0 UDP Reserved
1 TCP UDP TCP Port Service Multiplexer (TCPMUX)
2 TCP UDP Management Utility
3 TCP UDP Compression Process
5 TCP UDP Remote Job Entry
7 TCP UDP Echo Protocol
9 TCP UDP Discard Protocol
11 TCP UDP Active Users (systat service[2])
13 TCP UDP Daytime Protocol (RFC 867)
17 TCP UDP Quote of the Day
18 TCP UDP Message Send Protocol
19 TCP UDP Character Generator Protocol (CHARGEN)
20 TCP FTP – data transfer
21 TCP FTP – control (command)
22 TCP UDP Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding
23 TCP Telnet protocol—unencrypted text communications
24 TCP UDP Priv-mail : any private mail system.
25 TCP Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers
35 TCP UDP Any private printer server protocol
37 TCP UDP TIME protocol
39 TCP UDP Resource Location Protocol[3] (RLP)—used for determining the location of higher level services from hosts on a network
41 TCP UDP Graphics
42 TCP UDP nameserver, ARPA Host Name Server Protocol
43 TCP WHOIS protocol
47 TCP UDP NI FTP
49 TCP UDP TACACS Login Host protocol
50 TCP UDP Remote Mail Checking Protocol
51 TCP UDP IMP Logical Address Maintenance
52 TCP UDP XNS (Xerox Network Systems) Time Protocol
53 TCP UDP Domain Name System (DNS)
54 TCP UDP XNS (Xerox Network Systems) Clearinghouse
56 TCP UDP XNS (Xerox Network Systems) Authentication
58 TCP UDP XNS (Xerox Network Systems) Mail
67 UDP Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP)
68 UDP Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP)
69 UDP Trivial File Transfer Protocol (TFTP)
70 TCP Gopher protocol
79 TCP Finger protocol
80 TCP UDP Hypertext Transfer Protocol (HTTP)
83 TCP MIT ML Device
88 TCP UDP Kerberos—authentication system
90 TCP UDP dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map
101 TCP NIC host name
102 TCP ISO-TSAP (Transport Service Access Point) Class 0 protocol[5]
104 TCP UDP ACR/NEMA Digital Imaging and Communications in Medicine
105 TCP UDP CCSO Nameserver Protocol (Qi/Ph)
107 TCP Remote TELNET Service[6] protocol
108 TCP UDP SNA Gateway Access Server [7]
109 TCP Post Office Protocol v2 (POP2)
110 TCP Post Office Protocol v3 (POP3)
111 TCP UDP ONC RPC (SunRPC)
113 TCP ident—user identification system, used by IRC servers to identify users
113 TCP UDP Authentication Service (auth)
115 TCP Simple File Transfer Protocol (SFTP)
117 TCP UUCP Path Service
118 TCP UDP SQL (Structured Query Language) Services
119 TCP Network News Transfer Protocol (NNTP) — retrieval of newsgroup messages
123 UDP Network Time Protocol (NTP)—used for time synchronization
135 TCP UDP DCE endpoint resolution
137 TCP UDP NetBIOS NetBIOS Name Service
138 TCP UDP NetBIOS NetBIOS Datagram Service
139 TCP UDP NetBIOS NetBIOS Session Service
143 TCP UDP Internet Message Access Protocol (IMAP) — management of email messages
152 TCP UDP Background File Transfer Program (BFTP)[9]
153 TCP UDP SGMP, Simple Gateway Monitoring Protocol
156 TCP UDP SQL Service
161 UDP Simple Network Management Protocol (SNMP)
162 TCP UDP Simple Network Management Protocol Trap (SNMPTRAP)[10]
