Port Number Reference
Searchable reference of 60+ common network ports (HTTP, SSH, DBs, dev servers). Category-filtered. Free online — runs locally, no upload.
62 of 62 common ports
| Port | Proto | Service | Description | Category |
|---|---|---|---|---|
| 20 | TCP | FTP-DATA | File Transfer Protocol (data) | File Transfer |
| 21 | TCP | FTP | File Transfer Protocol (control) | File Transfer |
| 22 | TCP | SSH | Secure Shell | Remote Access |
| 23 | TCP | Telnet | Telnet (insecure remote login) | Remote Access |
| 25 | TCP | SMTP | Simple Mail Transfer Protocol | |
| 53 | TCP/UDP | DNS | Domain Name System | Networking |
| 67 | UDP | DHCP | DHCP server | Networking |
| 68 | UDP | DHCP | DHCP client | Networking |
| 69 | UDP | TFTP | Trivial File Transfer Protocol | File Transfer |
| 80 | TCP | HTTP | HyperText Transfer Protocol | Web |
| 110 | TCP | POP3 | Post Office Protocol v3 | |
| 119 | TCP | NNTP | Network News Transfer Protocol | Other |
| 123 | UDP | NTP | Network Time Protocol | Networking |
| 143 | TCP | IMAP | Internet Message Access Protocol | |
| 161 | UDP | SNMP | Simple Network Management Protocol | Networking |
| 162 | UDP | SNMP-TRAP | SNMP Trap | Networking |
| 389 | TCP | LDAP | Lightweight Directory Access Protocol | Directory |
| 443 | TCP | HTTPS | HTTP Secure (TLS/SSL) | Web |
| 445 | TCP | SMB | Server Message Block (file sharing) | File Transfer |
| 465 | TCP | SMTPS | SMTP over SSL | |
| 500 | UDP | ISAKMP | IPsec VPN key exchange | Security |
| 514 | UDP | Syslog | System logging | Networking |
| 587 | TCP | SMTP | SMTP submission (auth required) | |
| 636 | TCP | LDAPS | LDAP over SSL | Directory |
| 873 | TCP | RSYNC | Remote sync | File Transfer |
| 993 | TCP | IMAPS | IMAP over SSL | |
| 995 | TCP | POP3S | POP3 over SSL | |
| 1080 | TCP | SOCKS | SOCKS proxy | Proxy |
| 1194 | UDP | OpenVPN | OpenVPN | Security |
| 1433 | TCP | MSSQL | Microsoft SQL Server | Database |
| 1521 | TCP | Oracle | Oracle Database | Database |
| 1723 | TCP | PPTP | Point-to-Point Tunneling Protocol | Security |
| 2049 | TCP/UDP | NFS | Network File System | File Transfer |
| 3000 | TCP | Node/Next.js | Common dev server port (Node.js, Next.js, React) | Development |
| 3001 | TCP | Dev | Common alternate dev server port | Development |
| 3306 | TCP | MySQL | MySQL / MariaDB Database | Database |
| 3389 | TCP | RDP | Remote Desktop Protocol | Remote Access |
| 4000 | TCP | Dev | Common dev server port (Ruby, Flutter, GraphQL) | Development |
| 4369 | TCP | EPMD | Erlang Port Mapper | Development |
| 5000 | TCP | Flask/Python | Flask / Python dev server | Development |
| 5432 | TCP | PostgreSQL | PostgreSQL Database | Database |
| 5601 | TCP | Kibana | Kibana (Elasticsearch UI) | Development |
| 5672 | TCP | AMQP | RabbitMQ | Messaging |
| 5900 | TCP | VNC | Virtual Network Computing | Remote Access |
| 6379 | TCP | Redis | Redis in-memory data store | Database |
| 6443 | TCP | K8s API | Kubernetes API server | Development |
| 6660 | TCP | IRC | IRC (Internet Relay Chat) | Other |
| 8000 | TCP | Django/Python | Django / Python dev server | Development |
| 8080 | TCP | HTTP-ALT | Alternate HTTP (Tomcat, Jenkins, etc.) | Web |
| 8081 | TCP | HTTP-ALT | Common alternate web server port | Web |
| 8443 | TCP | HTTPS-ALT | Alternate HTTPS | Web |
| 8800 | TCP | Dev | Common dev server port | Development |
| 8888 | TCP | Jupyter | Jupyter Notebook | Development |
| 9000 | TCP | PHP-FPM | PHP-FPM / SonarQube | Development |
| 9042 | TCP | Cassandra | Cassandra CQL native | Database |
| 9090 | TCP | Prometheus | Prometheus / CockroachDB | Development |
| 9092 | TCP | Kafka | Apache Kafka | Messaging |
| 9200 | TCP | Elasticsearch | Elasticsearch HTTP | Database |
| 9300 | TCP | ES | Elasticsearch transport | Database |
| 11211 | TCP | Memcached | Memcached | Database |
| 15672 | TCP | RabbitMQ UI | RabbitMQ Management UI | Messaging |
| 27017 | TCP | MongoDB | MongoDB Database | Database |