| Port | Program |
| Start | End |
| 1 | | TCP Port Service Multiplexer (TCPMUX) |
| 2 | | CompressNET Management Utility |
| 3 | | CompressNET Compression Process |
| 4 | | Unassigned |
| 5 | | Remote Job Entry |
| 6 | | Unassigned |
| 7 | | Echo Protocol |
| 8 | | Unassigned |
| 9 | | Discard Protocol |
| 10 | | Unassigned |
| 11 | | Active Users (systat service) |
| 12 | | Unassigned |
| 13 | | Daytime Protocol (RFC 867) |
| 14 | | Unassigned |
| 15 | | netstat service |
| 16 | | Unassigned |
| 17 | | Quote of the Day |
| 18 | | Message Send Protocol |
| 19 | | Character Generator Protocol (CHARGEN) |
| 20 | | FTP—data transfer |
| 21 | | FTP—control (command) |
| 22 | | Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwa... |
| 23 | | Telnet protocol—unencrypted text communications |
| 24 | | Priv-mail : any private mail system. |
| 25 | | Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers |
| 26 | | Unassigned |
| 34 | | Remote File (RF)—used to transfer files between machines |
| 35 | | Any private printer server protocol |
| 37 | | TIME protocol |
| 39 | | Resource Location Protocol (RLP)—used for determining the location of higher level s... |
| 40 | | Shains throbber protocol |
| 41 | | Graphics |
| 42 | | nameserver, ARPA Host Name Server Protocol |
| 42 | | WINS |
| 43 | | WHOIS protocol |
| 47 | | NI FTP |
| 49 | | TACACS Login Host protocol |
| 50 | | Remote Mail Checking Protocol |
| 51 | | IMP Logical Address Maintenance |
| 52 | | XNS (Xerox Network Systems) Time Protocol |
| 53 | | Domain Name System (DNS) |
| 54 | | XNS (Xerox Network Systems) Clearinghouse |
| 55 | | ISI Graphics Language (ISI-GL) |
| 56 | | Route Access Protocol (RAP) |
| 56 | | XNS (Xerox Network Systems) Authentication |
| 57 | | Mail Transfer Protocol (MTP) |
| 58 | | XNS (Xerox Network Systems) Mail |
| 70 | | Gopher protocol |
| 71 | | Genius protocol |
| 79 | | Finger protocol |
| 80 | | Hypertext Transfer Protocol (HTTP) |
| 81 | | Torpark—Onion routing |
| 83 | | MIT ML Device |
| 88 | | Kerberos—authentication system |
| 90 | | dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map |
| 90 | | Pointcast |
| 99 | | WIP Message Protocol |
| 101 | | NIC host name |
| 102 | | ISO-TSAP (Transport Service Access Point) Class 0 protocol |
| 104 | | ACR/NEMA Digital Imaging and Communications in Medicine |
| 105 | | CCSO Nameserver Protocol (Qi/Ph) |
| 107 | | Remote TELNET Service protocol |
| 108 | | SNA Gateway Access Server |
| 109 | | Post Office Protocol v2 (POP2) |
| 110 | | Post Office Protocol v3 (POP3) |
| 111 | | ONC RPC (SunRPC) |
| 113 | | ident—Authentication Service/Identification Protocol, used by IRC servers to identif... |
| 115 | | Simple File Transfer Protocol (SFTP) |
| 117 | | UUCP Path Service |
| 118 | | SQL (Structured Query Language) Services |
| 119 | | Network News Transfer Protocol (NNTP)—retrieval of newsgroup messages |
| 135 | | DCE endpoint resolution |
| 135 | | Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, used to rem... |
| 137 | | NetBIOS NetBIOS Name Service |
| 138 | | NetBIOS NetBIOS Datagram Service |
| 139 | | NetBIOS NetBIOS Session Service |
| 143 | | Internet Message Access Protocol (IMAP)—management of email messages |
| 152 | | Background File Transfer Program (BFTP) |
| 153 | | SGMP, Simple Gateway Monitoring Protocol |
| 156 | | SQL Service |
| 158 | | DMSP, Distributed Mail Service Protocol |
| 162 | | Simple Network Management Protocol Trap (SNMPTRAP) |
| 170 | | Print-srv, Network PostScript |
| 177 | | X Display Manager Control Protocol (XDMCP) |
| 179 | | BGP (Border Gateway Protocol) |
| 194 | | Internet Relay Chat (IRC) |
| 199 | | SMUX, SNMP Unix Multiplexer |
| 201 | | AppleTalk Routing Maintenance |
| 209 | | The Quick Mail Transfer Protocol |
| 210 | | ANSI Z39.50 |
| 213 | | Internetwork Packet Exchange (IPX) |
| 218 | | Message posting protocol (MPP) |
| 220 | | Internet Message Access Protocol (IMAP), version 3 |
| 256 | | 2DEV "2SP" Port |
| 259 | | ESRO, Efficient Short Remote Operations |
| 264 | | BGMP, Border Gateway Multicast Protocol |
| 308 | | Novastor Online Backup |
| 311 | | Mac OS X Server Admin (officially AppleShare IP Web administration) |
| 318 | | PKIX TSP, Time Stamp Protocol |
| 323 | | IMMP, Internet Message Mapping Protocol |
| 350 | | MATIP-Type A, Mapping of Airline Traffic over Internet Protocol |
| 351 | | MATIP-Type B, Mapping of Airline Traffic over Internet Protocol |
| 366 | | ODMR, On-Demand Mail Relay |
| 369 | | Rpc2portmap |
| 370 | | codaauth2—Coda authentication server |
| 371 | | ClearCase albd |
| 375 | 425 | Direct Connect |
| 383 | | HP data alarm manager |
| 384 | | A Remote Network Server System |
| 387 | | AURP, AppleTalk Update-based Routing Protocol |
| 389 | | Lightweight Directory Access Protocol (LDAP) |
| 401 | | UPS Uninterruptible Power Supply |
| 402 | | Altiris, Altiris Deployment Client |
| 407 | | Timbuktu Pro |
| 411 | | Direct Connect Hub |
| 412 | | Direct Connect Client-to-Client |
| 427 | | Service Location Protocol (SLP) |
| 443 | | HTTPS (Hypertext Transfer Protocol over SSL/TLS) |
| 444 | | SNPP, Simple Network Paging Protocol (RFC 1568) |
| 445 | | Microsoft-DS Active Directory, Windows shares |
| 445 | | Microsoft-DS SMB file sharing |
| 464 | | Kerberos Change/Set password |
| 465 | | Cisco protocol |
| 465 | | SMTP over SSL |
| 475 | | tcpnethaspsrv (Aladdin Knowledge Systems Hasp services, TCP/IP version) |
| 497 | | Dantz Retrospect |
| 501 | | STMF, Simple Transportation Management Framework—DOT NTCIP 1101 |
| 502 | | asa-appl-proto, Protocol |
| 502 | | Modbus, Protocol |
| 504 | | Citadel—multiservice protocol for dedicated clients for the Citadel groupware system |
| 510 | | First Class Protocol |
| 512 | | Rexec, Remote Process Execution |
| 513 | | rlogin |
| 514 | | Shell—used to execute non-interactive commands on a remote system (Remote Shell, rsh... |
| 515 | | Line Printer Daemon—print service |