170 TCP Print-srv, Network PostScript
177 TCP UDP X Display Manager Control Protocol (XDMCP)
179 TCP BGP (Border Gateway Protocol)
194 TCP UDP Internet Relay Chat (IRC)
199 TCP UDP SMUX, SNMP Unix Multiplexer
201 TCP UDP AppleTalk Routing Maintenance
209 TCP UDP The Quick Mail Transfer Protocol
210 TCP UDP ANSI Z39.50
213 TCP UDP Internetwork Packet Exchange (IPX)
218 TCP UDP Message posting protocol (MPP)
220 TCP UDP Internet Message Access Protocol (IMAP), version 3
259 TCP UDP ESRO, Efficient Short Remote Operations
264 TCP UDP BGMP, Border Gateway Multicast Protocol
308 TCP Novastor Online Backup
311 TCP Mac OS X Server Admin (officially AppleShare IP Web administration)
318 TCP UDP PKIX TSP, Time Stamp Protocol
319 UDP Precision time protocol event messages
320 UDP Precision time protocol general messages
350 TCP UDP MATIP-Type A, Mapping of Airline Traffic over Internet Protocol
351 TCP UDP MATIP-Type B, Mapping of Airline Traffic over Internet Protocol
366 TCP UDP ODMR, On-Demand Mail Relay
369 TCP UDP Rpc2portmap
371 TCP UDP ClearCase albd
383 TCP UDP HP data alarm manager
384 TCP UDP A Remote Network Server System
387 TCP UDP AURP, AppleTalk Update-based Routing Protocol
389 TCP UDP Lightweight Directory Access Protocol (LDAP)
401 TCP UDP UPS Uninterruptible Power Supply
427 TCP UDP Service Location Protocol (SLP)
443 TCP HTTPS (Hypertext Transfer Protocol over SSL/TLS)
444 TCP UDP SNPP, Simple Network Paging Protocol (RFC 1568)
445 TCP Microsoft-DS Active Directory, Windows shares
445 TCP Microsoft-DS SMB file sharing
464 TCP UDP Kerberos Change/Set password
475 TCP tcpnethaspsrv (Aladdin Knowledge Systems Hasp services, TCP/IP version)
497 TCP Dantz Retrospect
500 UDP Internet Security Association and Key Management Protocol (ISAKMP)
504 TCP UDP Citadel – multiservice protocol for dedicated clients for the Citadel groupware system
512 TCP Rexec, Remote Process Execution
512 UDP comsat, together with biff
513 TCP rlogin
513 UDP Who
514 TCP Shell—used to execute non-interactive commands on a remote system (Remote Shell, rsh, remsh)
514 UDP Syslog—used for system logging
515 TCP Line Printer Daemon—print service
517 UDP Talk
518 UDP NTalk
520 TCP efs, extended file name server
520 UDP Routing Information Protocol (RIP)
524 TCP UDP NetWare Core Protocol (NCP) is used for a variety things such as access to primary NetWare server resources, Time Synchronization, etc.
525 UDP Timed, Timeserver
530 TCP UDP RPC
532 TCP netnews
533 UDP netwall, For Emergency Broadcasts
540 TCP UUCP (Unix-to-Unix Copy Protocol)
542 TCP UDP commerce (Commerce Applications)
543 TCP klogin, Kerberos login
544 TCP kshell, Kerberos Remote shell
546 TCP UDP DHCPv6 client
547 TCP UDP DHCPv6 server
548 TCP Apple Filing Protocol (AFP) over TCP
550 UDP new-rwho, new-who
554 TCP UDP Real Time Streaming Protocol (RTSP)
556 TCP Remotefs, RFS, rfs_server
560 UDP rmonitor, Remote Monitor
561 UDP monitor
563 TCP UDP NNTP protocol over TLS/SSL (NNTPS)
587 TCP e-mail message submission[11] (SMTP)
