CyberHunter
// Media & streaming

Port 583: Philips Video-Conferencing

Port 583 is assigned by IANA to philips-vc (Philips Video-Conferencing).

583

How philips-vc works

Media & streaming
playercameraphilips-vc playercameraphilips-vc

The device streams video frames over port 583, 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
Well-known (0-1023)
01 Security

Is port 583 dangerous?

We have no specific security note for port 583. 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 583

ServicePortTransportDescriptionReferenceUpdated
philips-vc 583 TCP, UDP Philips Video-Conferencing - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 583, and is it reachable?

Linux

sudo ss -ltnup 'sport = :583'      # process listening on 583
sudo lsof -nP -i :583

macOS

sudo lsof -nP -i :583

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 583 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 583
netstat -ano | findstr :583

From another machine

nmap -p 583 -sV <host>
sudo nmap -sU -p 583 <host>
nc -zv <host> 583

Block it in the firewall

sudo ufw deny 583/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 583" -Direction Inbound -LocalPort 583 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 583 used for?

Port 583 is assigned by IANA to philips-vc (Philips Video-Conferencing).

Is port 583 TCP or UDP?

Port 583 is registered for TCP and UDP.

Is it safe to open port 583?

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 583 is open?

On Linux run "ss -ltnup 'sport = :583'", on macOS "lsof -nP -i :583", and on Windows "netstat -ano | findstr :583" to see the local process. From another machine, "nmap -p 583 <host>" shows whether it is reachable.

05 Related