/TCP,UDP RTSP (Real Time Streaming Protocol) Official
556/TCP Remotefs, rfs, rfs_server
560/UDP rmonitor, Remote Monitor
561/UDP monitor
563/TCP,UDP NNTP protocol over TLS/SSL (NNTPS) Official
587/TCP email message submission (SMTP) (RFC 2476) Official
591/TCP FileMaker 6.0 Web Sharing (HTTP Alternate, see port 80) Official
593/TCP,UDP HTTP RPC Ep Map Official
604/TCP TUNNEL
631/TCP,UDP IPP, Internet Printing Protocol
636/TCP,UDP LDAP over SSL (encrypted transmission) Official
639/TCP,UDP MSDP, Multicast Source Discovery Protocol
646/TCP LDP, Label Distribution Protocol
647/TCP DHCP Failover Protocol
648/TCP RRP, Registry Registrar Protocol
652/TCP DTCP, Dynamic Tunnel Configuration Protocol
654/TCP AODV, Ad hoc On-Demand Distance Vector
665/TCP sun-dr, Remote Dynamic Reconfiguration Unofficial
666/UDP Doom, First online FPS
674/TCP ACAP, Application Configuration Access Protocol
691/TCP MS Exchange Routing Official
692/TCP Hyperwave-ISP
695/TCP IEEE-MMS-SSL
698/TCP OLSR, Optimized Link State Routing
699/TCP Access Network
700/TCP EPP, Extensible Provisioning Protocol
701/TCP LMP, Link Management Protocol.
702/TCP IRIS over BEEP
706/TCP SILC, Secure Internet Live Conferencing
711/TCP TDP, Tag Distribution Protocol
712/TCP TBRPF, Topology Broadcast based on Reverse-Path Forwarding
720/TCP SMQP, Simple Message Queue Protocol
749/TCP, UDP kerberos-adm, Kerberos administration
750/UDP Kerberos version IV
782/TCP Conserver (Console management server)
829/TCP CMP (Certificate Management Protocol)
860/TCP iSCSI
873/TCP rsync File synchronisation protocol Official
901/TCP Samba Web Administration Tool (SWAT) Unofficial
902 VMware Server[2] Unofficial
911/TCP Network Console on Acid (NCA) - local tty redirection over OpenSSH
981/TCP SofaWare Technologies Remote HTTPS management for firewall devices running embedded Checkpoint Firewall-1 software Unofficial
989/TCP,UDP FTP Protocol (data) over TLS/SSL Official
990/TCP,UDP FTP Protocol (control) over TLS/SSL Official
991/TCP,UDP NAS (Netnews Admin System)
992/TCP,UDP Telnet protocol over TLS/SSL Official
993/TCP IMAP4 over SSL (encrypted transmission) Official
995/TCP POP3 over SSL (encrypted transmission) Official

(Registered) Ports 1024 to 49151 (Abbreviated)

Port Description Status
1080/TCP SOCKS proxy Official
1099/TCP RMI Registry Official
1099/UDP RMI Registry Official
1109/TCP Kerberos POP
1167/UDP phone, conference calling
1176/TCP Perceptive Automation Indigo home control server Official
1194/UDP OpenVPN Official
1198/TCP,UDP The cajo project Free dynamic transparent distributed computing in Java Official
1211/UDP Microsoft Office Groove
1214/TCP Kazaa Official
1223/TCP,UDP TGP: "TrulyGlobal Protocol" aka "The Gur Protocol" Official
1241/TCP,UDP Nessus Security Scanner Official
1248/TCP NSClient/NSClient++/NC_Net (Nagios) Unofficial
1313/TCP Xbiim (Canvii server) Port Unofficial
1337/TCP menandmice.com DNS (not to be confused with standard DNS port). Often used on compromised/infected computers - "1337" a "Leet speak" version of "Elite". See unregistered use below. Official
1337/TCP WASTE Encrypted File Sharing Program Unofficial
1352/TCP IBM Lotus Notes/Domino RPC Official
1387/TCP Computer Aided Design Software Inc LM (cadsi-lm ) Official
1387/UDP Computer Aided Design Software Inc LM (cadsi-lm ) Official
1414/TCP IBM MQSeries Official
1431/TCP RGTP Official
1433/TCP,UDP Microsoft SQL database system Official
1434/TCP,UDP Microsoft SQL Monitor Official
1494/TCP Citrix MetaFrame ICA Client Official
1512/TCP,UDP WINS
1521/TCP nCube License Manager Official
