- 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 583: Philips Video-Conferencing
Port 583 is assigned by IANA to philips-vc (Philips Video-Conferencing).
How philips-vc works
Media & streamingThe 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)
- Category
- Media & streaming
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:
IANA registry entries for port 583
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| philips-vc | 583 | TCP, UDP | Philips Video-Conferencing | - | - |
// source: IANA service name and port number registry
Which program uses port 583, and is it reachable?
Linux
sudo ss -ltnup 'sport = :583' # process listening on 583
sudo lsof -nP -i :583macOS
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
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.