🔌 Networking
Port & Protocol Reference
Searchable reference of 200+ well-known TCP and UDP ports. Filter by category — web, databases, DevOps, email, security and more. Click any row for details.
📖 How to Use This Tool
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1
Search for a port number or service name in the search bar
2
Filter by category (Database, DevOps, Security, etc.)
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Toggle between TCP, UDP or ALL protocols
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Click column headers to sort by port number, name or category
📝 Examples
Find port
Input: Search: 5432
Output: PostgreSQL — TCP, Database
Find by service
Input: Search: redis
Output: 6379 — Redis in-memory data store
Port ranges: Well-known ports are 0–1023 (require root/admin). Registered ports are 1024–49151. Dynamic/ephemeral ports are 49152–65535. Always check your OS firewall and security groups when exposing ports.