Port Reference

Quickly look up popular ports in IT

20

FTP Data

FTP data transfer

File Transfer
21

FTP Control

FTP command/control

File Transfer
22

SSH

Secure Shell, SFTP

Remote Access
23

Telnet

Unencrypted remote access (Don't safe)

Remote Access
25

SMTP

Simple Mail Transfer Protocol

Email
53

DNS

Domain Name System

Network
80

HTTP

Web traffic (unencrypted)

Web
110

POP3

Post Office Protocol v3

Email
143

IMAP

Internet Message Access Protocol

Email
443

HTTPS

HTTP Secure (SSL/TLS)

Web
465

SMTPS

SMTP over SSL

Email
587

SMTP Submission

Email submission (TLS)

Email
993

IMAPS

IMAP over SSL

Email
995

POP3S

POP3 over SSL

Email
3000

Dev Server

Node.js, React, Next.js dev server

Development
3306

MySQL

MySQL/MariaDB database

Database
3389

RDP

Remote Desktop Protocol (Windows)

Remote Access
5000

Flask/Dev

Flask, ASP.NET dev server

Development
5432

PostgreSQL

PostgreSQL database

Database
5672

RabbitMQ

RabbitMQ message broker

Message Queue
6379

Redis

Redis cache/database

Database
8000

Dev Server

Django, Laravel dev server

Development
8080

HTTP Alt

Alternative HTTP, Tomcat, proxy

Web
8443

HTTPS Alt

Alternative HTTPS

Web
9000

PHP-FPM

PHP FastCGI Process Manager

Web
9200

Elasticsearch

Elasticsearch HTTP

Database
9300

Elasticsearch

Elasticsearch transport

Database
27017

MongoDB

MongoDB database

Database
11211

Memcached

Memcached cache

Database
15672

RabbitMQ UI

RabbitMQ management UI

Message Queue

Port Reference Online - Look up popular Network Ports for Developers and SysAdmins

Công cụ tra cứu network ports online miễn phí của Tấn Phát Digital là reference guide không thể thiếu cho developers, system administrators, DevOps engineers, và network engineers. Ports is

Outstanding features

30+ most popular ports in development and operations
Sort by category: Web, Database, Email, Remote Access, Development, Other
Quick search by port number or service name
Copy port number with one click
Vietnamese description for each port and service
Display protocol (TCP/UDP) for each port
Filter by category to quickly find
Clean interface, easy to scan and search
No registration required, instant access
Completely free

Why do developers and sysadmins need to know network ports?

Network ports are an addressing mechanism that allows multiple services to run on the same IP address. Each service

Benefits when used

  • •Quick reference - find ports in seconds instead of Google
  • •No need to remember - bookmark and look up when needed
  • •Clear classification - easy to find by category
  • •Vietnamese - easy-to-understand description for Vietnamese developers
  • •Quick copy - paste into firewall rules, docker-compose, configs
  • •Offline capable - load once, use offline
  • •Comprehensive - covers most popular services
  • •Always updated - add new ports according to trends

Port Reference User Guide

  1. 1Open the tool and browse the list of ports by category
  2. 2Or use the search box to search by port number (Ex: 3306) or service name (Ex: mysql)
  3. 3Click on category tabs to filter: Web, Database, Email, Remote, Development, Other
  4. 4View port information: number, service name, protocol (TCP/UDP), description
  5. 5Click on the port number to copy it to clipboard
  6. 6Paste into firewall rules, docker-compose.yml, security groups, or configs
  7. 7Bookmark the page for quick access when needed

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