Port Number Lookup

Look up well-known port numbers

Port Number Lookup

Search well-known port numbers and their services

20

FTP Data

File Transfer Protocol (data)

21

FTP Control

File Transfer Protocol (control)

22

SSH

Secure Shell

23

Telnet

Telnet (unencrypted)

25

SMTP

Simple Mail Transfer Protocol

53

DNS

Domain Name System

67

DHCP Server

Dynamic Host Configuration

68

DHCP Client

Dynamic Host Configuration

80

HTTP

HyperText Transfer Protocol

110

POP3

Post Office Protocol v3

123

NTP

Network Time Protocol

143

IMAP

Internet Message Access Protocol

161

SNMP

Simple Network Management Protocol

194

IRC

Internet Relay Chat

443

HTTPS

HTTP Secure (TLS/SSL)

465

SMTPS

SMTP over TLS

514

Syslog

System Logging Protocol

587

SMTP Submission

SMTP mail submission

636

LDAPS

LDAP over TLS

993

IMAPS

IMAP over TLS

995

POP3S

POP3 over TLS

1433

MSSQL

Microsoft SQL Server

1521

Oracle

Oracle Database

3306

MySQL

MySQL Database

3389

RDP

Remote Desktop Protocol

5432

PostgreSQL

PostgreSQL Database

5672

AMQP

Advanced Message Queuing Protocol

5900

VNC

Virtual Network Computing

6379

Redis

Redis Database

8080

HTTP Alt

HTTP Alternative

8443

HTTPS Alt

HTTPS Alternative

9200

Elasticsearch

Elasticsearch REST API

27017

MongoDB

MongoDB Database