CyberHunter
// Media & streaming

Port 3367: Satellite Video Data Link

Port 3367 is assigned by IANA to satvid-datalnk (Satellite Video Data Link).

3367

How satvid-datalnk works

Media & streaming
playercamerasatvid-datalnk playercamerasatvid-datalnk

The device streams video frames over port 3367, continuously, as they are captured.

Transport
None registered
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 3367 dangerous?

We have no specific security note for port 3367. 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 3367

ServicePortTransportDescriptionReferenceUpdated
satvid-datalnk 3367-3371 - Satellite Video Data Link - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3367, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3367'      # process listening on 3367
sudo lsof -nP -i :3367

macOS

sudo lsof -nP -i :3367

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3367 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3367
netstat -ano | findstr :3367

From another machine

nmap -p 3367 -sV <host>
nc -zv <host> 3367

Block it in the firewall

sudo ufw deny 3367/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3367" -Direction Inbound -LocalPort 3367 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3367 used for?

Port 3367 is assigned by IANA to satvid-datalnk (Satellite Video Data Link).

Is port 3367 TCP or UDP?

Port 3367 has no registered transport. Any program can still use it over TCP or UDP.

Is it safe to open port 3367?

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 3367 is open?

On Linux run "ss -ltnup 'sport = :3367'", on macOS "lsof -nP -i :3367", and on Windows "netstat -ano | findstr :3367" to see the local process. From another machine, "nmap -p 3367 <host>" shows whether it is reachable.

05 Related