Network

Common Port Numbers

Reference list of common TCP and UDP port numbers for web services, databases, email, file transfer, and other network protocols.

Quick Reference

Quick reference for commonly used network port numbers. Ports 0-1023 are "well-known" ports assigned by IANA.

Web & HTTP

Port Protocol Service Description
80 TCP HTTP Unencrypted web traffic
443 TCP HTTPS Encrypted web traffic (TLS/SSL)
8080 TCP HTTP Proxy Common alternative HTTP port
8443 TCP HTTPS Alt Alternative HTTPS port
3000 TCP Dev Server Node.js, React, Rails dev servers
4200 TCP Angular Angular CLI dev server
5000 TCP Flask/ASP.NET Flask, ASP.NET Core default
5173 TCP Vite Vite dev server
8000 TCP Django/PHP Django, PHP built-in server
9000 TCP PHP-FPM PHP FastCGI Process Manager

Databases

Port Protocol Service Description
3306 TCP MySQL MySQL database server
5432 TCP PostgreSQL PostgreSQL database server
1433 TCP MSSQL Microsoft SQL Server
1521 TCP Oracle Oracle database
27017 TCP MongoDB MongoDB database server
6379 TCP Redis Redis cache/database
11211 TCP/UDP Memcached Memcached cache server
9200 TCP Elasticsearch Elasticsearch HTTP
9300 TCP Elasticsearch Elasticsearch transport
5984 TCP CouchDB CouchDB HTTP API
7474 TCP Neo4j Neo4j HTTP interface
7687 TCP Neo4j Neo4j Bolt protocol
8529 TCP ArangoDB ArangoDB HTTP
9042 TCP Cassandra Cassandra CQL
26257 TCP CockroachDB CockroachDB SQL

Email

Port Protocol Service Description
25 TCP SMTP Simple Mail Transfer (unencrypted)
465 TCP SMTPS SMTP over SSL (deprecated)
587 TCP SMTP SMTP submission (STARTTLS)
110 TCP POP3 Post Office Protocol (unencrypted)
995 TCP POP3S POP3 over SSL
143 TCP IMAP Internet Message Access (unencrypted)
993 TCP IMAPS IMAP over SSL

File Transfer

Port Protocol Service Description
20 TCP FTP Data FTP data transfer
21 TCP FTP Control FTP control/command
22 TCP SFTP/SCP Secure file transfer (over SSH)
69 UDP TFTP Trivial File Transfer Protocol
115 TCP SFTP Simple File Transfer Protocol
989 TCP FTPS Data FTP data over TLS
990 TCP FTPS Control FTP control over TLS
873 TCP rsync Remote file synchronization
445 TCP SMB Server Message Block (Windows shares)
139 TCP NetBIOS NetBIOS session service
2049 TCP/UDP NFS Network File System

Remote Access

Port Protocol Service Description
22 TCP SSH Secure Shell
23 TCP Telnet Unencrypted remote login (insecure)
3389 TCP RDP Remote Desktop Protocol (Windows)
5900 TCP VNC Virtual Network Computing
5901-5909 TCP VNC Additional VNC displays

DNS & Directory

Port Protocol Service Description
53 TCP/UDP DNS Domain Name System
389 TCP LDAP Lightweight Directory Access
636 TCP LDAPS LDAP over SSL
88 TCP/UDP Kerberos Authentication protocol
464 TCP/UDP Kerberos Password change

Messaging & Queues

Port Protocol Service Description
5672 TCP AMQP RabbitMQ default
15672 TCP RabbitMQ RabbitMQ management UI
61613 TCP STOMP Streaming Text Message Protocol
1883 TCP MQTT Message Queue Telemetry Transport
8883 TCP MQTTS MQTT over TLS
9092 TCP Kafka Apache Kafka broker
2181 TCP ZooKeeper Apache ZooKeeper
4222 TCP NATS NATS messaging
6650 TCP Pulsar Apache Pulsar binary
8080 TCP Pulsar Apache Pulsar HTTP admin

Monitoring & Logging

Port Protocol Service Description
161 UDP SNMP Simple Network Management
162 UDP SNMP Trap SNMP notifications
514 UDP Syslog System logging
9090 TCP Prometheus Prometheus server
3100 TCP Loki Grafana Loki
3000 TCP Grafana Grafana dashboards
5601 TCP Kibana Elasticsearch Kibana
9411 TCP Zipkin Distributed tracing
16686 TCP Jaeger Jaeger UI
4317 TCP OTLP gRPC OpenTelemetry gRPC
4318 TCP OTLP HTTP OpenTelemetry HTTP

Container & Orchestration

Port Protocol Service Description
2375 TCP Docker Docker daemon (unencrypted)
2376 TCP Docker Docker daemon (TLS)
2377 TCP Docker Swarm Swarm cluster management
6443 TCP Kubernetes Kubernetes API server
10250 TCP Kubelet Kubernetes kubelet API
10255 TCP Kubelet Kubelet read-only
8001 TCP kubectl kubectl proxy default
30000-32767 TCP NodePort Kubernetes NodePort range

Version Control

Port Protocol Service Description
9418 TCP Git Git protocol (native)
22 TCP Git (SSH) Git over SSH
443 TCP Git (HTTPS) Git over HTTPS

Other Common Services

Port Protocol Service Description
123 UDP NTP Network Time Protocol
67 UDP DHCP Server Dynamic Host Configuration
68 UDP DHCP Client DHCP client
500 UDP IKE/ISAKMP VPN key exchange
1194 UDP/TCP OpenVPN OpenVPN
51820 UDP WireGuard WireGuard VPN
1812 UDP RADIUS Authentication
1813 UDP RADIUS Accounting
179 TCP BGP Border Gateway Protocol
5060 UDP/TCP SIP VoIP signaling
5061 TCP SIPS SIP over TLS
10000-20000 UDP RTP VoIP media (typical range)

Port Ranges

Range Name Description
0-1023 Well-known System/root services (IANA assigned)
1024-49151 Registered User/vendor registered with IANA
49152-65535 Dynamic/Private Ephemeral ports for clients

Quick Reference by Use Case

Setting Up a Web Server

  • 80 - HTTP
  • 443 - HTTPS
  • 22 - SSH for administration

Database Server

  • 3306 - MySQL
  • 5432 - PostgreSQL
  • 27017 - MongoDB
  • 6379 - Redis

Mail Server

  • 25 - SMTP (server-to-server)
  • 587 - SMTP submission
  • 993 - IMAPS
  • 995 - POP3S

Development

  • 3000 - Node.js/React
  • 4200 - Angular
  • 5000 - Flask/ASP.NET
  • 8080 - Alternative HTTP

CI/CD & DevOps

  • 8080 - Jenkins
  • 9000 - SonarQube
  • 5000 - Docker Registry
  • 6443 - Kubernetes API
Related Topics
port numbers tcp ports udp ports network ports firewall common ports well-known ports
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