Network Basic
Contents
Official Port Ranges (IANA)
| Port Range | Description | Use case |
|---|---|---|
| 0–1023 | Well-known ports (privileged) | Standard public protocols (HTTP=80, HTTPS=443, SSH=22, etc.) |
| 1024–49151 | Registered ports (user-assigned) | Public apps, common services |
| 49152–65535 | Dynamic/private (ephemeral) ports | Internal use, temporary connections, app backends |
Public apps
- MySQL: 3306
- Redis: 6379