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// Other services

Port 1806: Musiconline

Port 1806 is assigned by IANA to musiconline (Musiconline).

1806

How musiconline works

Other services
client:1806musiconlineresponse client:1806musiconlineresponse

The client sends a request to port 1806 and the musiconline service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 1806 dangerous?

We have no specific security note for port 1806. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 1806

ServicePortTransportDescriptionReferenceUpdated
musiconline 1806 TCP, UDP Musiconline - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1806, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1806'      # process listening on 1806
sudo lsof -nP -i :1806

macOS

sudo lsof -nP -i :1806

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1806 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1806
netstat -ano | findstr :1806

From another machine

nmap -p 1806 -sV <host>
sudo nmap -sU -p 1806 <host>
nc -zv <host> 1806

Block it in the firewall

sudo ufw deny 1806/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1806" -Direction Inbound -LocalPort 1806 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1806 used for?

Port 1806 is assigned by IANA to musiconline (Musiconline).

Is port 1806 TCP or UDP?

Port 1806 is registered for TCP and UDP.

Is it safe to open port 1806?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 1806 is open?

On Linux run "ss -ltnup 'sport = :1806'", on macOS "lsof -nP -i :1806", and on Windows "netstat -ano | findstr :1806" to see the local process. From another machine, "nmap -p 1806 <host>" shows whether it is reachable.

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