Port 13819DSM-CC Session Messages

DSM-CC session signaling for managing sessions in MPEG-2 interactive and broadcast systems.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 2/10
lookups: 0

also known as Digital Storage Media Command and Control

Technical Details

what runs on :13819

DSM-CC is the Digital Storage Media Command and Control protocol family defined by ISO/IEC 13818-6. Its session messages carry control signaling used to establish and manage sessions between clients and servers in systems such as interactive digital television. IANA assigns port 13819 for these messages over both TCP and UDP; the protocol uses DSM-CC-specific binary messages rather than HTTP. The choice of transport and deployment details depend on the implementation.

Security Information

exposure of :13819

risk score

2/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

network services averages 2.6 across 1,898 ports — this one sits 0.6 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 · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

DSM-CC session traffic is not encrypted by default, so do not assume signaling or session details are confidential. A listener exposed to untrusted networks could receive unsolicited control messages; restrict access to the intended operator or media network. This is an obscure assignment with no indication of routine Internet exposure, and no specific vulnerability is asserted here.

Record

iana registry entry

port: :13819
service: DSM-CC Session Messages
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 2/10safe
category: Network Services Media
usage: DSM-CC (Digital Storage Media Command and Control) session messages are used for session control in MPEG-2 interactive and broadcast systems. The IANA assignment is registered to Tim Addington; this is a specialized protocol, not a commonly exposed public Internet service.
lookups: 0rank 993
added: 2026-10-17
updated: 2026-10-17
references: IANA service name registry — port 13819

Something wrong?

This record is maintained by the engineers who use port 13819. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-17.

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edit this record →back to the registry

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :13819DSM-CC Session Messages

Technical Details

Security Information

Related Ports

Port 13819DSM-CC Session Messages