| 520 | | efs, extended file name server |
| 524 | | NetWare Core Protocol (NCP) is used for a variety things such as access to primary Net... |
| 530 | | RPC |
| 531 | | AOL Instant Messenger, IRC |
| 532 | | netnews |
| 540 | | UUCP (Unix-to-Unix Copy Protocol) |
| 542 | | commerce (Commerce Applications) |
| 543 | | klogin, Kerberos login |
| 544 | | kshell, Kerberos Remote shell |
| 545 | | OSIsoft PI (VMS), OSISoft PI Server Client Access |
| 546 | | DHCPv6 client |
| 547 | | DHCPv6 server |
| 548 | | Apple Filing Protocol (AFP) over TCP |
| 554 | | Real Time Streaming Protocol (RTSP) |
| 556 | | Remotefs, RFS, rfs_server |
| 563 | | NNTP protocol over TLS/SSL (NNTPS) |
| 587 | | e-mail message submission (SMTP) |
| 591 | | FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80) |
| 593 | | HTTP RPC Ep Map Server |
| 604 | | TUNNEL profile, a protocol for BEEP peers to form an application layer tunnel |
| 631 | | Common Unix Printing System (CUPS) |
| 631 | | Internet Printing Protocol (IPP) |
| 635 | | RLZ DBase |
| 636 | | Lightweight Directory Access Protocol over TLS/SSL (LDAPS) |
| 639 | | MSDP, Multicast Source Discovery Protocol |
| 641 | | SupportSoft Nexus Remote Command (control/listening): A proxy gateway connecting remot... |
| 646 | | LDP, Label Distribution Protocol, a routing protocol used in MPLS networks |
| 647 | | DHCP Failover protocol |
| 648 | | RRP (Registry Registrar Protocol) |
| 651 | | IEEE-MMS |
| 652 | | DTCP, Dynamic Tunnel Configuration Protocol |
| 653 | | SupportSoft Nexus Remote Command (data): A proxy gateway connecting remote control tra... |
| 654 | | Media Management System (MMS) Media Management Protocol (MMP) |
| 657 | | IBM RMC reconfiguration |
| 660 | | Mac OS X Server administration |
| 665 | | sun-dr, Remote Dynamic Reconfiguration |
| 674 | | ACAP (Application Configuration Access Protocol) |
| 691 | | MS Exchange Routing |
| 692 | | Hyperwave-ISP |
| 694 | | Linux-HA High availability Heartbeat |
| 695 | | IEEE-MMS-SSL (IEEE Media Management System over SSL) |
| 699 | | Access Network |
| 700 | | EPP (Extensible Provisioning Protocol), a protocol for communication between domain na... |
| 701 | | LMP (Link Management Protocol (Internet)), a protocol that runs between a pair of node... |
| 702 | | IRIS (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Pro... |
| 706 | | Secure Internet Live Conferencing (SILC) |
| 711 | | Cisco Tag Distribution Protocol—being replaced by the MPLS Label Distribution Protoc... |
| 712 | | Topology Broadcast based on Reverse-Path Forwarding routing protocol (TBRPF) (RFC 3684... |
| 720 | | SMQP, Simple Message Queue Protocol |
| 749 | | Kerberos (protocol) administration |
| 750 | | rfile |
| 751 | | kerberos_master, Kerberos authentication |
| 751 | | pump |
| 752 | | qrh |
| 753 | | Reverse Routing Header (rrh) |
| 754 | | krb5_prop, Kerberos v5 slave propagation |
| 754 | | tell send |
| 760 | | krbupdate [kreg], Kerberos registration |
| 760 | | ns |
| 782 | | Conserver serial-console management server |
| 783 | | SpamAssassin spamd daemon |
| 799 | | Remotely Possible Server |
| 829 | | CMP (Certificate Management Protocol) |
| 843 | | Adobe Flash socket policy server |
| 847 | | DHCP Failover protocol |
| 860 | | iSCSI (RFC 3720) |
| 873 | | rsync file synchronisation protocol |
| 888 | | cddbp, CD DataBase (CDDB) protocol (CDDBP)—unassigned but widespread use |
| 901 | | Samba Web Administration Tool (SWAT) |
| 901 | | VMware Virtual Infrastructure Client (UDP from server being managed to management cons... |
| 902 | | ideafarm-door 902/tcp self documenting Door: send 0x00 for info |
| 902 | | VMware Server Console (TCP from management console to server being Managed) |
| 903 | | VMware Remote Console |
| 904 | | VMware Server Alternate (if 902 is in use, i.e. SUSE linux) |
| 911 | | Network Console on Acid (NCA)—local tty redirection over OpenSSH |
| 953 | | Domain Name System (DNS) RNDC Service |
| 981 | | SofaWare Technologies Remote HTTPS management for firewall devices running embedded Ch... |
| 989 | | FTPS Protocol (data): FTP over TLS/SSL |
| 990 | | FTPS Protocol (control): FTP over TLS/SSL |
| 991 | | NAS (Netnews Administration System) |
| 992 | | TELNET protocol over TLS/SSL |
| 993 | | Internet Message Access Protocol over SSL (IMAPS) |
| 995 | | Post Office Protocol 3 over TLS/SSL (POP3S) |
| 999 | | ScimoreDB Database System |
| 1001 | | JtoMB |
| 1002 | | Opsware agent (aka cogbot) |
| 1023 | 5000 | CITRIX Metaframe |
| 1024 | 5000 | Dwyco Video Conferencing |
| 1024 | 7000 | Everquest |
| 1024 | 1502 | H.323 compliant video player |
| 1024 | 5000 | ICUII Client |
| 1024 | 1502 | Intel Video Phone |
| 1024 | 5000 | mIRC DCC |
| 1024 | 1502 | NetMeeting 2.0, 3.0 |
| 1025 | | NFS or IIS or Teradata |
| 1026 | | Often used by Microsoft DCOM services |
| 1029 | | Often used by Microsoft DCOM services |
| 1030 | | Need for Speed 3 - Hot Pursuit |
| 1034 | 1035 | PhoneFree |
| 1058 | | nim, IBM AIX Network Installation Manager (NIM) |
| 1059 | | nimreg, IBM AIX Network Installation Manager (NIM) |
| 1080 | | SOCKS proxy |
| 1085 | | WebObjects |
| 1098 | | rmiactivation, RMI Activation |
| 1099 | | rmiregistry, RMI Registry |
| 1109 | | Kerberos Post Office Protocol (KPOP) |
| 1117 | 5190 | Audiogalaxy Satellite |
| 1140 | | AutoNOC protocol |
| 1140 | 1234 | Westwood Online - C&C Tiberian Sun |
| 1140 | 1234 | Westwood Online - Dune 2000 |
| 1169 | | Tripwire |
| 1176 | | Perceptive Automation Indigo Home automation server |
| 1182 | | AcceleNet Intelligent Transfer Protocol |
| 1194 | | OpenVPN |
| 1198 | | The cajo project Free dynamic transparent distributed computing in Java |
| 1200 | | scol, protocol used by SCOL 3D virtual worlds server to answer world name resolution c... |
| 1214 | | Kazaa |
| 1217 | | Uvora Online |
| 1220 | | QuickTime Streaming Server administration |
| 1223 | | TGP, TrulyGlobal Protocol, also known as "The Gur Protocol" (named for Gur Kimchi of T... |
