Common ports reference
TCP and UDP service ports. Searchable.
:20
TCP
FTP-DATA
FTP data transfer
:21
TCP
FTP
FTP control
:22
TCP
SSH
Secure Shell, SFTP
:23
TCP
Telnet
Telnet (insecure)
:25
TCP
SMTP
Email sending
:53
TCP/UDP
DNS
Domain Name System
:67
UDP
DHCP
DHCP server
:68
UDP
DHCP
DHCP client
:69
UDP
TFTP
Trivial File Transfer
:80
TCP
HTTP
Web traffic (insecure)
:88
TCP/UDP
Kerberos
Kerberos authentication
:110
TCP
POP3
Email retrieval (legacy)
:111
TCP/UDP
RPC
Sun RPC, portmapper
:123
UDP
NTP
Network Time Protocol
:135
TCP
RPC
Microsoft RPC
:137
UDP
NetBIOS
NetBIOS name service
:139
TCP
NetBIOS
NetBIOS session
:143
TCP
IMAP
Email IMAP (insecure)
:161
UDP
SNMP
Network management
:162
UDP
SNMP-trap
SNMP traps
:179
TCP
BGP
Border Gateway Protocol
:389
TCP
LDAP
Directory access
:443
TCP
HTTPS
Secure web traffic
:445
TCP
SMB
Windows file sharing
:465
TCP
SMTPS
SMTP over TLS
:514
UDP
Syslog
System logging
:587
TCP
SMTP-sub
SMTP submission
:636
TCP
LDAPS
LDAP over TLS
:873
TCP
rsync
rsync file sync
:902
TCP
vCenter
VMware vCenter
:989
TCP
FTPS
FTPS data
:990
TCP
FTPS
FTPS control
:993
TCP
IMAPS
IMAP over TLS
:995
TCP
POP3S
POP3 over TLS
:1433
TCP
MSSQL
Microsoft SQL Server
:1521
TCP
Oracle
Oracle Database
:2049
TCP/UDP
NFS
Network File System
:3306
TCP
MySQL
MySQL/MariaDB database
:3389
TCP
RDP
Remote Desktop
:4789
UDP
VXLAN
VXLAN tunneling
:5060
TCP/UDP
SIP
VoIP signaling
:5061
TCP
SIPS
SIP over TLS
:5432
TCP
PostgreSQL
PostgreSQL database
:5671
TCP
AMQPS
AMQP over TLS (RabbitMQ)
:5672
TCP
AMQP
RabbitMQ
:6379
TCP
Redis
Redis cache
:6443
TCP
Kubernetes
Kubernetes API
:8080
TCP
HTTP-alt
Alternate HTTP (proxies)
:8443
TCP
HTTPS-alt
Alternate HTTPS
:9000
TCP
misc
PHP-FPM, SonarQube, Portainer
:9090
TCP
Prometheus
Prometheus metrics
:9100
TCP
node-exporter
Prometheus node exporter
:9200
TCP
Elasticsearch
Elasticsearch REST API
:9300
TCP
Elasticsearch
Elasticsearch transport
:9418
TCP
Git
Git protocol
:11211
TCP/UDP
memcached
Memcached
:27017
TCP
MongoDB
MongoDB