Port 3689: DAAP
Port 3689 is DAAP, the Digital Audio Access Protocol that iTunes and compatible apps use to share a music library over a local network. It is the protocol behind classic iTunes home sharing.
TCPVoIP & streamingUnencrypted by defaultIANA assigned
| Port number | 3689 |
|---|---|
| Service | Digital Audio Access Protocol |
| Protocol | TCP |
| Category | VoIP & streaming |
| Default encryption | No |
Security note. Port 3689 is not encrypted by default. Restrict it to trusted networks, or use an encrypted alternative where one exists, to avoid exposing credentials and data in transit.
Frequently asked questions
What is port 3689 used for?
Port 3689 is DAAP, the Digital Audio Access Protocol that iTunes and compatible apps use to share a music library over a local network. It is the protocol behind classic iTunes home sharing.
Is port 3689 TCP or UDP?
Port 3689 (DAAP) uses TCP.
Is port 3689 secure?
Port 3689 is not encrypted by default. Where possible, use an encrypted alternative or tunnel it over TLS or a VPN.
Should I open port 3689 on my firewall?
Only if you specifically need DAAP. Expose it to the smallest set of trusted sources, and never open database or Windows-service ports to the whole internet.