| 1236 | | Symantec BindView Control UNIX Default port for TCP management server connections |
| 1241 | | Nessus Security Scanner |
| 1270 | | Microsoft System Center Operations Manager (SCOM) (formerly Microsoft Operations Manag... |
| 1293 | | IPSec (Internet Protocol Security) |
| 1301 | | Palmer Performance OBDNet |
| 1309 | | Altera Quartus jtagd |
| 1311 | | Dell OpenManage HTTPS |
| 1313 | | Xbiim (Canvii server) |
| 1319 | | AMX ICSP |
| 1319 | | AMX ICSP |
| 1337 | | Men and Mice DNS |
| 1337 | | PowerFolder P2P Encrypted File Synchronization Program |
| 1337 | | WASTE Encrypted File Sharing Program |
| 1352 | | IBM Lotus Notes/Domino (RPC) protocol |
| 1387 | | cadsi-lm, LMS International (formerly Computer Aided Design Software, Inc. (CADSI)) LM |
| 1414 | | IBM WebSphere MQ (formerly known as MQSeries) |
| 1417 | | Timbuktu Service 1 Port |
| 1418 | | Timbuktu Service 2 Port |
| 1419 | | Timbuktu Service 3 Port |
| 1420 | | Timbuktu Service 4 Port |
| 1431 | | Reverse Gossip Transport Protocol (RGTP) implemented on the Cambridge University's Pho... |
| 1433 | | MSSQL (Microsoft SQL Server database management system) Server |
| 1434 | | MSSQL (Microsoft SQL Server database management system) Monitor |
| 1470 | | Solarwinds Kiwi Log Server |
| 1494 | | Citrix XenApp Independent Computing Architecture (ICA) thin client protocol |
| 1494 | | CITRIX Metaframe |
| 1500 | | NetGuard GuardianPro firewall (NT4-based) Remote Management |
| 1503 | | Windows Live Messenger (Whiteboard and Application Sharing) |
| 1503 | | CuSeeMe |
| 1503 | 1503 | H.323 compliant video player |
| 1503 | 1503 | Intel Video Phone |
| 1503 | 1503 | NetMeeting 2.0, 3.0 |
| 1504 | 1730 | H.323 compliant video player |
| 1504 | 1730 | Intel Video Phone |
| 1504 | 1730 | NetMeeting 2.0, 3.0 |
| 1512 | | Microsoft Windows Internet Name Service (WINS) |
| 1513 | | Garena Garena Gaming Client |
| 1521 | | nCube License Manager |
| 1521 | | Oracle database default listener, in future releases official port 2483 |
| 1524 | | ingreslock, ingres |
| 1526 | | Oracle database common alternative for listener |
| 1533 | | IBM Sametime IM—Virtual Places Chat Microsoft SQL Server |
| 1547 | | Laplink |
| 1584 | 1585 | Dialpad |
| 1645 | | radius auth, RADIUS authentication protocol |
| 1646 | | radius acct, RADIUS authentication protocol |
| 1666 | | Perforce |
| 1677 | | Novell GroupWise clients in client/server access mode |
| 1680 | | CarbonCopy32 |
| 1716 | | America's Army Massively multiplayer online game (MMO) |
| 1720 | | H.323 Call signalling |
| 1720 | | CuSeeMe |
| 1723 | | Microsoft Point-to-Point Tunneling Protocol (PPTP) |
| 1731 | 1731 | H.323 compliant video player |
| 1731 | 1731 | Intel Video Phone |
| 1731 | 1731 | NetMeeting 2.0, 3.0 |
| 1732 | 65534 | H.323 compliant video player |
| 1732 | 65534 | Intel Video Phone |
| 1732 | 65534 | NetMeeting 2.0, 3.0 |
| 1755 | | Microsoft Media Services (MMS, ms-streaming) |
| 1761 | | cft-0 |
| 1761 | | Novell Zenworks Remote Control utility |
| 1762 | 1768 | cft-1 to cft-7 |
| 1801 | | Microsoft Message Queuing |
| 1812 | | radius, RADIUS authentication protocol |
| 1813 | | radacct, RADIUS accounting protocol |
| 1863 | | MSNP (Microsoft Notification Protocol), used by the .NET Messenger Service and a numbe... |
| 1863 | | MSN Messenger |
| 1883 | | MQ Telemetry Transport (MQTT), formerly known as MQIsdp (MQSeries SCADA protocol) |
| 1886 | | Leonardo over IP Pro2col Ltd |
| 1920 | | IBM Tivoli Monitoring Console (https) |
| 1935 | | Adobe Systems Macromedia Flash Real Time Messaging Protocol (RTMP) |
| 1947 | | SentinelSRM (hasplm), Aladdin HASP License Manager |
| 1970 | | Netop Business Solutions Netop Remote Control |
| 1971 | | Netop Business Solutions Netop School |
| 1972 | | InterSystems Caché |
| 1984 | | Big Brother System and Network Monitor |
| 1994 | | Cisco STUN-SDLC (Serial Tunneling |
| 1997 | | Chizmo Networks Transfer Tool |
| 1998 | | Cisco X.25 over TCP (XOT) service |
| 2000 | | Cisco SCCP (Skinny) |
| 2000 | 2038 | ICUII Client |
| 2000 | 2038 | ICUII Client |
| 2000 | | Remotely AnyWhere |
| 2002 | | Secure Access Control Server (ACS) for Windows |
| 2031 | | Mobrien-chat |
| 2041 | | Mail.Ru Agent communication protocol |
| 2047 | 2048 | Camerades |
| 2050 | 2051 | ICUII Client |
| 2050 | 2051 | ICUII Client |
| 2053 | | knetd Kerberos de-multiplexor |
| 2053 | | lot105-ds-upd Lot105 DSuper Updates |
| 2069 | | ICUII Client |
| 2069 | | ICUII Client |
| 2073 | | DataReel Database |
| 2074 | | Vertel VMF SA (i.e. App.. SpeakFreely) |
| 2082 | | CPanel default |
| 2082 | | Infowave Mobility Server |
| 2083 | | CPanel default SSL |
| 2083 | | Secure Radius Service (radsec) |
| 2085 | | ICUII Client |
| 2085 | | ICUII Client |
| 2086 | | GNUnet |
| 2086 | | WebHost Manager default |
| 2087 | | WebHost Manager default SSL |
| 2090 | | Go2Call |
| 2090 | | Pal Talk |
| 2091 | | Pal Talk |
| 2095 | | CPanel default Web mail |
| 2095 | | Pal Talk |
| 2096 | | CPanel default SSL Web mail |
| 2102 | | zephyr-srv Project Athena Zephyr Notification Service server |
| 2103 | | zephyr-clt Project Athena Zephyr Notification Service serv-hm connection |
| 2104 | | zephyr-hm Project Athena Zephyr Notification Service hostmanager |
| 2105 | | eklogin Kerberos encrypted remote login (rlogin) |
| 2105 | | IBM MiniPay |
| 2105 | | zephyr-hm-srv Project Athena Zephyr Notification Service hm-serv connection (should us... |
| 2144 | | Iron Mountain LiveVault Agent |
| 2145 | | Iron Mountain LiveVault Agent |
| 2161 | | APC Agent |
| 2181 | | EForward-document transport system |
| 2210 | | MikroTik Remote management for "The Dude" |
| 2210 | | NOAAPORT Broadcast Network |
| 2211 | | EMWIN |
| 2211 | | MikroTik Secure management for "The Dude" |
| 2212 | | LeeCO POS Server Service |
| 2212 | | Port-A-Pour Remote WinBatch |
| 2219 | | NetIQ NCAP Protocol |
| 2220 | | NetIQ End2End |
| 2221 | | ESET Anti-virus updates |
