Port 5282Marimba Transmitter (Castanet)

Port 5282 is associated with Marimba Castanet Transmitter, which distributes software and other content to client Tuners.

inFile Transfer Network Services

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

also known as transmit-port, Castanet Transmitter

Technical Details

what runs on :5282

Marimba Transmitter is a proprietary service for distributing Castanet channels and their content to client Tuners. IANA lists both TCP and UDP for this assignment; the port number identifies the service, but its wire protocol and framing are not a broadly standardized interface. Do not infer a particular handshake or related-port requirement from the registry entry alone.

Security Information

exposure of :5282

risk score

2/ 10safe

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

file transfer averages 3.4 across 184 ports — this one sits 1.4 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

This is a legacy, uncommon service rather than a routinely exposed internet service. Keep it on trusted networks and restrict access to expected clients; the proprietary protocol and limited visibility make it difficult to assess an exposed instance from the port number alone. No specific public vulnerability is asserted here.

Record

iana registry entry

port: :5282
service: Marimba Transmitter (Castanet)
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 2/10safe
category: File Transfer Network Services
usage: This assignment refers to the Marimba Transmitter service in the Castanet content-distribution system. Engineers are most likely to encounter it in legacy Marimba deployments, where Transmitters serve content to Castanet Tuner clients.
lookups: 0rank 993
added: 2026-10-07
updated: 2026-10-07
references: IANA service name registry — port 5282

Something wrong?

This record is maintained by the engineers who use port 5282. 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 2026-10-07.

01edit any field on a page of its own
02a model checks it for accuracy and spam
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edit this record →back to the registry

Related Ports

all 184 in file transfer →

the 8 most looked-up other ports in file transfer — 184 ports carry that label.

port	service	proto	category	risk	views
:9080	Groove RPC	TCPUDP	Web Services	caution	70.8k
:17500	Dropbox LAN Sync	TCPUDP	File Transfer	caution	43.7k
:548	Apple Filing Protocol	TCP	File Transfer	caution	36.8k
:7000	Vuze HTTPS Tracker	TCPtls	Security	caution	28.9k
:1337	PowerFolder P2P	TCP	Security	caution	27.1k
:9001	SharePoint Authoring		Web Services	caution	26.3k
:8080	FilePhile Relay	UDP	File Transfer	caution	25.6k
:1337	WASTE Encrypted Sharing	TCP	Security	caution	22.9k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :5282Marimba Transmitter (Castanet)

Technical Details

Security Information

Related Ports

Port 5282Marimba Transmitter (Castanet)