- Require authentication on cameras and media servers.
- Keep IP cameras and recorders off the Internet; use a VPN for remote viewing.
- Update device firmware.
Port 9667: Cross-platform Music Multiplexing System
Port 9667 is assigned by IANA to xmms2 (Cross-platform Music Multiplexing System).
How xmms2 works
Media & streamingThe 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)
- Category
- Media & streaming
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:
IANA registry entries for port 9667
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| xmms2 | 9667 | TCP, UDP | Cross-platform Music Multiplexing System | - | 2009-04-14 |
// source: IANA service name and port number registry
Which program uses port 9667, and is it reachable?
Linux
sudo ss -ltnup 'sport = :9667' # process listening on 9667
sudo lsof -nP -i :9667macOS
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
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.