591 TCP FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80)
593 TCP UDP HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server
604 TCP TUNNEL profile[12], a protocol for BEEP peers to form an application layer tunnel
623 UDP ASF Remote Management and Control Protocol (ASF-RMCP)
631 TCP UDP Internet Printing Protocol (IPP)
635 TCP UDP RLZ DBase
636 TCP UDP Lightweight Directory Access Protocol over TLS/SSL (LDAPS)
639 TCP UDP MSDP, Multicast Source Discovery Protocol
641 TCP UDP SupportSoft Nexus Remote Command (control/listening): A proxy gateway connecting remote control traffic
646 TCP UDP LDP, Label Distribution Protocol, a routing protocol used in MPLS networks
647 TCP DHCP Failover protocol[13]
648 TCP RRP (Registry Registrar Protocol)[14]
651 TCP UDP IEEE-MMS
653 TCP UDP SupportSoft Nexus Remote Command (data): A proxy gateway connecting remote control traffic
654 TCP Media Management System (MMS) Media Management Protocol (MMP)[15]
657 TCP UDP IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM)[16] and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration
660 TCP Mac OS X Server administration
666 UDP Doom, first online first-person shooter
674 TCP ACAP (Application Configuration Access Protocol)
691 TCP MS Exchange Routing
692 TCP Hyperwave-ISP
694 TCP UDP Linux-HA High availability Heartbeat
695 TCP IEEE-MMS-SSL (IEEE Media Management System over SSL)[17]
698 UDP OLSR (Optimized Link State Routing)
699 TCP Access Network
700 TCP EPP (Extensible Provisioning Protocol), a protocol for communication between domain name registries and registrars (RFC 5734)
701 TCP LMP (Link Management Protocol (Internet))[18], a protocol that runs between a pair of nodes and is used to manage traffic engineering (TE) links
702 TCP IRIS[19][20] (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Protocol)[21] (RFC 3983)
706 TCP Secure Internet Live Conferencing (SILC)
711 TCP Cisco Tag Distribution Protocol[22][23][24]—being replaced by the MPLS Label Distribution Protocol[25]
712 TCP Topology Broadcast based on Reverse-Path Forwarding routing protocol (TBRPF) (RFC 3684)
749 TCP UDP Kerberos (protocol) administration
750 TCP rfile
750 UDP loadav
750 UDP kerberos-iv, Kerberos version IV
751 TCP UDP pump
752 TCP qrh
752 UDP qrh
753 TCP Reverse Routing Header (rrh)[26]
753 UDP Reverse Routing Header (rrh)
754 TCP tell send
754 UDP tell send
760 TCP UDP ns
847 TCP DHCP Failover protocol
860 TCP iSCSI (RFC 3720)
873 TCP rsync file synchronisation protocol USA only
902 TCP ideafarm-door 902/tcp self documenting Door: send 0x00 for info
902 UDP ideafarm-door
989 TCP UDP FTPS Protocol (data): FTP over TLS/SSL
990 TCP UDP FTPS Protocol (control): FTP over TLS/SSL
991 TCP UDP NAS (Netnews Administration System)
992 TCP UDP TELNET protocol over TLS/SSL
993 TCP Internet Message Access Protocol over SSL (IMAPS)
995 TCP Post Office Protocol 3 over TLS/SSL (POP3S)
1058 TCP UDP nim, IBM AIX Network Installation Manager (NIM)
1059 TCP UDP nimreg, IBM AIX Network Installation Manager (NIM)
