TCP Port Service Multiplexer

Reserved

De-assigned on 2025-02-13, previously compressnet by [Bernie_Volz]

Reserved

De-assigned on 2025-02-13, previously compressnet by [Bernie_Volz]

Remote Job Entry

Echo

Discard

Active Users

Daytime

Quote of the Day

Message Send Protocol (historic)

Character Generator

FTP

FTP

SSH

Telnet

Simple Mail Transfer

NSW User System FE

MSG ICP

MSG Authentication

Display Support Protocol

Time

Route Access Protocol

Resource Location Protocol

Graphics

Host Name Server

Who Is

MPM FLAGS Protocol

Message Processing Module [recv]

MPM [default send]

Digital Audit Daemon

Login Host Protocol (TACACS)

Remote Mail Checking Protocol

XNS Time Protocol

Domain Name Server

XNS Clearinghouse

ISI Graphics Language

XNS Authentication

XNS Mail

ACA Services

whois++

Communications Integrator (CI)

TACACS-Database Service

Oracle SQL*NET

Bootstrap Protocol Server

Bootstrap Protocol Client

Trivial File Transfer

Gopher

Remote Job Service

Remote Job Service

Remote Job Service

Remote Job Service

Distributed External Object Store

vettcp

Finger

Unauthorized use by some mail users (see [RFC4146] for details)

HTTP

XFER Utility

MIT ML Device

Common Trace Facility

MIT ML Device

Micro Focus Cobol

Kerberos

SU/MIT Telnet Gateway

DNSIX Securit Attribute Token Map

PORT 90 also being used unofficially by Pointcast

MIT Dover Spooler

Network Printing Protocol

Device Control Protocol

Tivoli Object Dispatcher

SUPDUP

DIXIE Protocol Specification

Swift Remote Virtural File Protocol

TAC News

Metagram Relay

Unassigned

Known Unauthorized Use on 100

NIC Host Name Server

ISO-TSAP Class 0

Genesis Point-to-Point Trans Net

ACR-NEMA Digital Imag. & Comm. 300

Mailbox Name Nameserver

3COM-TSMUX

Known Unauthorized Use on 106

Remote Telnet Service

SNA Gateway Access Server

Post Office Protocol - Version 2

Post Office Protocol - Version 3

SUN Remote Procedure Call

McIDAS Data Transmission Protocol

Authentication Service

Simple File Transfer Protocol

ANSA REX Notify

UUCP Path Service

SQL Services

Network News Transfer Protocol

CFDPTKT

Encore Expedited Remote Pro.Call

SMAKYNET

Network Time Protocol

ANSA REX Trader

Locus PC-Interface Net Map Ser

NXEdit

Locus PC-Interface Conn Server

GSS X License Verification

Password Generator Protocol

cisco FNATIVE

cisco TNATIVE

cisco SYSMAINT

Statistics Service

INGRES-NET Service

DCE endpoint resolution

PROFILE Naming System

NETBIOS Name Service

NETBIOS Datagram Service

NETBIOS Session Service

EMFIS Data Service

EMFIS Control Service

Britton-Lee IDM

Internet Message Access Protocol

Universal Management Architecture

UAAC Protocol

ISO-IP0

ISO-IP

Jargon

AED 512 Emulation Service

SQL-NET

HEMS

Background File Transfer Program

SGMP

NETSC

NETSC

SQL Service

KNET/VM Command/Message Protocol

PCMail Server

NSS-Routing

SGMP-TRAPS

SNMP

SNMPTRAP

CMIP/TCP Manager

CMIP/TCP Agent

Xerox

Sirius Systems

NAMP

RSVD

SEND

Network PostScript

Network Innovations Multiplex

Network Innovations CL/1 IANA assigned this well-formed service name as a replacement for "cl/1".

