Port 5004RTP Media Data
Port 5004 is primarily used for carrying Real-time Transport Protocol (RTP) media streams, as specified in RFC 3551 and RFC 4571. RTP is designed for delivering audio and video across IP networks with minimal latency, making it the core protocol behind most real-time audio/video communication services such as VoIP, video conferencing, and streaming media delivery..
- transport
- tcp
- in transit
- cleartext
- assignment
- official
- risk
- 2/10
- lookups
- 12,967
single transport
payload readable on path
registered with iana
safe
rank 289 of 993 · top 29%
Technical Details
what runs on :5004The Real-time Transport Protocol (RTP) enables end-to-end delivery of audio, video, and multimedia over IP networks. Defined in RFC 3551 and RFC 4571, RTP provides framework functions such as payload type identification, sequence numbering for packet loss detection, timestamps for synchronization, and delivery monitoring.
Port 5004 is commonly assigned for RTP media data carriage. While RTP often works alongside the Real-time Control Protocol (RTCP) typically on port 5005, port 5004 is dedicated to the media data streams themselves. RTP packets encapsulate real-time content, such as voice or video frames, wrapped in UDP or TCP datagrams. Although UDP is traditionally favored for low latency transmission, port 5004 can also be negotiated for use over TCP to avoid UDP restrictions or improve firewall traversal.
In practical deployments, RTP over port 5004 supports applications in IP telephony (VoIP), video conferencing, live video streaming, and other interactive multimedia services. It is widely implemented by communication protocols and platforms including SIP, H.323, WebRTC, and streaming servers and clients.
Security Information
exposure of :5004risk score
2/ 10safe
routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.
streaming averages 3.6 across 30 ports — this one sits 1.6 below.
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
- Unauthorized interception leading to eavesdropping of voice or video data
- RTP packet injection which may cause noise or disrupt real-time media sessions
- Potential for amplification attacks if services improperly respond to forged RTP packets
- Exploitation of insecure control or signaling channels (e.g., SIP vulnerabilities affecting RTP session handling)
Common Mitigations
- Employ encryption protocols like SRTP (Secure RTP) to protect media streams in transit
- Use strong authentication and authorization mechanisms on signaling protocols coordinating RTP
- Filter and restrict access to port 5004 at firewalls, allowing only trusted endpoints
- Implement intrusion detection to monitor anomalous or suspicious RTP traffic patterns
- Regularly patch communication service components to address known protocol or implementation weaknesses
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