1080 TCP SOCKS proxy
1085 TCP UDP WebObjects
1098 TCP UDP rmiactivation, RMI Activation
1099 TCP UDP rmiregistry, RMI Registry
1140 TCP UDP AutoNOC protocol
1169 TCP UDP Tripwire
1176 TCP Perceptive Automation Indigo Home automation server
1182 TCP UDP AcceleNet Intelligent Transfer Protocol
1194 TCP UDP OpenVPN
1198 TCP UDP The cajo project Free dynamic transparent distributed computing in Java
1200 TCP scol, protocol used by SCOL 3D virtual worlds server to answer world name resolution client request[28]
1200 UDP scol, protocol used by SCOL 3D virtual worlds server to answer world name resolution client request
1214 TCP Kazaa
1220 TCP QuickTime Streaming Server administration
1223 TCP UDP TGP, TrulyGlobal Protocol, also known as "The Gur Protocol" (named for Gur Kimchi of TrulyGlobal)
1241 TCP UDP Nessus Security Scanner
1270 TCP UDP Microsoft System Center Operations Manager (SCOM) (formerly Microsoft Operations Manager (MOM)) agent
1293 TCP UDP IPSec (Internet Protocol Security)
1311 TCP Dell OpenManage HTTPS
1319 TCP AMX ICSP
1319 UDP AMX ICSP
1337 UDP Men and Mice DNS
1337 TCP Men and Mice DNS
1352 TCP IBM Lotus Notes/Domino Remote Procedure Call (RPC) protocol
1387 TCP UDP cadsi-lm, LMS International (formerly Computer Aided Design Software, Inc. (CADSI)) LM
1414 TCP IBM WebSphere MQ (formerly known as MQSeries)
1417 TCP UDP Timbuktu Service 1 Port
1418 TCP UDP Timbuktu Service 2 Port
1419 TCP UDP Timbuktu Service 3 Port
1420 TCP UDP Timbuktu Service 4 Port
1431 TCP Reverse Gossip Transport Protocol (RGTP), used to access a General-purpose Reverse-Ordered Gossip Gathering System (GROGGS) bulletin board, such as that implemented on the Cambridge University's Phoenix system
1433 TCP MSSQL (Microsoft SQL Server database management system) Server
1434 TCP UDP MSSQL (Microsoft SQL Server database management system) Monitor
1470 TCP Solarwinds Kiwi Log Server
1494 TCP Citrix XenApp Independent Computing Architecture (ICA) thin client protocol
1512 TCP UDP Microsoft Windows Internet Name Service (WINS)
1513 TCP UDP Garena Garena Gaming Client
1521 TCP nCube License Manager
1524 TCP UDP ingreslock, ingres
1533 TCP IBM Sametime IM—Virtual Places Chat Microsoft SQL Server
1547 TCP UDP Laplink
1581 UDP MIL STD 2045-47001 VMF
1677 TCP UDP Novell GroupWise clients in client/server access mode
1701 UDP Layer 2 Forwarding Protocol (L2F) & Layer 2 Tunneling Protocol (L2TP)
1719 UDP H.323 Registration and alternate communication
1720 TCP H.323 Call signalling
1723 TCP UDP Microsoft Point-to-Point Tunneling Protocol (PPTP)
1755 TCP UDP Microsoft Media Services (MMS, ms-streaming)
1761 UDP cft-0
1761 TCP cft-0
1762–1768 TCP UDP cft-1 to cft-7
1801 TCP UDP Microsoft Message Queuing
1812 TCP UDP radius, RADIUS authentication protocol
1813 TCP UDP radacct, RADIUS accounting protocol
1863 TCP MSNP (Microsoft Notification Protocol), used by the .NET Messenger Service and a number of Instant Messaging clients
1900 UDP Microsoft SSDP Enables discovery of UPnP devices