Xyplex

MAILQ

VMNET

GENRAD-MUX

X Display Manager Control Protocol

NextStep Window Server

BGP

Intergraph

Unify

Unisys Audit SITP

OCBinder

OCServer

Remote-KIS

KIS Protocol

Application Communication Interface

Plus Five's MUMPS

Queued File Transport

Gateway Access Control Protocol

Prospero Directory Service

OSU Network Monitoring System

Spider Remote Monitoring Protocol

Internet Relay Chat Protocol

DNSIX Network Level Module Audit

DNSIX Session Mgt Module Audit Redir

Directory Location Service

Directory Location Service Monitor

SMUX

IBM System Resource Controller

AppleTalk Routing Maintenance

AppleTalk Name Binding

AppleTalk Unused

AppleTalk Echo

AppleTalk Unused

AppleTalk Zone Information

AppleTalk Unused

AppleTalk Unused

The Quick Mail Transfer Protocol

ANSI Z39.50 IANA assigned this well-formed service name as a replacement for "z39.50".

Texas Instruments 914C/G Terminal IANA assigned this well-formed service name as a replacement for "914c/g".

ATEXSSTR

IPX

VM PWSCS

Insignia Solutions

Computer Associates Int'l License Server

dBASE Unix

Netix Message Posting Protocol

Unisys ARPs

Interactive Mail Access Protocol v3

Berkeley rlogind with SPX auth

Berkeley rshd with SPX auth

Certificate Distribution Center

masqdialer

Direct

Survey Measurement

inbusiness

LINK

Display Systems Protocol

SUBNTBCST_TFTP IANA assigned this well-formed service name as a replacement for "subntbcst_tftp".

bhfhs

RAP

Secure Electronic Transaction

Efficient Short Remote Operations

Openport

IIOP Name Service over TLS/SSL

Arcisdms

HDAP

BGMP

X-Bone CTL

SCSI on ST

Tobit David Service Layer

Tobit David Replica

MANET Protocols

Q-mode encapsulation for GIST messages

IETF Network Endpoint Assessment (NEA) Posture Transport Protocol over TLS (PT-TLS)

http-mgmt

Personal Link

Cable Port A/X

rescap

corerjd

FXP Communication

K-BLOCK

TLS Secure Login Host Protocol (TACACSS)

Novastor Backup

EntrustTime

bhmds

AppleShare IP WebAdmin

VSLMP

Magenta Logic

Opalis Robot

DPSI

decAuth

Zannet

PKIX TimeStamp

PTP Event

PTP General

PIP

RTSPS

Resource PKI to Router Protocol

Resource PKI to Router Protocol over TLS

Texar Security Port

Prospero Data Access Protocol

Perf Analysis Workbench

Zebra server

Fatmen Server

Cabletron Management Protocol

mftp

MATIP Type A

bhoetty

bhoedap4

NDSAUTH

bh611

DATEX-ASN

Cloanto Net 1

bhevent

Shrinkwrap

Reserved

De-Assigned on 2023-11-16.

scoi2odialog

Semantix

SRS Send

RSVP Tunnel IANA assigned this well-formed service name as a replacement for "rsvp_tunnel".

Aurora CMGR

DTK

ODMR

MortgageWare

QbikGDP

rpc2portmap

codaauth2

Clearcase

ListProcessor

Legent Corporation

Legent Corporation

Hassle

Amiga Envoy Network Inquiry Protocol

NEC Corporation

NEC Corporation

TIA/EIA/IS-99 modem client

TIA/EIA/IS-99 modem server

hp performance data collector

hp performance data managed node

hp performance data alarm manager

A Remote Network Server System

IBM Application

ASA Message Router Object Def.

Appletalk Update-Based Routing Pro.

Unidata LDM

Lightweight Directory Access Protocol

UIS

SynOptics SNMP Relay Port

SynOptics Port Broker Port

Meta5

EMBL Nucleic Data Transfer

NetScout Control Protocol

Novell Netware over IP

Multi Protocol Trans. Net.

Kryptolan

ISO Transport Class 2 Non-Control over TCP

Oracle Secure Backup

Uninterruptible Power Supply

Genie Protocol

decap

nced

ncld

Interactive Mail Support Protocol

Timbuktu

Prospero Resource Manager Sys. Man.

Prospero Resource Manager Node Man.

DECLadebug Remote Debug Protocol

Remote MT Protocol

Trap Convention Port

Storage Management Services Protocol

InfoSeek

BNet

Silverplatter

Onmux

Hyper-G

Ariel 1

SMPTE

Ariel 2

Ariel 3

IBM Operations Planning and Control Start

IBM Operations Planning and Control Track

ICAD

smartsdp

Server Location

OCS_CMU IANA assigned this well-formed service name as a replacement for "ocs_cmu".

