Port Reference
Search common TCP and UDP ports with service names, protocols, categories, and IANA status
Search & Filter
108 of 108 ports
About this tool
The Port Reference is a curated lookup for common TCP and UDP port numbers — HTTP, HTTPS, SSH, database engines, mail protocols, and developer services. Search by port number or service name without any network access.
How to use
Search
Type a port number or service keyword.
Filter
Pick a category such as web, database, or mail.
Inspect
Select a row for protocol, IANA status, and usage notes.
Use cases
Firewall rules
Confirm which port a service expects before opening inbound rules.
Debug connections
Identify whether 3306, 5432, or 6379 maps to MySQL, PostgreSQL, or Redis.
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