CyberHunter
// Media & streaming

Port 1516: Virtual Places Audio data

Port 1516 is assigned by IANA to vpad (Virtual Places Audio data).

1516

How vpad works

Media & streaming
playercameravpad playercameravpad

The device streams video frames over port 1516, 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 1516 dangerous?

We have no specific security note for port 1516. 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 1516

ServicePortTransportDescriptionReferenceUpdated
vpad 1516 TCP, UDP Virtual Places Audio data - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1516, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1516'      # process listening on 1516
sudo lsof -nP -i :1516

macOS

sudo lsof -nP -i :1516

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1516 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1516
netstat -ano | findstr :1516

From another machine

nmap -p 1516 -sV <host>
sudo nmap -sU -p 1516 <host>
nc -zv <host> 1516

Block it in the firewall

sudo ufw deny 1516/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1516" -Direction Inbound -LocalPort 1516 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1516 used for?

Port 1516 is assigned by IANA to vpad (Virtual Places Audio data).

Is port 1516 TCP or UDP?

Port 1516 is registered for TCP and UDP.

Is it safe to open port 1516?

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 1516 is open?

On Linux run "ss -ltnup 'sport = :1516'", on macOS "lsof -nP -i :1516", and on Windows "netstat -ano | findstr :1516" to see the local process. From another machine, "nmap -p 1516 <host>" shows whether it is reachable.

05 Related