CyberHunter
// Media & streaming

Port 10540: MOS Media Object Metadata Port

Port 10540 is assigned by IANA to MOS-lower (MOS Media Object Metadata Port).

10540

How MOS-lower works

Media & streaming
playercameraMOS-lower playercameraMOS-lower

The device streams video frames over port 10540, 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 10540 dangerous?

We have no specific security note for port 10540. 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 10540

ServicePortTransportDescriptionReferenceUpdated
MOS-lower 10540 TCP, UDP MOS Media Object Metadata Port - 2007-09-17

// source: IANA service name and port number registry

03 Check it

Which program uses port 10540, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10540'      # process listening on 10540
sudo lsof -nP -i :10540

macOS

sudo lsof -nP -i :10540

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10540 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10540
netstat -ano | findstr :10540

From another machine

nmap -p 10540 -sV <host>
sudo nmap -sU -p 10540 <host>
nc -zv <host> 10540

Block it in the firewall

sudo ufw deny 10540/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10540" -Direction Inbound -LocalPort 10540 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10540 used for?

Port 10540 is assigned by IANA to MOS-lower (MOS Media Object Metadata Port).

Is port 10540 TCP or UDP?

Port 10540 is registered for TCP and UDP.

Is it safe to open port 10540?

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 10540 is open?

On Linux run "ss -ltnup 'sport = :10540'", on macOS "lsof -nP -i :10540", and on Windows "netstat -ano | findstr :10540" to see the local process. From another machine, "nmap -p 10540 <host>" shows whether it is reachable.

05 Related