- 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 3367: Satellite Video Data Link
Port 3367 is assigned by IANA to satvid-datalnk (Satellite Video Data Link).
How satvid-datalnk works
Media & streamingThe 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)
- Category
- Media & streaming
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:
IANA registry entries for port 3367
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| satvid-datalnk | 3367-3371 | - | Satellite Video Data Link | - | - |
// source: IANA service name and port number registry
Which program uses port 3367, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3367' # process listening on 3367
sudo lsof -nP -i :3367macOS
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
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.