| 2222 | | DirectAdmin default & ESET Remote Administration |
| 2234 | 2234 | Operation FlashPoint |
| 2261 | | CoMotion Master |
| 2262 | | CoMotion Backup |
| 2300 | 2400 | Battlecom |
| 2300 | 2400 | Fighter Ace II |
| 2300 | 2400 | MSN Game Zone |
| 2300 | 2400 | Starfleet Command |
| 2301 | | HP System Management Redirect to port 2381 |
| 2346 | | Rainbow Six |
| 2346 | | Rogue Spear |
| 2369 | | Default for BMC Software Control-M/Server—Configuration Agent, though often changed... |
| 2370 | | Default for BMC Software Control-M/Server—to allow the Control-M/Enterprise Manager... |
| 2381 | | HP Insight Manager default for Web server |
| 2401 | | CVS version control system |
| 2404 | | IEC 60870-5 -104, used to send electric power telecontrol messages between two systems... |
| 2447 | | ovwdb—OpenView Network Node Manager (NNM) daemon |
| 2483 | | Oracle database listening for unsecure client connections to the listener, replaces po... |
| 2484 | | Oracle database listening for SSL client connections to the listener |
| 2500 | | THEÒSMESSENGER listening for TheòsMessenger client connections |
| 2501 | | TheosNet-Admin listening for TheòsMessenger client connections |
| 2518 | | Willy |
| 2525 | | SMTP alternate |
| 2546 | | EVault—Data Protection Services |
| 2593 | | RunUO—Ultima Online server |
| 2598 | | new ICA—when Session Reliability is enabled, TCP port 2598 replaces port 1494 |
| 2599 | | SonicWALL Antispam traffic between Remote Analyzer (RA) and Control Center (CC) |
| 2610 | | Dark Ages |
| 2611 | 2612 | Black and White |
| 2612 | | QPasa from MQSoftware |
| 2638 | | Sybase database listener |
| 2644 | | PhoneFree |
| 2700 | 2800 | KnowShowGo P2P |
| 2710 | | Knuddels.de |
| 2710 | | XBT Bittorrent Tracker |
| 2713 | | Raven Trinity Broker Service |
| 2714 | | Raven Trinity Data Mover |
| 2735 | | NetIQ Monitor Console |
| 2809 | | corbaloc:iiop URL, per the CORBA 3.0.3 specification |
| 2809 | | IBM WebSphere Application Server (WAS) Bootstrap/rmi default |
| 2868 | | Norman Proprietary Event Protocol NPEP |
| 2947 | | gpsd GPS daemon |
| 2948 | | WAP-push Multimedia Messaging Service (MMS) |
| 2949 | | WAP-pushsecure Multimedia Messaging Service (MMS) |
| 2967 | | Symantec AntiVirus Corporate Edition |
| 3000 | | Miralix License server |
| 3000 | | Active Worlds |
| 3000 | | Deerfield MDaemon Email Server |
| 3001 | | Miralix Phone Monitor |
| 3001 | | Opsware server (Satellite) |
| 3001 | | Deerfield MDaemon Email Server |
| 3002 | | Miralix CSTA |
| 3003 | | Miralix GreenBox API |
| 3004 | | Miralix InfoLink |
| 3005 | | Miralix TimeOut |
| 3006 | | Miralix SMS Client Connector |
| 3007 | | Miralix OM Server |
| 3008 | | Miralix Proxy |
| 3010 | 3030 | ICUII Client |
| 3010 | 3030 | ICUII Client |
| 3017 | | Miralix IVR and Voicemail |
| 3025 | | netpd.org |
| 3030 | | NetPanzer |
| 3050 | | gds_db (Interbase/Firebird) |
| 3051 | | Galaxy Server (Gateway Ticketing Systems) |
| 3074 | | Xbox LIVE and/or Games for Windows - LIVE |
| 3100 | | HTTP used by Tatsoft as the default listen port |
| 3100 | 3999 | Delta Force |
| 3101 | | BlackBerry Enterprise Server communication to cloud |
| 3128 | | HTTP used by Tatsoft as the default client connection |
| 3128 | | HTTP used by Web caches and the default for the Squid (software) |
| 3225 | | FCIP (Fiber Channel over Internet Protocol) |
| 3230 | 3235 | Polycom ViaVideo H.323 |
| 3233 | | WhiskerControl research control protocol |
| 3235 | | Galaxy Network Service (Gateway Ticketing Systems) |
| 3260 | | iSCSI target |
| 3268 | | msft-gc, Microsoft Global Catalog (LDAP service which contains data from Active Direct... |
| 3269 | | msft-gc-ssl, Microsoft Global Catalog over SSL (similar to port 3268, LDAP over SSL) |
| 3283 | | Apple Remote Desktop reporting (officially Net Assistant, referring to an earlier prod... |
| 3299 | | SAP-Router (routing application proxy for SAP R/3) |
| 3300 | | Debate Gopher backend database system |
| 3305 | | odette-ftp, Odette File Transfer Protocol (OFTP) |
| 3306 | | MySQL database system |
| 3313 | | Verisys - File Integrity Monitoring Software |
| 3333 | | Network Caller ID server |
| 3386 | | GTP' 3GPP GSM/UMTS CDR logging protocol |
| 3389 | | Windows 2000 Terminal Server |
| 3396 | | Novell NDPS Printer Agent |
| 3412 | | xmlBlaster |
| 3423 | | Xware xTrm Communication Protocol |
| 3424 | | Xware xTrm Communication Protocol over SSL |
| 3453 | | Bungie.net |
| 3453 | | Myth |
| 3453 | | Myth II Server |
| 3455 | | [RSVP] Reservation Protocol |
| 3478 | | STUN, a protocol for NAT traversal |
| 3483 | | Slim Devices SlimProto protocol |
| 3516 | | Smartcard Port |
| 3532 | | Raven Remote Management Control |
| 3533 | | Raven Remote Management Data |
| 3535 | | SMTP alternate |
| 3537 | | ni-visa-remote |
| 3606 | | Splitlock Server |
| 3632 | | distributed compiler |
| 3689 | | Digital Audio Access Protocol (DAAP)—used by Apple’s iTunes and AirPort Express |
| 3690 | | Subversion version control system |
| 3702 | | Web Services Dynamic Discovery (WS-Discovery), used by various components of Windows V... |
| 3723 | | Used by many Battle.net Blizzard games (Diablo II, Warcraft II, Warcraft III, StarCraf... |
| 3724 | | Club Penguin Disney online game for kids |
| 3724 | | World of Warcraft Online gaming MMORPG |
| 3782 | | Roger Wilco |
| 3784 | | Ventrilo VoIP program used by Ventrilo |
| 3800 | | Used by HGG programs |
| 3855 | | Kohan Immortal Sovereigns |
| 3868 | | Diameter base protocol (RFC 3588) |
| 3872 | | Oracle Management Remote Agent |
| 3880 | | IGRS |
| 3899 | | Remote Administrator |
| 3900 | | udt_os, IBM UniData UDT OS |
| 3945 | | EMCADS service, a Giritech product used by G/On |
| 3978 | | OpenTTD game (masterserver and content service) |
| 3979 | | OpenTTD game |
| 3999 | | Norman distributed scanning service |
| 3999 | 4000 | Remote Anything |
| 4000 | | Diablo II game |
| 4000 | | Blizzard Battlenet |
| 4000 | | Westwood Online - C&C Tiberian Sun |