1521/TCP Oracle database default listener Unofficial
1524/TCP ingresslock, ingress
1526/TCP Oracle database common alternative for listener Unofficial
1533/TCP IBM Sametime IM - Virtual Places Chat Official
1547/TCP Laplink Official
1547/UDP Laplink Official
1550 Gadu-Gadu
1627 iSketch Unofficial
1677/TCP Novell GroupWise clients in client/server access mode
1701/UDP l2tp, Layer 2 Tunnelling protocol
1723/TCP Microsoft PPTP VPN Official
1723/UDP Microsoft PPTP VPN Official
1725/UDP Valve Steam Client Unofficial
1755/TCP Microsoft Media Services (MMS, ms-streaming) Official
1755/UDP Microsoft Media Services (MMS, ms-streaming) Official
1761/TCP,UDP cft-0 Official
1761/TCP Novell Zenworks Remote Control utility Unofficial
1762-1768/TCP,UDP cft-1 to cft-7 Official
1812/UDP radius, RADIUS authentication protocol
1813/UDP radacct, RADIUS accounting protocol
1863/TCP MSN Messenger Official
1900/UDP Microsoft SSDP Enables discovery of UPnP devices Official
1935/TCP Macromedia Flash Communications Server MX Official
1972/TCP,UDP InterSystems Caché Official
1975-77/UDP Cisco TCO (Documentation) Official
1984/TCP Big Brother - network monitoring tool Official
1985/UDP Cisco HSRP Official
2000/UDP Cisco SCCP (Skinny) Official
2000/TCP Cisco SCCP (Skinny) Official
2002/TCP Cisco Secure Access Control Server (ACS) for Windows Unofficial
2030 Oracle Services for Microsoft Transaction Server Unofficial
2031/TCP mobrien-chat - Mike O'Brien <mike@mobrien.com> November 2004 Official
2031/UDP mobrien-chat - Mike O'Brien <mike@mobrien.com> November 2004 Official
2049/UDP nfs, NFS Server Official
2049/UDP shilp Official
2053/TCP knetd, Kerberos de-multiplexor
2074/TCP Vertel VMF SA (i.e. App.. SpeakFreely) Official
2074/UDP Vertel VMF SA (i.e. App.. SpeakFreely) Official
2082/TCP Infowave Mobility Server Official
2082/TCP CPanel, default port Unofficial
2083/TCP Secure Radius Service (radsec) Official
2083/TCP CPanel default SSL port Unofficial
2086/TCP GNUnet Official
2086/TCP WebHost Manager default port Unofficial
2087/TCP WebHost Manager default SSL port Unofficial
2095/TCP CPanel default webmail port Unofficial
2096/TCP CPanel default SSL webmail port Unofficial
2181/TCP EForward-document transport system Official
2181/UDP EForward-document transport system Official
2219/TCP NetIQ NCAP Protocol Official
2219/UDP NetIQ NCAP Protocol Official
2220/TCP NetIQ End2End Official
2220/UDP NetIQ End2End Official
2222/TCP DirectAdmin's default port Unofficial
2301/TCP HP System Management Redirect to port 2381 Unofficial
2302/UDP ArmA multiplayer (default for game) Unofficial
2302/UDP Halo: Combat Evolved multiplayer Unofficial
2303/UDP ArmA multiplayer (default for server reporting) (default port for game +1) Unofficial
2305/UDP ArmA multiplayer (default for VoN) (default port for game +3) Unofficial
2381/TCP HP Insight Manager default port for webserver Unofficial
2404/TCP IEC 60870-5-104 Official
2427/UDP Cisco MGCP Official
2447/TCP ovwdb - OpenView Network Node Manager (NNM) daemon Official
2447/UDP ovwdb - OpenView Network Node Manager (NNM) daemon Official
2593/TCP,UDP RunUO - Ultima Online Server (http://www.runuo.com) Unofficial
2598/TCP new ICA - when Session Reliability is enabled, TCP port 2598 replaces port 1494 Unofficial
2612/TCP,UDP QPasa from MQSoftware (http://www.mqsoftware.com) Official
2710/TCP XBT Bittorrent Tracker Unofficial
2710/UDP XBT Bittorrent Tracker experimental UDP tracker extension Unofficial
2735/TCP NetIQ Monitor Console Official
2735/UDP NetIQ Monitor Console Official
2809/TCP corbaloc:iiop URL, per the CORBA 3.0.3 specification.

