|
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 | Official |
| 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 |
| 42/TCP,UDP | WINS [1] | Unoffical/Conflict |
| 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 | HTTP Alternate (HyperText Transfer Protocol) | 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 (End Point Mapper) / 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 | |
| 383/TCP,UDP | HP OpenView HTTPs Operations Agent | |
| 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 |
| 412/TCP | Direct Connect Client-To-Client 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, also known as LDAPS) | 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 first-person shooter | |
| 674/TCP | ACAP, Application Configuration Access Protocol | |
| 691/TCP | MS Exchange Routing | Official |
| 692/TCP | Hyperwave-ISP | |
| 694/UDP | Linux-HA High availability Heartbeat port | Unofficial |
| 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 serial-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[1] | Unofficial |
| 904 | VMware Server Alternate (if 902 is in use – ie SUSE linux) | 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 |
Version:1.0 StartHTML:0000000168 EndHTML:0000108825 StartFragment:0000000533 EndFragment:0000108808
Only those ports that are commonly used are listed, refer to the IANA site for the full list.
|
Port |
Description |
Status |
| 1058/tcp | nim AIX Network Installation Manager | Official |
| 1059/tcp | nimreg | Official |
| 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 |
| 1099/udp | RMI Registry | Official |
| 1200/udp | [[2]Steam Friends Applet] | Official |
| 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 |
| 1270/tcp,udp | Microsoft Operations Manager 2005 agent | Official |
| 1311/tcp | Dell Open Manage Https Port | Unofficial |
| 1313/tcp | Xbiim (Canvii server) Port | Unofficial |
| 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 Presentation Server ICA Client | Official |
| 1512/tcp,udp | WINS | |
| 1521/tcp | nCube License Manager | Official |
| 1521/tcp | Oracle database default listener, in future releases official port 2483 | 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 (Direct Client-to-Client) | Unofficial |
| 1581/udp | MIL STD 2045-47001 VMF | Official |
| 1589/udp | Cisco VQP (VLAN Query Protocol) / VMPS | Unofficial |
| 1627 | iSketch | Unofficial |
| 1677/tcp | Novell GroupWise clients in client/server access mode | |
| 1701/udp | l2tp, Layer 2 Tunnelling protocol | |
| 1716/tcp | America’s Army MMORPG Default Game Port | Official |
| 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 | Windows Live Messenger | Official |
| 1900/udp | Microsoft SSDP Enables discovery of UPnP devices | Official |
| 1935/tcp | Macromedia Flash Communications Server MX | Official |
| 1970/tcp,udp | Danware Data NetOp Remote Control | Official |
| 1971/tcp,udp | Danware Data NetOp School | 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 November 2004 | Official |
| 2031/udp | mobrien-chat – Mike O’Brien November 2004 | Official |
| 2049/udp | nfs, NFS Server | Official |
| 2049/udp | shilp | Official |
| 2053/tcp | knetd, Kerberos de-multiplexor | |
| 2056/udp | Civilization 4 multiplayer | Unofficial |
| 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 |
| 2200/tcp | Tuxanci – Game Server (http://www.tuxanci.org) | Unofficial |
| 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 |
| 2369/tcp | Default port for BMC Software CONTROL-M/Server – Configuration Agent port number – though often changed during installation | Unofficial |
| 2370/tcp | Default port for BMC Software CONTROL-M/Server – Port utilized to allow the CONTROL-M/Enterprise Manager to connect to the CONTROL-M/Server – though often changed during installation | 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 |
| 2483/tcp,udp | Oracle database listening port for unsecure client connections to the listener, replaces port 1521 | Official |
| 2484/tcp,udp | Oracle database listening port for SSL client connections to the listener | Official |
| 2546/tcp,udp | Vytal Vault – Data Protection Services | Unofficial |
| 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 |
| 2710/tcp | Knuddels.de | 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 |
| 3945/tcp | Emcads server service port, a Giritech product used by G/On | Official |
| 4007/tcp | PrintBuzzer printer monitoring socket server | Unofficial |
| 4089/udp | OpenCORE Remote Control Service | Official |
| 4089/tcp | OpenCORE Remote Control Service | Official |