1935 TCP Adobe Systems Macromedia Flash Real Time Messaging Protocol (RTMP) "plain" protocol
1947 TCP hasplm, Aladdin HASP Licenz Manager
1970 TCP UDP Netop Business Solutions Netop Remote Control
1971 TCP UDP Netop Business Solutions Netop School
1972 TCP UDP InterSystems Caché
1975–1977 UDP Cisco TCO (Documentation)
1984 TCP Big Brother System and Network Monitor
1985 UDP Cisco HSRP
1994 TCP UDP Cisco STUN-SDLC (Serial Tunneling—Synchronous Data Link Control) protocol
1998 TCP UDP Cisco X.25 over TCP (XOT) service
2000 TCP UDP Cisco SCCP (Skinny)
2031 TCP UDP mobrien-chat(http://chat.mobrien.com:2031/)
2049 UDP Network File System
2049 UDP shilp
2053 UDP lot105-ds-upd Lot105 DSuper Updates
2053 TCP lot105-ds-upd Lot105 DSuper Updates
2073 TCP UDP DataReel Database
2074 TCP UDP Vertel VMF SA (i.e. App.. SpeakFreely)
2082 TCP Infowave Mobility Server
2083 TCP Secure Radius Service (radsec)
2086 TCP GNUnet
2102 TCP UDP zephyr-srv Project Athena Zephyr Notification Service server
2103 TCP UDP zephyr-clt Project Athena Zephyr Notification Service serv-hm connection
2104 TCP UDP zephyr-hm Project Athena Zephyr Notification Service hostmanager
2105 TCP UDP IBM MiniPay
2156 UDP Talari Reliable Protocol
2161 TCP APC Agent
2181 TCP UDP EForward-document transport system
2210 TCP UDP NOAAPORT Broadcast Network
2211 TCP UDP EMWIN
2212 TCP UDP LeeCO POS Server Service
2219 TCP UDP NetIQ NCAP Protocol
2220 TCP UDP NetIQ End2End
2261 TCP UDP CoMotion Master
2262 TCP UDP CoMotion Backup
2369 TCP Default for BMC Software Control-M/Server—Configuration Agent, though often changed during installation
2370 TCP Default for BMC Software Control-M/Server—to allow the Control-M/Enterprise Manager to connect to the Control-M/Server, though often changed during installation
2404 TCP IEC 60870-5 -104, used to send electric power telecontrol messages between two systems via directly connected data circuits
2420 UDP Westell Remote Access
2427 UDP Cisco MGCP
2447 TCP UDP ovwdb—OpenView Network Node Manager (NNM) daemon
2483 TCP UDP Oracle database listening for unsecure client connections to the listener, replaces port 1521
2484 TCP UDP Oracle database listening for SSL client connections to the listener
2500 TCP THEòSMESSENGER listening for TheòsMessenger client connections
2501 TCP TheosNet-Admin listening for TheòsMessenger client connections
2612 TCP UDP QPasa from MQSoftware
2700–2800 TCP KnowShowGo P2P
2713 TCP UDP Raven Trinity Broker Service
2714 TCP UDP Raven Trinity Data Mover
2735 TCP UDP NetIQ Monitor Console
2809 TCP corbaloc:iiop URL, per the CORBA 3.0.3 specification
2809 UDP corbaloc:iiop URL, per the CORBA 3.0.3 specification.
2868 TCP UDP Norman Proprietary Event Protocol NPEP
2947 TCP gpsd GPS daemon
2948 TCP UDP WAP-push Multimedia Messaging Service (MMS)
2949 TCP UDP WAP-pushsecure Multimedia Messaging Service (MMS)
3050 TCP UDP gds_db (Interbase/Firebird)
3051 TCP UDP Galaxy Server (Gateway Ticketing Systems)
3074 TCP UDP Xbox LIVE and/or Games for Windows - LIVE
3225 TCP UDP FCIP (Fiber Channel over Internet Protocol)
