Look up common TCP/UDP port numbers — search by port, service name, or keyword
Protocol
Category
Showing 65 of 65 ports
HTTP
HTTPS
HTTP Alternate
HTTPS Alternate
Jupyter / HTTP Alt
SMTP
POP3
IMAP
SMTPS
SMTP Submission
IMAPS
POP3S
FTP Data
FTP Control
TFTP
SMB / CIFS
NFS
SSH / SCP / SFTP
Telnet
RDP
VNC
WinRM HTTP
WinRM HTTPS
Kerberos
LDAP
Kerberos kpasswd
LDAPS
RADIUS Authentication
RADIUS Accounting
LDAP Global Catalog
LDAPS Global Catalog
Microsoft SQL Server
SQL Server Browser
Oracle Database
MySQL / MariaDB
PostgreSQL
Redis
Elasticsearch REST API
MongoDB
DNS
DHCP Server
DHCP Client
NTP
MS-RPC / DCOM
NetBIOS Name Service
NetBIOS Datagram
NetBIOS Session
BGP
Syslog
LPD / LPR
RIP
VXLAN
SNMP
SNMP Trap
NRPE
Prometheus
Prometheus Node Exporter
IKE / IPsec
OpenVPN
L2TP
PPTP
IPsec NAT Traversal
SIP
SIPS (SIP over TLS)
WireGuard