Port 3483Slim Devices Discovery
Slim Devices Discovery Protocol is used primarily by Logitech Media Server and Squeezebox devices for automatic network device discovery and communication. It facilitates the identification and management of audio devices within a local network environment, simplifying setup and connectivity for home media streaming solutions. This protocol operates primarily over UDP to enable lightweight broadcast queries and responses, crucial for seamless media device integration..
- transport
- udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 9,704
single transport
payload readable on path
registered with iana
caution
rank 494 of 993 · top 50%
1 other service is registered on port 3483. compare all 2 →
Technical Details
what runs on :3483The Slim Devices Discovery Protocol, operating over UDP port 3483, is designed for service discovery within a local area network (LAN). Devices like Squeezebox players utilize this protocol to announce their availability and detect Logitech Media Servers without manual configuration. The protocol leverages broadcast and multicast mechanisms to propagate discovery requests, enabling plug-and-play experiences for the user.
Typically, when a Squeezebox device powers up, it sends out broadcast packets on UDP port 3483 to locate a compatible Logitech Media Server. The server responds with its details, facilitating rapid establishment of a streaming session. The simplicity of the protocol ensures minimal overhead, leading to faster device detection and connection times.
Internally, the protocol may carry device information such as IP address, hostname, capabilities, and firmware versions. Its design prioritizes efficiency for low-bandwidth network environments while supporting large-scale home media setups spanning multiple devices.
Security Information
exposure of :3483risk 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
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common Vulnerabilities:
- Susceptible to spoofing attacks where malicious actors mimic legitimate device broadcasts, potentially misleading clients.
- Can be leveraged for information disclosure, revealing device details to unauthorized users within the same network segment.
- Denial of Service (DoS) possibilities through broadcast flooding, overwhelming devices and servers.
Common Mitigations:
- Segment network traffic using VLANs or firewall policies to restrict discovery protocol packets strictly to trusted network zones.
- Employ network monitoring to detect anomalous broadcast or multicast traffic indicative of spoofing or DoS attempts.
- Regularly update device firmware and server software to patch known vulnerabilities.
- Disable device discovery features on networks where automated detection is unnecessary or could pose risks.
Related Ports
the 8 most looked-up other ports in streaming — 30 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8888 | GNUmp3d Streaming HTTP | TCP | Web Services | caution | 76.3k |
| :8000 | Alternate HTTP / SHOUTcast | TCP | Web Services | caution | 45.0k |
| :8880 | Windows Media SOAP Connector | TCP | Streaming | caution | 24.3k |
| :5001 | Slingbox | TCP | Streaming | caution | 22.4k |
| :1220 | QTSS Admin | TCP | Streaming | safe | 20.6k |
| :19294 | Google Talk Voice/Video | TCP | Streaming | caution | 16.6k |
| :12013 | Audition Korea Server | TCPUDP | Streaming | caution | 14.5k |
| :9000 | SqueezeCenter | TCP | Web Services | caution | 14.4k |
risk mix of the 8 listed
- safe13%
- caution88%
0 of 8 encrypted