| 4000 | | Westwood Online - Dune 2000 |
| 4001 | | Microsoft Ants game |
| 4007 | | PrintBuzzer printer monitoring socket server |
| 4018 | | protocol information and warnings |
| 4089 | | OpenCORE Remote Control Service |
| 4093 | | PxPlus Client server interface ProvideX |
| 4096 | | Ascom Timeplex BRE (Bridge Relay Element) |
| 4111 | | Xgrid |
| 4116 | | Smartcard-TLS |
| 4125 | | Microsoft Remote Web Workplace administration |
| 4172 | | Teradici PCoIP |
| 4201 | | TinyMUD and various derivatives |
| 4224 | | Cisco Audio Session Tunneling |
| 4226 | | Aleph One (game) |
| 4321 | | Referral Whois (RWhois) Protocol |
| 4433 | 4436 | Axence nVision |
| 4567 | | Sinatra default server port in development mode (HTTP) |
| 4610 | 4640 | QualiSystems TestShell Suite Services |
| 4662 | | often used by eMule |
| 4662 | | OrbitNet Message Service |
| 4664 | | Google Desktop Search |
| 4711 | | McAfee Web Gateway 7 - Default GUI Port HTTP |
| 4712 | | McAfee Web Gateway 7 - Default GUI Port HTTPS |
| 4728 | | Computer Associates Desktop and Server Management (DMP)/Port Multiplexer |
| 4747 | | Apprentice |
| 4750 | | BladeLogic Agent |
| 4840 | | OPC UA TCP Protocol for OPC Unified Architecture from OPC Foundation |
| 4843 | | OPC UA TCP Protocol over TLS/SSL for OPC Unified Architecture from OPC Foundation |
| 4847 | | Web Fresh Communication, Quadrion Software & Odorless Entertainment |
| 4894 | | LysKOM Protocol A |
| 4899 | | RAdmin (Fama Tech) |
| 4949 | | Munin Resource Monitoring Tool |
| 4950 | | Cylon Controls UC32 Communications Port |
| 4982 | | Solar Data Log (JK client app for PV solar inverters ) |
| 4993 | | Home FTP Server web Interface Default Port |
| 5000 | | commplex-main |
| 5000 | | UPnP—Windows network device interoperability |
| 5000 | | VTun—VPN Software |
| 5000 | 5001 | Yahoo Messenger Chat |
| 5001 | | commplex-link |
| 5001 | | Iperf (Tool for measuring TCP and UDP bandwidth performance) |
| 5001 | | Slingbox and Slingplayer |
| 5001 | 5010 | Ultima |
| 5002 | | SOLICARD ARX |
| 5003 | | FileMaker |
| 5004 | | RTP (Real-time Transport Protocol) media data (RFC 3551, RFC 4571) |
| 5005 | | RTP (Real-time Transport Protocol) control protocol (RFC 3551, RFC 4571) |
| 5029 | | Sonic Robot Blast 2 : Multiplayer |
| 5031 | | AVM CAPI-over-TCP (ISDN over Ethernet tunneling) |
| 5050 | | Yahoo! Messenger |
| 5051 | | ita-agent Symantec Intruder Alert |
| 5060 | | Session Initiation Protocol (SIP) |
| 5061 | | Session Initiation Protocol (SIP) over TLS |
| 5070 | | Binary Floor Control Protocol (BFCP) |
| 5082 | | Qpur Communication Protocol |
| 5083 | | Qpur File Protocol |
| 5084 | | EPCglobal Low Level Reader Protocol (LLRP) |
| 5085 | | EPCglobal Low Level Reader Protocol (LLRP) over TLS |
| 5099 | | SafeNet, Inc Sentinel LM, Sentinel RMS, License Manager, Server-to-Server |
| 5104 | | IBM Tivoli Framework NetCOOL/Impact HTTP Service |
| 5106 | | A-Talk Common connection |
| 5107 | | A-Talk Remote server connection |
| 5108 | | VPOP3 Mail Server Webmail |
| 5109 | | VPOP3 Mail Server Status |
| 5110 | | ProRat Server |
| 5121 | | Neverwinter Nights |
| 5150 | | ATMP Ascend Tunnel Management Protocol |
| 5150 | | Malware Cerberus RAT |
| 5151 | | ESRI SDE Instance |
| 5154 | | BZFlag |
| 5176 | | ConsoleWorks default UI interface |
| 5190 | | AOL Instant Messenger |
| 5190 | | AIM Talk |
| 5222 | | Extensible Messaging and Presence Protocol (XMPP) client connection |
| 5223 | | Extensible Messaging and Presence Protocol (XMPP) client connection over SSL |
| 5269 | | Extensible Messaging and Presence Protocol (XMPP) server connection |
| 5298 | | Extensible Messaging and Presence Protocol (XMPP) JEP-0174: Link-Local Messaging / XEP... |
| 5310 | | Ginever.net data communication port |
| 5310 | | Outlaws |
| 5311 | | Ginever.net data communication port |
| 5312 | | Ginever.net data communication port |
| 5313 | | Ginever.net data communication port |
| 5314 | | Ginever.net data communication port |
| 5315 | | Ginever.net data communication port |
| 5351 | | NAT Port Mapping Protocol—client-requested configuration for inbound connections thr... |
| 5355 | | LLMNR—Link-Local Multicast Name Resolution, allows hosts to perform name resolution... |
| 5357 | | Web Services for Devices (WSDAPI) (only provided by Windows Vista, Windows 7 and Serve... |
| 5358 | | WSDAPI Applications to Use a Secure Channel (only provided by Windows Vista, Windows 7... |
| 5402 | | mftp, Stratacache OmniCast content delivery system MFTP file sharing protocol |
| 5405 | | NetSupport Manager |
| 5421 | | NetSupport Manager |
| 5432 | | PostgreSQL database system |
| 5433 | | Bouwsoft file/webserver |
| 5450 | | OSIsoft PI Server Client Access |
| 5457 | | OSIsoft PI Asset Framework Client Access |
| 5458 | | OSIsoft PI Notifications Client Access |
| 5495 | | Applix TM1 Admin server |
| 5498 | | Hotline tracker server connection |
| 5500 | | VNC remote desktop protocol—for incoming listening viewer, Hotline control connectio... |
| 5500 | 5503 | Hotline Server |
| 5501 | | Hotline file transfer connection |
| 5517 | | Setiqueue Proxy server client for SETI@Home project |
| 5550 | | Hewlett-Packard Data Protector |
| 5555 | | Freeciv versions up to 2.0, Hewlett-Packard Data Protector, McAfee EndPoint Encryption... |
| 5556 | | Freeciv |
| 5591 | | Default for Tidal Enterprise Scheduler master-Socket used for communication between Ag... |
| 5631 | | pcAnywhere |
| 5656 | | IBM Sametime p2p file transfer |
| 5666 | | NRPE (Nagios) |
| 5667 | | NSCA (Nagios) |
| 5670 | | Active Worlds |
| 5721 | | Kaseya |
| 5723 | | Operations Manager |
| 5800 | | VNC remote desktop protocol—for use over HTTP |
| 5814 | | Hewlett-Packard Support Automation (HP OpenView Self-Healing Services) |
| 5850 | | COMIT SE (PCR) |
| 5852 | | Adeona client: communications to OpenDHT |
| 5900 | | Virtual Network Computing (VNC) remote desktop protocol (used by Apple Remote Desktop... |