Also used by IBM WebSphere Application Server Node Agent

 Official
2809/UDP corbaloc:iiop URL, per the CORBA 3.0.3 specification.
2944/UDP Megaco Text H.248 Unofficial
2945/UDP Megaco Binary (ASN.1) H.248 Unofficial
2948/TCP WAP-push Multimedia Messaging Service (MMS) Official
2948/UDP WAP-push Multimedia Messaging Service (MMS) Official
2949/TCP WAP-pushsecure Multimedia Messaging Service (MMS) Official
2949/UDP WAP-pushsecure Multimedia Messaging Service (MMS) Official
2967/TCP Symantec AntiVirus Corporate Edition Unofficial
3000/TCP Miralix License server Unofficial
3000/UDP Distributed Interactive Simulation (DIS), modifiable default port Unofficial
3001/TCP Miralix Phone Monitor Unofficial
3002/TCP Miralix CSTA Unofficial
3003/TCP Miralix GreenBox API Unofficial
3004/TCP Miralix InfoLink Unofficial
3006/TCP Miralix SMS Client Connector Unofficial
3007/TCP Miralix OM Server Unofficial
3050/TCP,UDP gds_db (Interbase/Firebird) Official
3074/TCP,UDP Xbox Live Official
3128/TCP HTTP used by web caches and the default port for the Squid cache Official
3260/TCP iSCSI target Official
3305/TCP,UDP ODETTE-FTP Official
3306/TCP,UDP MySQL Database system Official
3333/TCP Network Caller ID server Unofficial
3389/TCP Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT) Official
3396/TCP Novell NDPS Printer Agent Official
3689/TCP DAAP Digital Audio Access Protocol used by Apple’s iTunes Official
3690/TCP Subversion version control system Official
3724/TCP World of Warcraft Online gaming MMORPG Official
3784/TCP Ventrilo VoIP program used by Ventrilo Official
3785/UDP Ventrilo VoIP program used by Ventrilo Official
3872/TCP Oracle Management Remote Agent Unofficial
3900/TCP Unidata UDT OS udt_os Official
4007/TCP PrintBuzzer printer monitoring socket server Unofficial
4089/UDP OpenCORE Remote Control Service Official
4089/TCP OpenCORE Remote Control Service Official
4100 WatchGuard Authentication Applet - default port Unofficial
4111/TCP,UDP Xgrid Official
4111/TCP Microsoft Office SharePoint Portal Server - default administration port Unofficial
4226/TCP,UDP Aleph One (computer game) Unofficial
4569/UDP Inter-Asterisk eXchange Unofficial
4662/TCP,UDP eMule - port often used Unofficial
4664/TCP Google Desktop Search Unofficial
4894/TCP LysKOM Protocol A Official
4899/TCP Radmin remote administration tool (program sometimes used as a Trojan horse) Official
5000/TCP commplex-main Official
5000/TCP UPnP - Windows network device interoperability Unofficial
5001/TCP Slingbox and Slingplayer Unofficial
5003/TCP FileMaker Filemaker Pro Official
5004/UDP RTP Real-time Transport Protocol Official
5005/UDP RTP Real-time Transport Protocol Official
5050/TCP Yahoo! Messenger Yahoo! Messenger Official
5051/TCP ita-agent Symantec Intruder Alert Official
5060/TCP Session Initiation Protocol (SIP) Official
5060/UDP Session Initiation Protocol (SIP) Official
5061/TCP Session Initiation Protocol (SIP) over Transport Layer Security (TLS) Official
5104/TCP IBM NetCOOL / IMPACT HTTP Service Unofficial
5121 Neverwinter Nights and its mods, such as Dungeon Eternal X Unofficial
5190/TCP ICQ and AOL Instant Messenger Official
5222/TCP XMPP/Jabber - client connection Official
5223/TCP XMPP/Jabber - default port for SSL Client Connection Unofficial
5269/TCP XMPP/Jabber - server connection Official
5351/TCP,UDP NAT Port Mapping Protocol - client-requested configuration for inbound connections through network address translators Official
5353/UDP mDNS - multicastDNS
5402/TCP,UDP StarBurst AutoCast MFTP Official
5432/TCP PostgreSQL database system Official
5495/TCP Applix TM1 Admin server Unofficial
5500/TCP VNC remote desktop protocol - for incoming listening viewer Unofficial
5517/TCP Setiqueue Proxy server client for SETI@Home project Unofficial
