Reference for common network ports and their services. Click a port number to copy.
114 ports
| Port ↑ | Protocol | Service | Description | Category |
|---|---|---|---|---|
| TCP | FTP Data | File Transfer Protocol data transfer | File Transfer | |
| TCP | FTP Control | File Transfer Protocol command control | File Transfer | |
| TCP | SSH | Secure Shell remote login and command execution | Remote Access | |
| TCP | Telnet | Unencrypted text communications (legacy) | Remote Access | |
| TCP | SMTP | Simple Mail Transfer Protocol for sending email | ||
| TCP/UDP | DNS | Domain Name System for resolving domain names | Network | |
| UDP | DHCP Server | Dynamic Host Configuration Protocol server | Network | |
| UDP | DHCP Client | Dynamic Host Configuration Protocol client | Network | |
| UDP | TFTP | Trivial File Transfer Protocol | File Transfer | |
| TCP | HTTP | Hypertext Transfer Protocol for web traffic | Web | |
| TCP/UDP | Kerberos | Network authentication protocol | Authentication | |
| TCP | POP3 | Post Office Protocol v3 for retrieving email | ||
| TCP | NNTP | Network News Transfer Protocol | Network | |
| UDP | NTP | Network Time Protocol for time synchronization | Network | |
| UDP | NetBIOS Name | NetBIOS Name Service | Windows | |
| UDP | NetBIOS Datagram | NetBIOS Datagram Service | Windows | |
| TCP | NetBIOS Session | NetBIOS Session Service | Windows | |
| TCP | IMAP | Internet Message Access Protocol for email | ||
| UDP | SNMP | Simple Network Management Protocol | Network | |
| UDP | SNMP Trap | SNMP Trap messages | Network | |
| TCP | BGP | Border Gateway Protocol | Network | |
| TCP | IRC | Internet Relay Chat | Messaging | |
| TCP/UDP | LDAP | Lightweight Directory Access Protocol | Directory | |
| TCP | HTTPS | HTTP Secure (TLS/SSL encrypted) | Web | |
| TCP | SMB | Server Message Block / Microsoft-DS | Windows | |
| TCP/UDP | Kerberos Change | Kerberos Change/Set Password | Authentication | |
| TCP | SMTPS | SMTP over SSL (deprecated, use 587) | ||
| UDP | IKE | Internet Key Exchange for IPSec VPN | VPN | |
| UDP | Syslog | System logging protocol | Network | |
| TCP | LPD | Line Printer Daemon | Printing | |
| UDP | RIP | Routing Information Protocol | Network | |
| TCP | Klogin | Kerberos login | Authentication | |
| TCP | Kshell | Kerberos remote shell | Authentication | |
| UDP | DHCPv6 Client | DHCPv6 client | Network | |
| UDP | DHCPv6 Server | DHCPv6 server | Network | |
| TCP | SMTP Submission | Email message submission (recommended) | ||
| TCP/UDP | IPP/CUPS | Internet Printing Protocol / CUPS | Printing | |
| TCP | LDAPS | LDAP over SSL/TLS | Directory | |
| TCP | rsync | File synchronization protocol | File Transfer | |
| TCP | FTPS Data | FTP over TLS data | File Transfer | |
| TCP | FTPS Control | FTP over TLS control | File Transfer | |
| TCP | IMAPS | IMAP over SSL/TLS | ||
| TCP | POP3S | POP3 over SSL/TLS | ||
| TCP | SOCKS | SOCKS proxy protocol | Proxy | |
| UDP | OpenVPN | OpenVPN tunnel | VPN | |
| TCP | MSSQL | Microsoft SQL Server | Database | |
| UDP | MSSQL Browser | Microsoft SQL Server Browser | Database | |
| TCP | Oracle DB | Oracle Database listener | Database | |
| UDP | L2TP | Layer 2 Tunneling Protocol | VPN | |
| TCP | PPTP | Point-to-Point Tunneling Protocol | VPN | |
| UDP | RADIUS Auth | RADIUS authentication | Authentication | |
| UDP | RADIUS Acct | RADIUS accounting | Authentication | |
| TCP | MQTT | Message Queuing Telemetry Transport | Messaging | |
| TCP/UDP | NFS | Network File System | File Transfer | |
| TCP | cPanel | cPanel default | Web | |