| 5912 | | Default for Tidal Enterprise Scheduler agent-Socket used for communication between Mas... |
| 5938 | | TeamViewer remote desktop protocol |
| 5984 | | CouchDB database server |
| 5999 | | CVSup file update tool |
| 6000 | | X11—used between an X client and server over the network |
| 6005 | | Default for BMC Software Control-M/Server—Socket used for communication between Cont... |
| 6005 | | Default for Camfrog Chat & Cam Client http://www.camfrog.com |
| 6050 | | Brightstor Arcserve Backup |
| 6050 | | Nortel Software |
| 6051 | | Brightstor Arcserve Backup |
| 6072 | | iOperator Protocol Signal Port |
| 6073 | 6073 | Operation FlashPoint |
| 6086 | | PDTP—FTP like file server in a P2P network |
| 6100 | | Ventrilo This is the authentication port that must be allowed outbound for version 3 o... |
| 6100 | | Vizrt System |
| 6101 | | Backup Exec Agent Browser |
| 6110 | | softcm, HP Softbench CM |
| 6111 | | spc, HP Softbench Sub-Process Control |
| 6112 | | "dtspcd"—a network daemon that accepts requests from clients to execute commands and... |
| 6112 | | ArenaNet gaming service |
| 6112 | | Club Penguin Disney online game for kids |
| 6112 | | Relic gaming sercice |
| 6112 | | Blizzard Battlenet |
| 6113 | | Club Penguin Disney online game for kids |
| 6129 | | DameWare Remote Control |
| 6260 | | planet M.U.L.E. |
| 6262 | | Sybase Advantage Database Server |
| 6346 | | gnutella-svc |
| 6346 | | FrostWire |
| 6346 | | Limewire |
| 6346 | | Shareaza |
| 6346 | | GNUtella |
| 6347 | | gnutella-rtr, Gnutella alternate |
| 6350 | | App Discovery and Access Protocol |
| 6389 | | EMC CLARiiON |
| 6432 | | PgBouncer - A connection pooler for PostgreSQL |
| 6444 | | Sun Grid Engine—Qmaster Service |
| 6445 | | Sun Grid Engine—Execution Service |
| 6502 | | Netop Business Solutions - NetOp Remote Control |
| 6522 | | Gobby (and other libobby-based software) |
| 6523 | | Gobby 0.5 (and other libinfinity-based software) |
| 6566 | | SANE (Scanner Access Now Easy)—SANE network scanner daemon |
| 6600 | | Music Playing Daemon (MPD) |
| 6619 | | odette-ftps, Odette File Transfer Protocol (OFTP) over TLS/SSL |
| 6660 | 6664 | Internet Relay Chat (IRC) |
| 6660 | 6669 | mIRC Chat |
| 6665 | 6669 | Internet Relay Chat (IRC) |
| 6667 | | Black and White |
| 6667 | | MSN Game Zone |
| 6679 | | IRC SSL (Secure Internet Relay Chat)—often used |
| 6679 | | Osorno Automation Protocol (OSAUT) |
| 6697 | | IRC SSL (Secure Internet Relay Chat)—often used |
| 6699 | | WinMX (see also 6257) |
| 6699 | | Napster |
| 6700 | 6702 | Dwyco Video Conferencing |
| 6700 | 6702 | ICUII Client |
| 6702 | | Default for Tidal Enterprise Scheduler client-Socket used for communication between Cl... |
| 6789 | | Datalogger Support Software Campbell Scientific Loggernet Software |
| 6880 | | Dwyco Video Conferencing |
| 6880 | | ICUII Client |
| 6881 | 6887 | BitTorrent part of full range of ports used most often |
| 6888 | | BitTorrent part of full range of ports used most often |
| 6888 | | MUSE |
| 6889 | 6890 | BitTorrent part of full range of ports used most often |
| 6891 | 6900 | BitTorrent part of full range of ports used most often |
| 6891 | 6900 | Windows Live Messenger (File transfer) |
| 6891 | 6900 | MSN Messenger |
| 6901 | | BitTorrent part of full range of ports used most often |
| 6901 | | Windows Live Messenger (Voice) |
| 6901 | | MSN Messenger |
| 6902 | 6968 | BitTorrent part of full range of ports used most often |
| 6969 | | acmsoda |
| 6969 | | BitTorrent tracker |
| 6970 | 6999 | BitTorrent part of full range of ports used most often |
| 6970 | | QuickTime 4 Server |
| 7000 | | Default for Vuze's built in HTTPS Bittorrent Tracker |
| 7000 | 7100 | Active Worlds |
| 7001 | | Default for BEA WebLogic Server's HTTP server, though often changed during installatio... |
| 7002 | | Default for BEA WebLogic Server's HTTPS server, though often changed during installati... |
| 7005 | | Default for BMC Software Control-M/Server and Control-M/Agent for Agent-to-Server, tho... |
| 7006 | | Default for BMC Software Control-M/Server and Control-M/Agent for Server-to-Agent, tho... |
| 7010 | | Default for Cisco AON AMC (AON Management Console) |
| 7013 | | Anarchy Online |
| 7025 | | Zimbra LMTP [mailbox]—local mail delivery |
| 7047 | | Zimbra conversion server |
| 7133 | | Enemy Territory: Quake Wars |
| 7144 | | Peercast |
| 7145 | | Peercast |
| 7171 | | Tibia |
| 7306 | | Zimbra mysql [mailbox] |
| 7307 | | Zimbra mysql [logger] |
| 7400 | | RTPS (Real Time Publish Subscribe) DDS Discovery |
| 7401 | | RTPS (Real Time Publish Subscribe) DDS User-Traffic |
| 7402 | | RTPS (Real Time Publish Subscribe) DDS Meta-Traffic |
| 7500 | 7501 | Anarchy Online |
| 7547 | | CPE WAN Management Protocol Technical Report 069 |
| 7615 | | ISL Online communication protocol |
| 7640 | | CuSeeMe |
| 7642 | | CuSeeMe |
| 7648 | | CuSeeMe |
| 7649 | 7649 | CuSeeMe |
| 7670 | | BrettspielWelt BSW Boardgame Portal |
| 7676 | | Aqumin AlphaVision Remote Command Interface |
| 7775 | 7777 | Ultima |
| 7777 | | iChat server file transfer proxy |
| 7777 | | Oracle Cluster File System 2 |
| 7777 | 7788 | Unreal Tournament series default server |
| 7777 | | Windows backdoor program tini.exe default |
| 7777 | | Xivio.com Chat Server Interface |
| 7777 | | Active Worlds |
| 7778 | | Bad Trip MUD |
| 7787 | 7788 | GFI EventsManager 7 & 8 |
| 7831 | | Default used by Smartlaunch Internet Cafe Administration software |
| 7875 | | Ultima |
| 7880 | | PowerSchool Gradebook Server |
| 7915 | | Default for YSFlight server |
| 7935 | | Fixed port used for Adobe Flash Debug Player to communicate with a debugger (Flash IDE... |
| 7937 | 9936 | EMC2 (Legato) Networker or Sun Solcitice Backup |
| 8000 | | Commonly used for internet radio streams such as those using SHOUTcast |
| 8000 | | iRDMI (Intel Remote Desktop Management Interface)—sometimes erroneously used instead... |
| 8000 | | PhoneFree |
| 8000 | 8005 | ShoutCast Server |
