Port Reference

File Transfer Protocol (Data)

File Transfer Protocol (Control)

Secure Shell

Telnet

Simple Mail Transfer Protocol

Domain Name System

Dynamic Host Configuration Protocol (Server)

Dynamic Host Configuration Protocol (Client)

Trivial File Transfer Protocol

Hypertext Transfer Protocol

Post Office Protocol v3

Network News Transfer Protocol

Network Time Protocol

Internet Message Access Protocol

Simple Network Management Protocol

Internet Relay Chat

HTTP Secure

SMTP Secure

System Logging

SMTP (Email Submission)

IMAP Secure

POP3 Secure

Microsoft SQL Server

Oracle Database

Node.js Development Server

MySQL Database

Remote Desktop Protocol

Flask Dev Server / Docker Registry

PostgreSQL Database

RabbitMQ Message Broker

Virtual Network Computing

Redis Database

Django Development Server

HTTP Alternative / Tomcat

HTTPS Alternative

Elasticsearch REST API

Elasticsearch Transport

MongoDB Database