| TCP | cPanel SSL | cPanel SSL | Web | |
| TCP | ZooKeeper | Apache ZooKeeper client | Distributed | |
| TCP | Docker | Docker REST API (unencrypted) | Containers | |
| TCP | Docker TLS | Docker REST API (TLS) | Containers | |
| TCP | Docker Swarm | Docker Swarm cluster management | Containers | |
| TCP | Dev Server | Common development server (Node.js, Rails) | Development | |
| TCP | MySQL | MySQL/MariaDB database | Database | |
| TCP | RDP | Remote Desktop Protocol | Remote Access | |
| TCP | Dev Server | Common development server (Phoenix) | Development | |
| TCP | Angular | Angular development server | Development | |
| TCP | EPMD | Erlang Port Mapper Daemon | Distributed | |
| TCP | Pharos | Common HTTPS alternative port | Web | |
| TCP | Salt Pub | SaltStack publish port | DevOps | |
| TCP | Salt Ret | SaltStack return port | DevOps | |
| TCP | Dev Server | Flask/Docker Registry default | Development | |
| TCP | Dev Server | Common development alternative | Development | |
| TCP/UDP | SIP | Session Initiation Protocol | VoIP | |
| TCP | SIP TLS | SIP over TLS | VoIP | |
| TCP | Vite | Vite development server | Development | |
| TCP | XMPP Client | XMPP/Jabber client connection | Messaging | |
| TCP | XMPP Server | XMPP/Jabber server-to-server | Messaging | |
| TCP | PostgreSQL | PostgreSQL database | Database | |
| TCP | AMQP | Advanced Message Queuing Protocol (RabbitMQ) | Messaging | |
| TCP | VNC | Virtual Network Computing | Remote Access | |
| TCP | CouchDB | Apache CouchDB | Database | |
| TCP | Redis | Redis key-value store | Database | |
| TCP | Kubernetes API | Kubernetes API server | Containers | |
| TCP | IRC | IRC (alternate) | Messaging | |
| TCP | IRC | IRC (common) | Messaging | |
| TCP | IRC TLS | IRC over TLS | Messaging | |
| TCP | Cassandra Inter | Cassandra inter-node | Database | |
| TCP | Cassandra SSL | Cassandra SSL inter-node | Database | |
| TCP | Cassandra JMX | Cassandra JMX monitoring | Database | |
| TCP | Dev Server | Common HTTP alternative (Django) | Development | |
| TCP | HTTP Alt | HTTP alternate | Web | |
| TCP | HTTP Proxy | HTTP proxy / alternate HTTP | Web | |
| TCP | HTTP Alt | HTTP alternate / admin panels | Web | |
| TCP | HTTPS Alt | HTTPS alternate | Web | |
| TCP | Eureka | Netflix Eureka service registry | Distributed | |
| TCP | MQTT TLS | MQTT over TLS | Messaging | |
| TCP | HTTP Alt | HTTP alternate / Jupyter | Development | |
| TCP | PHP-FPM | PHP FastCGI Process Manager / SonarQube | Development | |
| TCP | Cassandra CQL | Cassandra native transport | Database | |
| TCP | Prometheus | Prometheus metrics server | Monitoring | |
| TCP | Kafka | Apache Kafka broker | Messaging | |
| TCP | Elasticsearch | Elasticsearch HTTP | Database | |
| TCP | Elasticsearch | Elasticsearch transport | Database | |
| TCP | Git | Git protocol | Development | |
| TCP | Admin | Common admin/debug port | Development | |
| TCP | Webmin | Webmin web-based admin | Web | |
| TCP | Kubelet | Kubernetes Kubelet API | Containers | |
| TCP | Kubelet RO | Kubernetes Kubelet read-only | Containers | |
| TCP/UDP | Memcached | Memcached caching system | Database | |
| TCP | RabbitMQ Mgmt | RabbitMQ management console | Messaging | |
| TCP | MongoDB | MongoDB database | Database | |
| TCP | MongoDB Shard | MongoDB shard server | Database | |
| TCP | MongoDB Config | MongoDB config server | Database | |
| TCP | MongoDB Web | MongoDB web interface (legacy) | Database | |
| TCP | Jenkins Agent | Jenkins agent connection | DevOps |
TCP Connection-oriented, reliable
UDP Connectionless, fast
TCP/UDP Both protocols