Port numbers
Well-known network ports with protocol and service.
IANA · 80 entries
- 20FTP (data transfer)TCP
- 21FTP (control)TCP
- 22SSH — secure shell, SFTP and port forwardingTCP
- 23Telnet (unencrypted remote login, legacy)TCP
- 25SMTP — mail transfer between serversTCP
- 53DNS — domain name resolutionTCP/UDP
- 67DHCP serverUDP
- 68DHCP clientUDP
- 69TFTP — trivial file transferUDP
- 80HTTP — unencrypted web trafficTCP
- 110POP3 — mail retrievalTCP
- 119NNTP — Usenet newsTCP
- 123NTP — network time synchronizationUDP
- 135Microsoft RPC endpoint mapperTCP
- 137NetBIOS name serviceUDP
- 139NetBIOS session serviceTCP
- 143IMAP — mail accessTCP
- 161SNMP — network monitoringUDP
- 162SNMP trapsUDP
- 179BGP — border gateway protocol routingTCP
- 194IRC — internet relay chatTCP
- 389LDAP — directory servicesTCP/UDP
- 443HTTPS — encrypted web traffic (TLS; UDP for HTTP/3 QUIC)TCP/UDP
- 445SMB — Windows file sharingTCP
- 465SMTPS — mail submission over implicit TLSTCP
- 500IKE — IPsec key exchangeUDP
- 514Syslog — system loggingUDP
- 515LPD — line printer daemonTCP
- 587SMTP mail submission (STARTTLS)TCP
- 631IPP — internet printing protocol (CUPS)TCP/UDP
- 636LDAPS — LDAP over TLSTCP
- 853DNS over TLSTCP
- 873rsync file synchronizationTCP
- 902VMware ESXi managementTCP
- 989FTPS dataTCP
- 990FTPS controlTCP
- 993IMAPS — IMAP over TLSTCP
- 995POP3S — POP3 over TLSTCP
- 1080SOCKS proxyTCP
- 1194OpenVPNTCP/UDP
- 1433Microsoft SQL ServerTCP
- 1521Oracle database listenerTCP
- 1701L2TP VPN tunnelingUDP
- 1723PPTP VPN (legacy)TCP
- 1812RADIUS authenticationUDP
- 1813RADIUS accountingUDP
- 1883MQTT — IoT messagingTCP
- 2049NFS — network file systemTCP/UDP
- 2082cPanelTCP
- 2083cPanel over TLSTCP
- 2181Apache ZooKeeperTCP
- 2375Docker daemon (unencrypted)TCP
- 2376Docker daemon (TLS)TCP
- 3000Common dev server (Node.js, Rails, Grafana)TCP
- 3128Squid proxyTCP
- 3306MySQL / MariaDB databaseTCP
- 3389RDP — Windows remote desktopTCP
- 4369Erlang port mapper (RabbitMQ)TCP
- 5060SIP — VoIP signalingTCP/UDP
- 5061SIP over TLSTCP
- 5222XMPP — instant messaging clientTCP
- 5353mDNS — multicast DNS (Bonjour/Avahi)UDP
- 5432PostgreSQL databaseTCP
- 5671AMQP over TLS (RabbitMQ)TCP
- 5672AMQP (RabbitMQ)TCP
- 5900VNC remote desktopTCP
- 6379Redis key-value storeTCP
- 6443Kubernetes API serverTCP
- 6667IRC (classic)TCP
- 8000Common dev/alt HTTP portTCP
- 8080HTTP alternate — proxies and app serversTCP
- 8443HTTPS alternateTCP
- 8883MQTT over TLSTCP
- 9000PHP-FPM / SonarQube / MinIOTCP
- 9090Prometheus monitoringTCP
- 9092Apache KafkaTCP
- 9200Elasticsearch REST APITCP
- 9418Git protocolTCP
- 11211MemcachedTCP
- 27017MongoDB databaseTCP