3233 TCP UDP WhiskerControl research control protocol
3235 TCP UDP Galaxy Network Service (Gateway Ticketing Systems)
3260 TCP iSCSI target
3268 TCP UDP msft-gc, Microsoft Global Catalog (LDAP service which contains data from Active Directory forests)
3269 TCP UDP msft-gc-ssl, Microsoft Global Catalog over SSL (similar to port 3268, LDAP over SSL)
3283 TCP Apple Remote Desktop reporting (officially Net Assistant, referring to an earlier product)
3305 TCP UDP odette-ftp, Odette File Transfer Protocol (OFTP)
3306 TCP UDP MySQL database system
3386 TCP UDP GTP' 3GPP GSM/UMTS CDR logging protocol
3389 TCP UDP Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT) - Link
3396 TCP UDP Novell NDPS Printer Agent
3412 TCP UDP xmlBlaster
3455 TCP UDP [RSVP] Reservation Protocol
3423 TCP Xware xTrm Communication Protocol
3424 TCP Xware xTrm Communication Protocol over SSL
3478 TCP UDP STUN, a protocol for NAT traversal
3483 UDP Slim Devices discovery protocol
3483 TCP Slim Devices SlimProto protocol
3516 TCP UDP Smartcard Port
3527 UDP Microsoft Message Queuing
3532 TCP UDP Raven Remote Management Control
3533 TCP UDP Raven Remote Management Data
3544 UDP Teredo tunneling
3605 UDP ComCam IO Port
3606 TCP UDP Splitlock Server
3632 TCP distributed compiler
3689 TCP Digital Audio Access Protocol (DAAP)—used by Apple’s iTunes and AirPort Express
3690 TCP UDP Subversion version control system
3702 TCP UDP Web Services Dynamic Discovery (WS-Discovery), used by various components of Windows Vista
3880 TCP UDP IGRS
3868 TCP SCTP Diameter base protocol (RFC 3588)
3900 TCP udt_os, IBM UniData UDT OS[30]
3945 TCP UDP EMCADS service, a Giritech product used by G/On
3999 TCP UDP Norman distributed scanning service
4018 TCP UDP protocol information and warnings
4069 UDP Minger Email Address Verification Protocol[31]
4089 TCP UDP OpenCORE Remote Control Service
4093 TCP UDP PxPlus Client server interface ProvideX
4096 TCP UDP Ascom Timeplex BRE (Bridge Relay Element)
4111 TCP Xgrid
4116 TCP UDP Smartcard-TLS
4321 TCP Referral Whois (RWhois) Protocol[32]
4500 UDP IPSec NAT Traversal (RFC 3947)
4569 UDP Inter-Asterisk eXchange (IAX2)
4662 TCP UDP OrbitNet Message Service
4728 TCP Computer Associates Desktop and Server Management (DMP)/Port Multiplexer [33]
4840 TCP UDP OPC UA TCP Protocol for OPC Unified Architecture from OPC Foundation
4843 TCP UDP OPC UA TCP Protocol over TLS/SSL for OPC Unified Architecture from OPC Foundation
4847 TCP UDP Web Fresh Communication, Quadrion Software & Odorless Entertainment
4894 TCP UDP LysKOM Protocol A
4899 TCP UDP Radmin remote administration tool (program sometimes used by a Trojan horse)
4949 TCP Munin Resource Monitoring Tool
4950 TCP UDP Cylon Controls UC32 Communications Port
5000 TCP commplex-main
5001 TCP commplex-link
5003 TCP UDP FileMaker
5004 TCP UDP,DCCP RTP (Real-time Transport Protocol) media data (RFC 3551, RFC 4571)
5005 TCP UDP,DCCP RTP (Real-time Transport Protocol) control protocol (RFC 3551, RFC 4571)
5051 TCP ita-agent Symantec Intruder Alert[34]