5555/TCP Freeciv multiplay port, Hewlett Packard Data Protector, SAP Unofficial
5631/TCP Symantec pcAnywhere Official
5666/TCP NRPE (Nagios) Unofficial
5667/TCP NSCA (Nagios) Unofficial
5800/TCP VNC remote desktop protocol - for use over HTTP Unofficial
5814/TCP,UDP Hewlett-Packard Support Automation (HP OpenView Self-Healing Services) Official
5900/TCP ARD/VNC remote desktop protocol - regular port Unofficial
6000/TCP X11 - used between an X client and server over the network Official
6001/UDP X11 - used between an X client and server over the network Official
6050/TCP Brightstor Arcserve Backup Exec Unofficial
6051/TCP Brightstor Arcserve Backup Exec Unofficial
6112/TCP "dtspcd" - a network daemon that accepts requests from clients to execute commands and launch applications remotely Official
6112/TCP Blizzard's Battle.net gaming service, ArenaNet gaming service Unofficial
6346/TCP,UDP gnutella-svc (FrostWire, Limewire, Bearshare, etc.) Official
6347/TCP,UDP gnutella-rtr Official
6522/TCP Gobby (and other libobby-based software) Unofficial
6543/UDP Jetnet - default port that the Paradigm Research & Development Jetnet protocol communicates on Unofficial
6566/TCP SANE (Scanner Access Now Easy) - SANE network scanner daemon Unofficial
6619/TCP,UDP ODETTE-FTP over TLS/SSL Official
6665-6669/TCP ircu (Internet Relay Chat server) Official
6679/TCP IRC SSL (Secure Internet Relay Chat) - port often used Unofficial
6881-6999/TCP,UDP BitTorrent full range of ports used most often Unofficial
6891-6900/TCP,UDP MSN Messenger (File transfer) Official
6901/TCP,UDP MSN Messenger (Voice) Official
6969/TCP acmsoda Official
6969/TCP BitTorrent tracker port Unofficial
7000/TCP Default port for Azureus's built in HTTPS Bittorrent Tracker Unofficial
7001/TCP Default port for BEA WebLogic Server's HTTP server - though often changed during installation Unofficial
7002/TCP Default port for BEA WebLogic Server's HTTPS server - though often changed during installation Unofficial
7171 Tibia
7312/UDP Sibelius License Server port Unofficial
7777/TCP Default port used by Windows backdoor program tini.exe Unofficial
8000/TCP iRDMI - often mistakenly used instead of port 8080 (The Internet Assigned Numbers Authority (iana.org) officially lists this port for iRDMI protocol) Official
8000/TCP Common port used for internet radio streams such as those using SHOUTcast Unofficial
8002/TCP Cisco Systems Unified Call Manager Intercluster Port
8008/TCP HTTP Alternate Official
8008/TCP IBM HTTP Server default administration port Unofficial
8010/TCP XMPP/Jabber File transfers Unofficial
8080/TCP Another HTTP Alternate - commonly used for web proxy and caching server, or for running a web server as a non-root user Official
8080/TCP Jakarta Tomcat Unofficial
8086/TCP HELM Web Host Automation Windows Control Panel Unofficial
8087/TCP Hosting Accelerator Control Panel Unofficial
8118/TCP Privoxy web proxy - advertisements-filtering web proxy Official
8087/TCP SW Soft Plesk Control Panel Unofficial
8200/TCP GoToMyPC Unofficial
8220/TCP Bloomberg Unofficial
8222 VMware Server Management User Interface (insecure web interface)[3]. See also, port 8333 Unofficial
8291/TCP Winbox - Default port on a MikroTik RouterOS for a Windows application used to administer MikroTik RouterOS Unofficial
8294/TCP Bloomberg Unofficial
8333 VMware Server Management User Interface (secure web interface)[4]. See also, port 8222 Unofficial
8400 Commvault Unified Data Management [5]. Official
8443/TCP SW Soft Plesk Control Panel Unofficial
8767 TeamSpeak - Default UDP Port Unofficial
8880 WebSphere Application Server SOAP Connector port
8888/TCP,UDP NewsEDGE server Official
8888/TCP Sun Answerbook dwhttpd server (deprecated by docs.sun.com) Unofficial
8888/TCP GNUmp3d HTTP music streaming and web interface port Unofficial