| 8001 | | Commonly used for internet radio streams such as those using SHOUTcast |
| 8002 | | Cisco Systems Unified Call Manager Intercluster |
| 8008 | | HTTP Alternate |
| 8008 | | IBM HTTP Server administration default |
| 8009 | | ajp13—Apache JServ Protocol AJP Connector |
| 8010 | | XMPP File transfers |
| 8011 | 8014 | HTTP/TCP Symon Communications Event and Query Engine |
| 8074 | | Gadu-Gadu |
| 8076 | 8077 | IStreamVideo2HP |
| 8078 | | Default port for most Endless Online-based servers |
| 8080 | | Apache Tomcat |
| 8080 | | HTTP alternate (http_alt)—commonly used for Web proxy and caching server, or for run... |
| 8081 | | HTTP alternate, VibeStreamer, e.g. McAfee ePolicy Orchestrator (ePO) |
| 8086 | | HELM Web Host Automation Windows Control Panel |
| 8086 | | Kaspersky AV Control Center |
| 8087 | | Hosting Accelerator Control Panel |
| 8087 | | Parallels Plesk Control Panel |
| 8089 | | Splunk Daemon |
| 8090 | | HTTP Alternate (http_alt_alt)—used as an alternative to port 8080 |
| 8118 | | Privoxy—advertisement-filtering Web proxy |
| 8123 | | Polipo Web proxy |
| 8192 | | Sophos Remote Management System |
| 8193 | | Sophos Remote Management System |
| 8194 | | Sophos Remote Management System |
| 8200 | | GoToMyPC |
| 8222 | | VMware Server Management User Interface (insecure Web interface). See also port 8333 |
| 8243 | | HTTPS listener for Apache Synapse |
| 8280 | | HTTP listener for Apache Synapse |
| 8291 | | Winbox—Default on a MikroTik RouterOS for a Windows application used to administer M... |
| 8332 | | Bitcoin JSON-RPC server |
| 8333 | | Bitcoin |
| 8333 | | VMware Server Management User Interface (secure Web interface). See also port 8222 |
| 8400 | | cvp, Commvault Unified Data Management |
| 8442 | | CyBro A-bus, Cybrotech Ltd. |
| 8443 | | SW Soft Plesk Control Panel, Apache Tomcat SSL, Promise WebPAM SSL, McAfee ePolicy Orc... |
| 8484 | | MapleStory |
| 8500 | | ColdFusion Macromedia/Adobe ColdFusion default and Duke Nukem 3D—default |
| 8501 | | DukesterX —default |
| 8691 | | Ultra Fractal default server port for distributing calculations over network computers |
| 8800 | 8900 | Ultima |
| 8880 | | cddbp-alt, CD DataBase (CDDB) protocol (CDDBP) alternate |
| 8880 | | WebSphere Application Server SOAP connector default |
| 8880 | | Win Media Streamer to Server SOAP connector default |
| 8881 | | Atlasz Informatics Research Ltd Secure Application Server |
| 8882 | | Atlasz Informatics Research Ltd Secure Application Server |
| 8883 | | Secure MQ Telemetry Transport (MQTT over SSL) |
| 8887 | | HyperVM HTTP |
| 8888 | | D2GS Admin Console Telnet administration console for D2GS servers (Diablo 2) |
| 8888 | | Earthland Relams 2 Server (AU1_2) |
| 8888 | | GNUmp3d HTTP music streaming and Web interface |
| 8888 | | HyperVM HTTPS |
| 8888 | | LoLo Catcher HTTP Web interface (www.optiform.com) |
| 8888 | | NewsEDGE server |
| 8888 | | Sun Answerbook dwhttpd server (deprecated by docs.sun.com) |
| 8888 | | Ultima |
| 8889 | | Earthland Relams 2 Server (AU1_1) |
| 8983 | | Default for Apache Solr 1.4 |
| 9000 | | Buffalo LinkSystem Web access |
| 9000 | | DBGp |
| 9000 | | SqueezeCenter web server & streaming |
| 9001 | | DBGp Proxy |
| 9001 | | ETL Service Manager |
| 9009 | | Pichat Server—Peer to peer chat software |
| 9030 | | Tor often used |
| 9043 | | WebSphere Application Server Administration Console secure |
| 9050 | | Tor |
| 9051 | | Tor |
| 9060 | | WebSphere Application Server Administration Console |
| 9080 | | glrpc, Groove Collaboration software GLRPC |
| 9080 | | WebSphere Application Server HTTP Transport (port 1) default |
| 9090 | | Openfire Administration Console |
| 9090 | | SqueezeCenter control (CLI) |
| 9090 | | Webwasher, Secure Web, McAfee Web Gateway - Default Proxy Port |
| 9091 | | Openfire Administration Console (SSL Secured) |
| 9100 | | PDL Data Stream |
| 9101 | | Bacula Director |
| 9102 | | Bacula File Daemon |
| 9103 | | Bacula Storage Daemon |
| 9105 | | Xadmin Control Daemon |
| 9119 | | MXit Instant Messenger |
| 9293 | | Sony PlayStation RemotePlay |
| 9300 | | IBM Cognos 8 SOAP Business Intelligence and Performance Management |
| 9306 | | Sphinx Native API |
| 9312 | | Sphinx SphinxQL |
| 9418 | | git, Git pack transfer service |
| 9420 | | MooseFS distributed file system—master server to chunk servers |
| 9421 | | MooseFS distributed file system—master server to clients |
| 9422 | | MooseFS distributed file system—chunk servers to clients |
| 9535 | | mngsuite, LANDesk Management Suite Remote Control |
| 9536 | | laes-bf, IP Fabrics Surveillance buffering function |
| 9561 | | Network Time System Server |
| 9675 | | Spiceworks Desktop, IT Helpdesk Software |
| 9676 | | Spiceworks Desktop, IT Helpdesk Software |
| 9800 | | WebDAV Source |
| 9875 | | Club Penguin Disney online game for kids |
| 9898 | | MonkeyCom |
| 9898 | | Tripwire—File Integrity Monitoring Software |
| 9996 | | The Palace "The Palace" Virtual Reality Chat software.—5 |
| 9999 | | Lantronix UDS-10/UDS100 RS-485 to Ethernet Converter TELNET control |
| 9999 | | Ultima |
| 10001 | | Lantronix UDS-10/UDS100 RS-485 to Ethernet Converter default |
| 10008 | | Octopus Multiplexer, primary port for the CROMP protocol, which provides a platform-in... |
| 10009 | | Cross Fire, a multiplayer online First Person Shooter. |
| 10010 | | Open Object Rexx (ooRexx) rxapi daemon |
| 10024 | | Zimbra smtp [mta]—to amavis from postfix |
| 10025 | | Zimbra smtp [mta]—back to postfix from amavis |
| 10050 | | Zabbix-Agent |
| 10051 | | Zabbix-Trapper |
| 10113 | | NetIQ Endpoint |
| 10114 | | NetIQ Qcheck |
| 10115 | | NetIQ Endpoint |
| 10116 | | NetIQ VoIP Assessor |
| 10200 | | FRISK Software International's f-protd virus scanning daemon for Unix platforms |
| 10200 | | FRISK Software International's fpscand virus scanning daemon for Unix platforms |
| 10201 | 10204 | FRISK Software International's f-protd virus scanning daemon for Unix platforms |
