Common Ports

Reference guide for common network ports and services.

Web Services

80
HTTP
TCP
tcp

Hypertext Transfer Protocol

443
HTTPS
TCP
tcp

HTTP Secure (SSL/TLS)

8080
HTTP Alt
TCP
tcp

Alternative HTTP port

8443
HTTPS Alt
TCP
tcp

Alternative HTTPS port

3000
Dev Server
TCP
tcp

Common development server port

Email

25
SMTP
TCP
tcp

Simple Mail Transfer Protocol

110
POP3
TCP
tcp

Post Office Protocol v3

143
IMAP
TCP
tcp

Internet Message Access Protocol

465
SMTPS
TCP
tcp

SMTP over SSL

587
SMTP
TCP
tcp

SMTP (submission)

993
IMAPS
TCP
tcp

IMAP over SSL

995
POP3S
TCP
tcp

POP3 over SSL

File Transfer

20
FTP Data
TCP
tcp

File Transfer Protocol (Data)

21
FTP
TCP
tcp

File Transfer Protocol (Control)

22
SSH/SFTP
TCP
tcp

Secure Shell / Secure FTP

69
TFTP
UDP
udp

Trivial File Transfer Protocol

989
FTPS Data
TCP
tcp

FTP over SSL (Data)

990
FTPS
TCP
tcp

FTP over SSL (Control)

Database

1433
MSSQL
TCP
tcp

Microsoft SQL Server

3306
MySQL
TCP
tcp

MySQL Database

5432
PostgreSQL
TCP
tcp

PostgreSQL Database

6379
Redis
TCP
tcp

Redis Key-Value Store

27017
MongoDB
TCP
tcp

MongoDB Database

9200
Elasticsearch
TCP
tcp

Elasticsearch HTTP

Remote Access

22
SSH
TCP
tcp

Secure Shell

23
Telnet
TCP
tcp

Telnet (insecure)

3389
RDP
TCP
tcp

Remote Desktop Protocol

5900
VNC
TCP
tcp

Virtual Network Computing

DNS & Network

53
DNS
TCP/UDP
both

Domain Name System

67
DHCP Server
UDP
udp

Dynamic Host Configuration

68
DHCP Client
UDP
udp

DHCP Client

161
SNMP
UDP
udp

Simple Network Management

162
SNMP Trap
UDP
udp

SNMP Trap

Messaging & Queue

5672
AMQP
TCP
tcp

RabbitMQ / Advanced Message Queue

9092
Kafka
TCP
tcp

Apache Kafka

1883
MQTT
TCP
tcp

Message Queue Telemetry Transport

Monitoring & Logging

9090
Prometheus
TCP
tcp

Prometheus Monitoring

3000
Grafana
TCP
tcp

Grafana Dashboard

5601
Kibana
TCP
tcp

Kibana (ELK Stack)

9200
Elasticsearch
TCP
tcp

Elasticsearch