5060 TCP UDP Session Initiation Protocol (SIP)
5061 TCP Session Initiation Protocol (SIP) over TLS
5084 TCP UDP EPCglobal Low Level Reader Protocol (LLRP)
5085 TCP UDP EPCglobal Low Level Reader Protocol (LLRP) over TLS
5093 UDP SafeNet, Inc Sentinel LM, Sentinel RMS, License Manager, Client-to-Server
5099 TCP UDP SafeNet, Inc Sentinel LM, Sentinel RMS, License Manager, Server-to-Server
5151 TCP ESRI SDE Instance
5151 UDP ESRI SDE Remote Start
5154 TCP UDP BZFlag
5190 TCP ICQ and AOL Instant Messenger
5222 TCP Extensible Messaging and Presence Protocol (XMPP) client connection (RFC 3920)
5246 UDP Control And Provisioning of Wireless Access Points (CAPWAP) CAPWAP control (RFC 5415)
5247 UDP Control And Provisioning of Wireless Access Points (CAPWAP) CAPWAP data (RFC 5415)5269 TCP Extensible Messaging and Presence Protocol (XMPP) server connection (RFC 3920)5298 TCP UDP Extensible Messaging and Presence Protocol (XMPP) JEP-0174: Link-Local Messaging / XEP-0174: Serverless Messaging5351 TCP UDP NAT Port Mapping Protocol—client-requested configuration for inbound connections through network address translators5353 UDP Multicast DNS (mDNS)
5355 TCP UDP LLMNR—Link-Local Multicast Name Resolution, allows hosts to perform name resolution for hosts on the same local link (only provided by Windows Vista and Server 2008)
5402 TCP UDP mftp, Stratacache OmniCast content delivery system MFTP file sharing protocol
5405 TCP UDP NetSupport Manager
5421 TCP UDP NetSupport Manager
5432 TCP UDP PostgreSQL database system
5556 TCP UDP Freeciv
5631 TCP pcANYWHEREdata, Symantec pcAnywhere (version 7.52 and later[37])[38] data
5632 UDP pcANYWHEREstat, Symantec pcAnywhere (version 7.52 and later) status
5814 TCP UDP Hewlett-Packard Support Automation (HP OpenView Self-Healing Services)
5900 TCP UDP Virtual Network Computing (VNC) remote desktop protocol (used by Apple Remote Desktop and others)
5984 TCP UDP CouchDB database server
5999 TCP CVSup [40] file update tool
6000 TCP X11—used between an X client and server over the network
6001 UDP X11—used between an X client and server over the network
6005 TCP Default for BMC Software Control-M/Server—Socket used for communication between Control-M processes—though often changed during installation
6086 TCP PDTP—FTP like file server in a P2P network
6110 TCP UDP softcm, HP Softbench CM
6111 TCP UDP spc, HP Softbench Sub-Process Control
6112 TCP UDP "dtspcd"—a network daemon that accepts requests from clients to execute commands and launch applications remotely
6129 TCP DameWare Remote Control
6343 UDP SFlow, sFlow traffic monitoring
6346 TCP UDP gnutella-svc, gnutella (FrostWire, Limewire, Shareaza, etc.)
6347 TCP UDP gnutella-rtr, Gnutella alternate
6350 TCP UDP App Discovery and Access Protocol
6432 TCP PgBouncer - A connection pooler for PostgreSQL
6444 TCP UDP Sun Grid Engine—Qmaster Service
6445 TCP UDP Sun Grid Engine—Execution Service
6619 TCP UDP odette-ftps, Odette File Transfer Protocol (OFTP) over TLS/SSL
6665–6669 TCP Internet Relay Chat (IRC)