OCS_AMU IANA assigned this well-formed service name as a replacement for "ocs_amu".

UTMPSD

UTMPCD

IASD

NNTP for transit servers (NNSP)

MobileIP-Agent

MobilIP-MN

DNA-CML

comscm

dsfgw

dasp

sgcp

decvms-sysmgt

cvc_hostd IANA assigned this well-formed service name as a replacement for "cvc_hostd".

HTTPS

Simple Network Paging Protocol

Microsoft-DS

DDM-Remote Relational Database Access

DDM-Distributed File Management

DDM-Remote DB Access Using Secure Sockets

AS Server Mapper

Computer Supported Telecomunication Applications

Cray Network Semaphore server

Cray SFS config server

CreativeServer

ContentServer

CreativePartnr

macon-tcp

scohelp

apple quick time

ampr-rcmd

skronk

DataRampSrv

DataRampSrvSec

alpes

kpasswd

Message Submission over TLS protocol

digital-vrc

mylex-mapd

proturis

Radio Control Protocol

scx-proxy

Mondex

ljk-login

hybrid-pop

tn-tl-w1

tcpnethaspsrv

tn-tl-fd1

ss7ns

spsc

iafserver

iafdbase

Ph service

bgs-nsi

ulpnet

Integra Software Management Environment

Air Soft Power Burst

avian

saft Simple Asynchronous File Transfer

gss-http

nest-protocol

micom-pfs

go-login

Transport Independent Convergence for FNA

Transport Independent Convergence for FNA

POV-Ray

intecourier

PIM-RP-DISC

Retrospect backup and restore service

siam

ISO ILL Protocol

isakmp

STMF

Modbus Application Protocol

Intrinsa

citadel

mailbox-lm

ohimsrv

crs

xvttp

snare

FirstClass Protocol

PassGo

remote process execution; authentication performed using passwords and UNIX login names

remote login a la telnet; automatic authentication performed based on priviledged port numbers and distributed data base

cmd like exec, but automatic authentication is performed as for login server

spooler

videotex

like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port

unixtime

extended file name server

ripng

ULP

IBM-DB2

NCP

timeserver

newdate

Stock IXChange

Customer IXChange

IRC-SERV

rpc

chat

readnews

for emergency broadcasts

windream Admin

iiop

opalis-rdv

Networked Media Streaming Protocol

gdomap

Apertus Technologies Load Determination

uucpd

uucp-rlogin

commerce

krcmd

appleqtcsrvr

DHCPv6 Client

DHCPv6 Server

AFP over TCP

IDFP

new-who

cybercash

DeviceShare

pirp

Real Time Streaming Protocol (RTSP)

rfs server

openvms-sysipc

SDNSKMP

TEEDTAP

rmonitord

chcmd

nntp protocol over TLS/SSL (was snntp)

plan 9 file service

whoami

streettalk

banyan-rpc

microsoft shuttle

microsoft rome

demon

udemon

sonar

banyan-vip

FTP Software Agent System

VEMMI

ipcd

vnas

ipdd

decbsrv

SNTP HEARTBEAT

Bundle Discovery Protocol

SCC Security

Philips Video-Conferencing

Key Server

Password Change

Message Submission

CAL

EyeLink

TNS CML

FileMaker, Inc. - HTTP Alternate (see Port 80)

Eudora Set

HTTP RPC Ep Map

TPIP

CAB Protocol

SMSD

PTC Name Service

SCO Web Server Manager 3

Aeolon Core Protocol

Sun IPC server

Reliable Syslog Service

XML-RPC over BEEP

IDXP

TUNNEL

SOAP over BEEP

Cray Unified Resource Manager

nqs

Sender-Initiated/Unsolicited File Transfer

npmp-trap

npmp-local

npmp-gui

HMMP Indication

HMMP Operation

SSLshell

Internet Configuration Manager

SCO System Administration Server

SCO Desktop Administration Server

DEI-ICDA

Compaq EVM

SCO WebServer Manager

ESCP

Collaborator

DMTF out-of-band web services management protocol

Crypto Admin

DEC DLM IANA assigned this well-formed service name as a replacement for "dec_dlm".

