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Common Ports Reference
A quick reference guide for well-known network ports and their associated services.
Ports List (30 found)
20

FTP

File Transfer Protocol (Data Transfer)

System
21

FTP

File Transfer Protocol (Control Command)

System
22

SSH

Secure Shell

System
23

Telnet

Remote login service, unencrypted

System
25

SMTP

Simple Mail Transfer Protocol

System
53

DNS

Domain Name System

System
80

HTTP

Hypertext Transfer Protocol

System
110

POP3

Post Office Protocol version 3

System
143

IMAP

Internet Message Access Protocol

System
443

HTTPS

Hypertext Transfer Protocol Secure

System
587

SMTP

Simple Mail Transfer Protocol (Message Submission)

System
993

IMAPS

Internet Message Access Protocol Secure

System
995

POP3S

Post Office Protocol version 3 Secure

System
1080

SOCKS

SOCKS proxy

User
1433

Microsoft SQL

Microsoft SQL Server

User
1521

Oracle

Oracle database

User
2082

cPanel

cPanel default port

User
2083

cPanel

cPanel SSL default port

User
2222

DirectAdmin

DirectAdmin default port

User
3000

Dev Server

Commonly used for Node.js and other web development servers

User
3306

MySQL

MySQL database

User
3389

RDP

Remote Desktop Protocol

User
5000

Dev Server

Commonly used for Python (Flask/Django) development servers

User
5432

PostgreSQL

PostgreSQL database

User
5900

VNC

Virtual Network Computing

User
6379

Redis

Redis key-value store

User
8000

Dev Server

Common alternative for web development servers

User
8080

Dev Server

Common alternative for web servers and development

User
8888

Jupyter

Commonly used for Jupyter Notebook

User
27017

MongoDB

MongoDB database default port

User