| 4093/udp | PxPlus Client server interface ProvideX | Official |
| 4093/tcp | PxPlus Client server interface ProvideX | 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 |
| 4224/tcp | Cisco CDP Cisco discovery Protocol | ??? |
| 4569/udp | Inter-Asterisk eXchange | Unofficial |
| 4662/tcp | eMule – port often used | Unofficial |
| 4662/tcp | OrbitNet Message Service | Official |
| 4664/tcp | Google Desktop Search | Unofficial |
| 4672/udp | eMule – port often used | 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 |
| 5093/udp | SPSS License Administrator (SPSS) | 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 |
| 5445/udp | Cisco Vidéo VT Advantage | ??? |
| 5495/tcp | Applix TM1 Admin server | Unofficial |
| 5498/tcp | Hotline tracker server connection | Unofficial |
| 5499/udp | Hotline tracker server discovery | Unofficial |
| 5500/tcp | VNC remote desktop protocol – for incoming listening viewer, Hotline control connection | Unofficial |
| 5501/tcp | Hotline file transfer connection | Unofficial |
| 5517/tcp | Setiqueue Proxy server client for SETI@Home project | Unofficial |
| 5555/tcp | Freeciv multiplay port for versions up to 2.0, Hewlett Packard Data Protector, SAP | Unofficial |
| 5556/tcp | Freeciv multiplay port | Official |
| 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 |
| 6005/tcp | Default port for BMC Software CONTROL-M/Server – Socket Port number used for communication between CONTROL-M processes – though often changed during installation | Unofficial |
| 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 |
| 6129/tcp | Dameware Remote Control | Unofficial |
| 6257/udp | WinMX (see also 6699) | Unofficial |
| 6346/tcp,udp | gnutella-svc (FrostWire, Limewire, Bearshare, etc.) | Official |
| 6347/tcp,udp | gnutella-rtr | Official |
| 6502/tcp,udp | Danware Data NetOp Remote Control | Unofficial |
| 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 | Internet Relay Chat | Official |
| 6679/tcp | IRC SSL (Secure Internet Relay Chat) – port often used | Unofficial |
| 6697/tcp | IRC SSL (Secure Internet Relay Chat) – port often used | Unofficial |
| 6699/tcp | WinMX (see also 6257) | Unofficial |
| 6881-6999/tcp,udp | BitTorrent full range of ports used most often | Unofficial |
| 6891-6900/tcp,udp | Windows Live Messenger (File transfer) | Official |
| 6901/tcp,udp | Windows Live 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 |
| 7005/tcp,udp | Default port for BMC Software CONTROL-M/Server and CONTROL-M/Agent’s – Agent to Server port though often changed during installation | Unofficial |
| 7006/tcp,udp | Default port for BMC Software CONTROL-M/Server and CONTROL-M/Agent’s – Server to Agent port though often changed during installation | Unofficial |
| 7010/tcp | Default port for Cisco AON AMC (AON Management Console) [3] | 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 |
| 8074/tcp | Gadu-Gadu | Unofficial |
| 8080/tcp | HTTP Alternate (http_alt) – 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 |
| 8086/tcp | Kaspersky AV Control Center TCP Port | Unofficial |
| 8087/tcp | Hosting Accelerator Control Panel | Unofficial |
| 8087/udp | Kaspersky AV Control Center UDP Port | Unofficial |
| 8090/tcp | Another HTTP Alternate (http_alt_alt) – used as an alternative to port 8080 | 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)[2]. 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)[3]. See also, port 8222 | Unofficial |
| 8400 | Commvault Unified Data Management [4]. | 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 |
| 9000/tcp | Buffalo LinkSystem web access | 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 |
| 10050/udp | Zabbix-Server | |
| 10051/udp | Zabbix-Agent | |
| 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 |
| 10480 | SWAT 4 Dedicated Server | Unofficial |
| 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. Little Fighter 2 (TCP). | Unofficial |
| 12975/tcp | LogMeIn Hamachi (VPN tunnel software;also port 32976) | |
| 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 | |
| 15567/udp | Battlefield Vietnam and mods | Unofficial |
| 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 |
| 22347/tcp,udp | WibuKey – default port for WibuKey Network Server of WIBU-SYSTEMS AG | Official |
| 22350/tcp,udp | CodeMeter – default port for CodeMeter Server of WIBU-SYSTEMS AG | Official |
| 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 |
| 40000 | SafetyNET p | Official |
| 43594-43595/tcp | RuneScape | Unofficial |
| 47808 | BACnet Building Automation and Control Networks | Official |