CyberHunter
Local dataset, no network
// Media & streaming

Port 9667: Cross-platform Music Multiplexing System

Port 9667 is assigned by IANA to xmms2 (Cross-platform Music Multiplexing System).

9667

How xmms2 works

Media & streaming
playercameraxmms2 playercameraxmms2

The device streams video frames over port 9667, continuously, as they are captured.

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)
01 Security

Is port 9667 dangerous?

We have no specific security note for port 9667. Its risk depends on the program actually listening on it. General advice for media & streaming services:

  • Require authentication on cameras and media servers.
  • Keep IP cameras and recorders off the Internet; use a VPN for remote viewing.
  • Update device firmware.
02 Registry

IANA registry entries for port 9667

ServicePortTransportDescriptionReferenceUpdated
xmms2 9667 TCP, UDP Cross-platform Music Multiplexing System - 2009-04-14

// source: IANA service name and port number registry

03 Check it

Which program uses port 9667, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9667'      # process listening on 9667
sudo lsof -nP -i :9667

macOS

sudo lsof -nP -i :9667

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9667 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9667
netstat -ano | findstr :9667

From another machine

nmap -p 9667 -sV <host>
sudo nmap -sU -p 9667 <host>
nc -zv <host> 9667

Block it in the firewall

sudo ufw deny 9667/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9667" -Direction Inbound -LocalPort 9667 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9667 used for?

Port 9667 is assigned by IANA to xmms2 (Cross-platform Music Multiplexing System).

Is port 9667 TCP or UDP?

Port 9667 is registered for TCP and UDP.

Is it safe to open port 9667?

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. Require authentication on cameras and media servers.

How do I check if port 9667 is open?

On Linux run "ss -ltnup 'sport = :9667'", on macOS "lsof -nP -i :9667", and on Windows "netstat -ano | findstr :9667" to see the local process. From another machine, "nmap -p 9667 <host>" shows whether it is reachable.

05 Related

Latest vulnerability news

All news