ASIA

PassGo Tivoli

QMQP

3Com AMP3

RDA

IPP (Internet Printing Protocol)

bmpp

Service Status update (Sterling Software)

ginad

RLZ DBase

ldap protocol over TLS/SSL (was sldap)

lanserver

mcns-sec

MSDP

entrust-sps

repcmd

ESRO-EMSDP V1.3

SANity

dwr

PSSC

LDP

DHCP Failover

Registry Registrar Protocol (RRP)

Cadview-3d - streaming 3d models over the internet

OBEX

IEEE MMS

HELLO_PORT

RepCmd

AODV

TINC

SPMP

RMC

TenFold

MacOS Server Admin

HAP

PFTP

PureNoise

DMTF out-of-band secure web services management protocol

Sun DR

doom Id Software

campaign contribution disclosures - SDR Technologies

MeComm

MeRegister

VACDSM-SWS

VACDSM-APP

VPPS-QUA

CIMPLEX

ACAP

DCTP

VPPS Via

Virtual Presence Protocol

GNU Generation Foundation NCP

MRM

entrust-aaas

entrust-aams

XFR

CORBA IIOP

CORBA IIOP SSL

MDC Port Mapper

Hardware Control Protocol Wismar

asipregistry

ApplianceWare managment protocol

NMAP

Velneo Application Transfer Protocol

MS Exchange Routing

Hyperwave-ISP

almanid Connection Endpoint

ha-cluster

IEEE-MMS-SSL

RUSHD

UUIDGEN

OLSR

Access Network

Extensible Provisioning Protocol

Link Management Protocol (LMP)

IRIS over BEEP

errlog copy/server daemon

AgentX

SILC

Borland DSJ

Entrust Key Management Service Handler

Entrust Administration Service Handler

Cisco TDP

TBRPF

IRIS over XPC

IRIS over XPCS

IRIS-LWZ

PANA Messages

IBM NetView DM/6000 Server/Client

IBM NetView DM/6000 send/tcp

IBM NetView DM/6000 receive/tcp

netGW

Network based Rev. Cont. Sys.

Flexible License Manager

Fujitsu Device Control

Russell Info Sci Calendar Manager

kerberos administration

kerberos version iv

send

phone

IANA assigned this well-formed service name as a replacement for "acmaint_dbd".

IANA assigned this well-formed service name as a replacement for "acmaint_transd".

Multiling HTTP

IANA assigned this well-formed service name as a replacement for "mdbs_daemon".

Modbus Application Protocol Secure

FCP

itm-mcell-s

PKIX-3 CA/RA

NETCONF over SSH

dhcp-failover 2

GDOI

DNS query-response protocol run over TLS

Dynamic Link Exchange Protocol (DLEP)

iSCSI

OWAMP-Control

TWAMP-Control

rsync

ICL coNETion locate server

ICL coNETion server info IANA assigned this well-formed service name as a replacement for "iclcnet_svinfo".

AccessBuilder

OMG Initial Refs

SMPNAMERES

self documenting Telnet Door

self documenting Telnet Panic Door

Kerberized Internet Negotiation of Keys (KINK)

xact-backup

APEX relay-relay service

APEX endpoint-relay service

Routing in Fat Trees Link Information Element

Routing in Fat Trees Topology Information Element

BIND9 remote name daemon controller

ftp protocol, data, over TLS/SSL

ftp protocol, control, over TLS/SSL

Netnews Administration System

telnet protocol over TLS/SSL

IMAP over TLS protocol

POP3 over TLS protocol

vsinet

Applix ac

HTTP Web Push

surf

RFC3692-style Experiment 1

RFC3692-style Experiment 2

Remote Assistant (RA)

Unauthorized Use Known on port 1053

Reserved

De-Assigned on 2019-10-30

Reserved

De-Assigned on 2019-10-30

Microsoft-SQL-Server

Unassigned

Unauthorized Use Known on port 1491

nCube License Manager

Unauthorized Use Known on port 1521

Message Queuing Telemetry Transport Protocol

SentinelSRM

Unauthorized Use Known on port 1947

APplus Application Server

Unauthorized Use Known on port 2037

Network File System

Docker REST API (plain text)