| 12010 | | ElevateDB default database port |
| 12011 | | Axence nVision |
| 12012 | | Audition Online Dance Battle, Korea Server—Status/Version Check |
| 12012 | | Axence nVision |
| 12013 | | Audition Online Dance Battle, Korea Server |
| 12053 | | Delta Three PC to Phone |
| 12083 | | Delta Three PC to Phone |
| 12489 | | NSClient/NSClient++/NC_Net (Nagios) |
| 12975 | | LogMeIn Hamachi (VPN tunnel software; also port 32976)—used to connect to Mediation... |
| 13008 | | Cross Fire, a multiplayer online First Person Shooter. |
| 13076 | | Default for BMC Software Control-M/Enterprise Manager Corba communication, though ofte... |
| 13195 | 13196 | Ontolux Ontolux 2D |
| 13720 | | Symantec NetBackup—bprd (formerly VERITAS) |
| 13721 | | Symantec NetBackup—bpdbm (formerly VERITAS) |
| 13724 | | Symantec Network Utility—vnetd (formerly VERITAS) |
| 13782 | | Symantec NetBackup—bpcd (formerly VERITAS) |
| 13783 | | Symantec VOPIED protocol (formerly VERITAS) |
| 13785 | | Symantec NetBackup Database—nbdb (formerly VERITAS) |
| 13786 | | Symantec nomdb (formerly VERITAS) |
| 14439 | | APRS UI-View Amateur Radio UI-WebServer |
| 15000 | | hydap, Hypack Hydrographic Software Packages Data Acquisition |
| 15000 | | Kaspersky Network Agent |
| 15000 | | psyBNC |
| 15000 | | Wesnoth |
| 15345 | | XPilot Contact |
| 16000 | | shroudBNC |
| 16000 | | Motorhead server |
| 16010 | 16030 | Motorhead server |
| 16080 | | Mac OS X Server Web (HTTP) service with performance cache |
| 16639 | | SWAT3 |
| 17437 | | Kohan Immortal Sovereigns |
| 17500 | | Dropbox LanSync Protocol (db-lsp); used to synchronize file catalogs between Dropbox c... |
| 18010 | | Super Dancer Online Extreme(SDO-X)—CiB Net Station Malaysia Server |
| 18104 | | RAD PDF Service |
| 18180 | | DART Reporting server |
| 18200 | | Audition Online Dance Battle, AsiaSoft Thailand Server—Status/Version Check |
| 18201 | | Audition Online Dance Battle, AsiaSoft Thailand Server |
| 18206 | | Audition Online Dance Battle, AsiaSoft Thailand Server—FAM Database |
| 18300 | | Audition Online Dance Battle, AsiaSoft SEA Server—Status/Version Check |
| 18301 | | Audition Online Dance Battle, AsiaSoft SEA Server |
| 18306 | | Audition Online Dance Battle, AsiaSoft SEA Server—FAM Database |
| 18400 | | Audition Online Dance Battle, KAIZEN Brazil Server—Status/Version Check |
| 18401 | | Audition Online Dance Battle, KAIZEN Brazil Server |
| 18505 | | Audition Online Dance Battle, Nexon Server—Status/Version Check |
| 18506 | | Audition Online Dance Battle, Nexon Server |
| 18605 | | X-BEAT—Status/Version Check |
| 18606 | | X-BEAT |
| 19000 | | Audition Online Dance Battle, G10/alaplaya Server—Status/Version Check |
| 19001 | | Audition Online Dance Battle, G10/alaplaya Server |
| 19226 | | Panda Software AdminSecure Communication Agent |
| 19283 | | K2 - KeyAuditor & KeyServer, Sassafras Software Inc. Software Asset Management tools |
| 19294 | | Google Talk Voice and Video connections |
| 19315 | | KeyShadow for K2 - KeyAuditor & KeyServer, Sassafras Software Inc. Software Asset Mana... |
| 19638 | | Ensim Control Panel |
| 19771 | | Softros LAN Messenger |
| 19812 | | 4D database SQL Communication |
| 19813 | | 4D database Client Server Communication |
| 19814 | | 4D database DB4D Communication |
| 19880 | | Softros LAN Messenger |
| 20000 | 20059 | ICQ |
| 20014 | | DART Reporting server |
| 20720 | | Symantec i3 Web GUI server |
| 21001 | | AMLFilter, AMLFilter Inc. amlf-admin default port |
| 21011 | | AMLFilter, AMLFilter Inc. amlf-engine-01 default http port |
| 21012 | | AMLFilter, AMLFilter Inc. amlf-engine-01 default https port |
| 21021 | | AMLFilter, AMLFilter Inc. amlf-engine-02 default http port |
| 21022 | | AMLFilter, AMLFilter Inc. amlf-engine-02 default https port |
| 22136 | | FLIR Systems Camera Resource Protocol |
| 22222 | | Davis Instruments, WeatherLink IP |
| 22347 | | WibuKey, WIBU-SYSTEMS AG Software protection system |
| 22350 | | CodeMeter, WIBU-SYSTEMS AG Software protection system |
| 24465 | | Tonido Directory Server for Tonido which is a Personal Web App and P2P platform |
| 24554 | | BINKP, Fidonet mail transfers over TCP/IP |
| 25999 | | Xfire |
| 26000 | | CCP's EVE Online Online gaming MMORPG |
| 26000 | | id Software's Quake server |
| 26214 | | Dark Reign 2 |
| 26900 | | CCP's EVE Online Online gaming MMORPG |
| 26901 | | CCP's EVE Online Online gaming MMORPG |
| 27000 | 27009 | FlexNet Publisher's License server (from the range of default ports) |
| 28395 | | www.SmartSystemsLLC.com Used by Smart Sale 5.0 |
| 28800 | 29000 | MSN Game Zone |
| 28910 | | Heretic II Server |
| 30564 | | Multiplicity: keyboard/mouse/clipboard sharing software |
| 30777 | | ZangZing agent |
| 31337 | | Back Orifice—remote administration tool (often Trojan horse) |
| 31456 | | TetriNET IRC gateway on some servers |
| 31457 | | TetriNET |
| 31458 | | TetriNET Used for game spectators |
| 32123 | | x3Lobby Used by x3Lobby, an internet application. |
| 32245 | | MMTSG-mutualed over MMT (encrypted transmission) |
| 32769 | | FileNet RPC |
| 32976 | | LogMeIn Hamachi (VPN tunnel software; also port 12975)—used to connect to Mediation... |
| 33434 | | traceroute |
| 37659 | | Axence nVision |
| 37777 | | Digital Video Recorder hardware |
| 40000 | | SafetyNET p Real-time Industrial Ethernet protocol |
| 40001 | | JamesWebster port Real-time Industrial Ethernet protocol |
| 41000 | 50000 | Audiogalaxy Satellite |
| 41823 | | Murealm Client |
| 43047 | | TheòsMessenger second port for service TheòsMessenger |
| 43048 | | TheòsMessenger third port for service TheòsMessenger |
| 43594 | 43595 | Jagex, RuneScape, FunOrb, etc... |
| 47624 | | Battlecom |
| 47624 | | Fighter Ace II |
| 47624 | | MSN Game Zone |
| 47624 | 47624 | Operation FlashPoint |
| 47624 | | Starfleet Command |
| 47808 | | BACnet Building Automation and Control Networks (4780810 = BAC016) |
| 50000 | 50100 | Fighter Ace II |
| 51210 | | Dialpad |