6888 TCP UDP MUSE
6969 TCP UDP acmsoda
7400 TCP UDP RTPS (Real Time Publish Subscribe) DDS Discovery
7401 TCP UDP RTPS (Real Time Publish Subscribe) DDS User-Traffic
7402 TCP UDP RTPS (Real Time Publish Subscribe) DDS Meta-Traffic
7547 TCP UDP CPE WAN Management Protocol Technical Report 069
7787-7788 TCP GFI EventsManager 7 & 8
7937-9936 TCP UDP EMC2 (Legato) Networker or Sun Solcitice Backup
8000 TCP UDP iRDMI (Intel Remote Desktop Management Interface)[45]—sometimes erroneously used instead of port 8080
8008 TCP HTTP Alternate
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
8118 TCP Privoxy—advertisement-filtering Web proxy
8123 TCP Polipo Web proxy
8243 TCP UDP HTTPS listener for Apache Synapse [48]
8280 TCP UDP HTTP listener for Apache Synapse [48]
8400 TCP UDP cvp, Commvault Unified Data Management
8442 TCP UDP CyBro A-bus, Cybrotech Ltd.
8880 UDP cddbp-alt, CD DataBase (CDDB) protocol (CDDBP) alternate
8880 TCP cddbp-alt, CD DataBase (CDDB) protocol (CDDBP) alternate
8888 TCP UDP NewsEDGE server
9001 TCP UDP ETL Service Manager[49]
9009 TCP UDP Pichat Server—Peer to peer chat software
9080 UDP glrpc, Groove Collaboration software GLRPC
9080 TCP glrpc, Groove Collaboration software GLRPC
9100 TCP PDL Data Stream
9101 TCP UDP Bacula Director
9102 TCP UDP Bacula File Daemon
9103 TCP UDP Bacula Storage Daemon
9105 TCP UDP Xadmin Control Daemon
9119 TCP UDP MXit Instant Messenger
9306 TCP Sphinx Native API
9312 TCP Sphinx SphinxQL
9418 TCP UDP git, Git pack transfer service
9535 TCP UDP mngsuite, LANDesk Management Suite Remote Control
9536 TCP UDP laes-bf, IP Fabrics Surveillance buffering function
9600 UDP Omron FINS, OMRON FINS PLC communication
9800 TCP UDP WebDAV Source
9898 TCP UDP MonkeyCom
9996 TCP UDP The Palace "The Palace" Virtual Reality Chat software. – 5
10008 TCP UDP Octopus Multiplexer, primary port for the CROMP protocol, which provides a platform-independent means for communication of objects across a network
10010 TCP Open Object Rexx (ooRexx) rxapi daemon
10050 TCP UDP Zabbix-Agent
10051 TCP UDP Zabbix-Trapper
10113 TCP UDP NetIQ Endpoint
10114 TCP UDP NetIQ Qcheck
10115 TCP UDP NetIQ Endpoint
10116 TCP UDP NetIQ VoIP Assessor
11371 OpenPGP HTTP key server
12222 UDP Light Weight Access Point Protocol (LWAPP) LWAPP data (RFC 5412)
12223 UDP Light Weight Access Point Protocol (LWAPP) LWAPP control (RFC 5412)
13076 TCP Default for BMC Software Control-M/Enterprise Manager Corba communication, though often changed during installation
13720 TCP UDP Symantec NetBackup—bprd (formerly VERITAS)
13721 TCP UDP Symantec NetBackup—bpdbm (formerly VERITAS)
13724 TCP UDP Symantec Network Utility—vnetd (formerly VERITAS)
13782 TCP UDP Symantec NetBackup—bpcd (formerly VERITAS)
13783 TCP UDP Symantec VOPIED protocol (formerly VERITAS)
13785 TCP UDP Symantec NetBackup Database—nbdb (formerly VERITAS)
13786 TCP UDP Symantec nomdb (formerly VERITAS)
15000 TCP hydap, Hypack Hydrographic Software Packages Data Acquisition
15000 UDP hydap, Hypack Hydrographic Software Packages Data Acquisition
15345 TCP UDP XPilot Contact
17500 TCP Dropbox LanSync Protocol (db-lsp); used to synchronize file catalogs between Dropbox clients on your local network.
17500 UDP Dropbox LanSync Discovery (db-lsp-disc); used to synchronize file catalogs between Dropbox clients on your local network; is transmitted to broadcast addresses.
18104 TCP RAD PDF Service
19283 TCP UDP K2 - KeyAuditor & KeyServer, Sassafras Software Inc. Software Asset Management tools
19315 TCP UDP KeyShadow for K2 - KeyAuditor & KeyServer, Sassafras Software Inc. Software Asset Management tools
19999 DNP - Secure (Distributed Network Protocol - Secure), a secure version of the protocol used in SCADA systems between communicating RTU's and IED's
20000 DNP (Distributed Network Protocol), a protocol used in SCADA systems between communicating RTU's and IED's
22347 TCP UDP WibuKey, WIBU-SYSTEMS AG Software protection system
22350 TCP UDP CodeMeter, WIBU-SYSTEMS AG Software protection system
24465 TCP UDP Tonido Directory Server for Tonido which is a Personal Web App and P2P platform
24554 TCP UDP BINKP, Fidonet mail transfers over TCP/IP
26000 TCP UDP id Software's Quake server
31457 TCP TetriNET
33434 TCP UDP traceroute
40000 TCP UDP SafetyNET p Real-time Industrial Ethernet protocol
43047 TCP TheòsMessenger second port for service TheòsMessenger
43048 TCP TheòsMessenger third port for service TheòsMessenger
47808 TCP UDP BACnet Building Automation and Control Networks (4780810 = BAC016)
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