- 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 1517: Virtual Places Audio control
Port 1517 is assigned by IANA to vpac (Virtual Places Audio control).
1517
How vpac works
Media & streamingThe device streams video frames over port 1517, 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 1517 dangerous?
We have no specific security note for port 1517. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 1517
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| vpac | 1517 | TCP, UDP | Virtual Places Audio control | - | - |
// source: IANA service name and port number registry
Which program uses port 1517, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1517' # process listening on 1517
sudo lsof -nP -i :1517macOS
sudo lsof -nP -i :1517
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1517 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1517 netstat -ano | findstr :1517
From another machine
nmap -p 1517 -sV <host> sudo nmap -sU -p 1517 <host> nc -zv <host> 1517
Block it in the firewall
sudo ufw deny 1517/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1517" -Direction Inbound -LocalPort 1517 -Protocol TCP -Action Block # Windows
What is port 1517 used for?
Port 1517 is assigned by IANA to vpac (Virtual Places Audio control).
Is port 1517 TCP or UDP?
Port 1517 is registered for TCP and UDP.
Is it safe to open port 1517?
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 1517 is open?
On Linux run "ss -ltnup 'sport = :1517'", on macOS "lsof -nP -i :1517", and on Windows "netstat -ano | findstr :1517" to see the local process. From another machine, "nmap -p 1517 <host>" shows whether it is reachable.