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// Other services

Port 6888: MUSE

Port 6888 is assigned by IANA to muse (MUSE).

6888

How muse works

Other services
client:6888museresponse client:6888museresponse

The client sends a request to port 6888 and the muse 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 6888 dangerous?

We have no specific security note for port 6888. 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 6888

ServicePortTransportDescriptionReferenceUpdated
muse 6888 TCP, UDP MUSE - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6888, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6888'      # process listening on 6888
sudo lsof -nP -i :6888

macOS

sudo lsof -nP -i :6888

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6888 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6888
netstat -ano | findstr :6888

From another machine

nmap -p 6888 -sV <host>
sudo nmap -sU -p 6888 <host>
nc -zv <host> 6888

Block it in the firewall

sudo ufw deny 6888/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6888" -Direction Inbound -LocalPort 6888 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6888 used for?

Port 6888 is assigned by IANA to muse (MUSE).

Is port 6888 TCP or UDP?

Port 6888 is registered for TCP and UDP.

Is it safe to open port 6888?

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 6888 is open?

On Linux run "ss -ltnup 'sport = :6888'", on macOS "lsof -nP -i :6888", and on Windows "netstat -ano | findstr :6888" to see the local process. From another machine, "nmap -p 6888 <host>" shows whether it is reachable.

05 Related
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