Port 3689DAAP (iTunes Music Sharing)

Digital Audio Access Protocol (DAAP) enables the sharing of digital audio content across a local network, primarily designed and utilized by Apple's iTunes and compatible devices such as AirPort Express. It allows users to browse and enjoy music libraries on remote devices seamlessly, facilitating multi-device streaming within home or office environments..

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
4/10

caution

lookups
9,216

rank 523 of 993 · top 53%

Technical Details

what runs on :3689

The Digital Audio Access Protocol (DAAP) is a proprietary protocol developed by Apple Inc. to support the sharing and streaming of music libraries, primarily within the iTunes ecosystem. DAAP operates over TCP port 3689 to handle communication between clients like iTunes and DAAP-compatible servers. It leverages HTTP-style requests and responses, enabling music browsing, metadata retrieval, and audio file streaming.

Fundamentally, DAAP extends traditional HTTP protocols with Apple-specific extensions tailored for efficient music data management. It uses customized MIME types and playlist management features, facilitating organized music access. Additionally, DAAP supports smart playlists and searching, enhancing the user experience across interconnected Apple devices.

DAAP typically functions over trusted local networks and lacks inherent encryption mechanisms. Although well-integrated within Apple’s ecosystem, DAAP interoperability with third-party clients exists via reverse-engineered implementations, expanding its use beyond just iTunes but still largely within private network boundaries.

Security Information

exposure of :3689

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

streaming averages 3.6 across 30 ports — this one sits 0.4 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp

every listening transport is another surface to filter at the edge

security overview

Common Vulnerabilities:

  • Lack of encryption makes DAAP susceptible to eavesdropping and unauthorized interception on insecure networks.
  • Default open sharing settings can unintentionally expose large media libraries.
  • Potential for exploitation through unpatched vulnerabilities in DAAP server implementations, including buffer overflows and denial of service attacks.

Common Mitigations:

  • Restrict DAAP server availability to trusted, private networks only.
  • Use strong network segmentation and proper firewall rules to limit exposure.
  • Enable device-level authentication and sharing permissions to prevent unauthorized access.
  • Keep client and server software updated to mitigate known vulnerabilities.

the 8 most looked-up other ports in streaming — 30 ports carry that label.

risk mix of the 8 listed

  • safe13%
  • caution88%

0 of 8 encrypted