9001 cisco-xremote router configuration Unofficial
9001 Tor network default port Unofficial
9043/TCP WebSphere Application Server Administration Console secure port
9060/TCP WebSphere Application Server Administration Console
9100/TCP Jetdirect HP Print Services Official
9101 Bacula Director Official
9102 Bacula File Daemon Official
9103 Bacula Storage Daemon Official
9535/TCP man, Remote Man Server
9535 mngsuite - Management Suite Remote Control Official
9800/TCP,UDP WebDav Source Port Official
9800 WebCT e-learning portal Unofficial
9999 Hydranode - edonkey2000 telnet control port Unofficial
9999 Urchin Web Analytics Unofficial
10000 Webmin - web based Linux admin tool Unofficial
10000 BackupExec Unofficial
10008 Octopus Multiplexer - CROMP protocol primary port, hoople.org Official
10113/TCP NetIQ Endpoint Official
10113/UDP NetIQ Endpoint Official
10114/TCP NetIQ Qcheck Official
10114/UDP NetIQ Qcheck Official
10115/TCP NetIQ Endpoint Official
10115/UDP NetIQ Endpoint Official
10116/TCP NetIQ VoIP Assessor Official
10116/UDP NetIQ VoIP Assessor Official
11235 Savage:Battle for Newerth Server Hosting Unofficial
11371 OpenPGP HTTP Keyserver Official
11576 IPStor Server management communication Unofficial
12345 NetBus - remote administration tool (often Trojan horse). Also used by NetBuster Unofficial
13720/TCP Symantec NetBackup - bprd (formerly VERITAS)
13721/TCP Symantec NetBackup - bpdbm (formerly VERITAS)
13724/TCP Symantec Network Utility - vnet (formerly VERITAS)
13782/TCP Symantec NetBackup - bpcd (formerly VERITAS)
13783/TCP Symantec VOPIED protocol (formerly VERITAS)
14567/UDP Battlefield 1942 and mods Unofficial
15000/TCP Wesnoth
15345/UDP XPilot Official
16384/UDP Iron Mountain Digital - online backup Unofficial
16567/UDP Battlefield 2 and mods Unofficial
19226/TCP Panda Software AdminSecure Communication Agent Unofficial
19813/TCP 4D database Client Server Communication Unofficial
20000 Usermin - web based user tool Official
20720/TCP Symantec i3 Web GUI server Unofficial
24800 Synergy: keyboard/mouse sharing software Unofficial
24842 StepMania: Online: Dance Dance Revolution Simulator Unofficial
26000/TCP,UDP id Software's Quake server, Official
26000/TCP CCP's EVE Online Online gaming MMORPG, Unofficial
27000/UDP (through 27006) id Software's QuakeWorld master server Unofficial
27010 Half-Life and its mods, such as Counter-Strike Unofficial
27015 Half-Life and its mods, such as Counter-Strike Unofficial
27374 Sub7's default port. Most script kiddies do not change the default port. Unofficial
27500/UDP (through 27900) id Software's QuakeWorld Unofficial
27888/UDP Kaillera server Unofficial
27900 (through 27901) Nintendo Wi-Fi Connection Unofficial
27901/UDP (through 27910) id Software's Quake II master server Unofficial
27960/UDP (through 27969) Activision's Enemy Territory and id Software's Quake III Arena and Quake III and ioquake3 (e.g. Tremulous) derived games Unofficial
28910 Nintendo Wi-Fi Connection Unofficial
28960 Call of Duty 2 Common Call of Duty 2 port - (PC Version) Unofficial
29900 (through 29901) Nintendo Wi-Fi Connection Unofficial
29920 Nintendo Wi-Fi Connection Unofficial
30564/TCP Multiplicity: keyboard/mouse/clipboard sharing software Unofficial
31337/TCP Back Orifice - remote administration tool (often Trojan horse) Unofficial
31337/TCP xc0r3 - xc0r3 security antivir port Unofficial
31415 ThoughtSignal - Server Communication Service (often Informational) Unofficial
31456-31458/TCP TetriNET ports (in order: IRC, game, and spectating) Unofficial
32245/TCP MMTSG-mutualed over MMT (encrypted transmission) Unofficial
33434 traceroute Official
37777/TCP Digital Video Recorder hardware Unofficial
36963 Counter Strike 2D multiplayer port (2D clone of popular CounterStrike computer game) Unofficial
43594-43595/TCP RuneScape Unofficial