Docker REST API (ssl)

BinTec-CAPI

Unauthorized Use Known on port 2662

HBCI

interserver

Known Unauthorized Use on port 3060

Net Book Mark

Known Unauthorized Use on port 3131

CSI-LFAP

Known UNAUTHORIZED USE: port 3145

Ceph monitor

Known Unauthorized Use on port 3300

Tarantool in-memory computing platform

Known Unauthorized Use on port 3301

MySQL

MS WBT Server

Reserved

Historic usage was acms. De-Assigned on 2020-12-29

Terabase

Network Paging Protocol

Known UNAUTHORIZED USE: Port 4045

Unassigned

Unauthorized Use Known on port 4315

Pharos

Known Unauthorized Use on port 4443

KRB524

krb524 assigned the port, nv used it without an assignment

Reserved

Historic usage was surfpass. De-Assigned on 2022-01-10

SIP

SIP-TLS

ESRI SDE Instance IANA assigned this well-formed service name as a replacement for "esri_sde".

Unauthorized Use Known on ports 5151 and 5152

ESRI SDE Instance Discovery

Unauthorized Use Known on ports 5151 and 5152

Reserved

Historic usage was toruxserver. De-Assigned on 2018-04-19

SNMP Notification over SSH Transport Model

Known Unauthorized Use on port 5162

PostgreSQL Database

Unassigned

Known UNAUTHORIZED USE: Port 5444

Personal Agent

Known UNAUTHORIZED USEs on port 5555

Freeciv gameplay

Known Unauthorized Use on port 5556

Enterprise Security Agent

AMQP

Remote Framebuffer

SynchroNet-db

Known Unauthorized Use on port 6100

LM-X License Manager by X-Formation

Known Unauthorized Use on port 6200

An advanced key-value cache and store

Service Registry Default HTTPS Domain

BoKS Servc IANA assigned this well-formed service name as a replacement for "boks_servc".

Known Unauthorized Use on port 6501

Unassigned

Unofficial use of port 6588 by AnalogX and Microsoft

eGenix mxODBC Connect

Unauthorized Use Known on port 6632

callbacks to cache managers

Known Unauthorized Use on port 7001

users & groups database

Known Unauthorized Use on port 7002

volume managment server

Known Unauthorized Use on port 7005

Talon Discovery Port

Known Unauthorized Use on 7011

Talon Engine

Known Unauthorized Use on 7011

HP OpenView Bus Daemon

Known Unauthorized Use on port 7501

cbt

Known Unauthorized Use on port 7777

Unassigned

Known Unauthorized Use on port 7785

MINIVEND

Known Unauthorized Use on port 7786

Popup Reminders Receive

Known Unauthorized Use on port 7787

Unassigned

Known Unauthorized Use on port 7788

Office Tools Pro Receive

Known Unauthorized Use on port 7789

iRDMI

VCOM Tunnel

Known Unauthorized Use on port 8001

World Programming analytics

Reserved

yes

Reserved

De-Assigned on 2024-01-05.

HTTP Alternate (see port 80)

Sun Proxy Admin Service

Distributed SCADA Networking Rendezvous Port

PCsync HTTPS

Unassigned

Unauthorized Use Known on port 8882

NewsEDGE server TCP (TCP 1)

Known Unauthorized Use on port 8888

Desktop Data TCP 1

Known Unauthorized Use on port 8889

Desktop Data TCP 2

Known Unauthorized Use on port 8890

CSlistener

ETL Service Manager

Known Unauthorized Use on port 9001

Xml-Ipc Server Reg

WAP connectionless session service

Virtual Racing Service

Reserved

De-Assigned on 2023-12-05.

Memory cache service

Administration Server Access

Known Unauthorized Use on port 16000

Unassigned

Known Unauthorized Use on port 18259

Unassigned

Unauthorized Use Known on port 24727

Mongo database system

NX License Manager

Unauthorized Use Known on port 28000

IP Multicast Traceroute

Known Unauthorized Use on port 33435