- 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 3673: Openview Media Vault GUI
Port 3673 is assigned by IANA to mediavault-gui (Openview Media Vault GUI).
3673
How mediavault-gui works
Media & streamingThe device streams video frames over port 3673, 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 3673 dangerous?
We have no specific security note for port 3673. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 3673
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| mediavault-gui | 3673 | TCP, UDP | Openview Media Vault GUI | - | 2003-01 |
// source: IANA service name and port number registry
Which program uses port 3673, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3673' # process listening on 3673
sudo lsof -nP -i :3673macOS
sudo lsof -nP -i :3673
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3673 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3673 netstat -ano | findstr :3673
From another machine
nmap -p 3673 -sV <host> sudo nmap -sU -p 3673 <host> nc -zv <host> 3673
Block it in the firewall
sudo ufw deny 3673/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3673" -Direction Inbound -LocalPort 3673 -Protocol TCP -Action Block # Windows
What is port 3673 used for?
Port 3673 is assigned by IANA to mediavault-gui (Openview Media Vault GUI).
Is port 3673 TCP or UDP?
Port 3673 is registered for TCP and UDP.
Is it safe to open port 3673?
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 3673 is open?
On Linux run "ss -ltnup 'sport = :3673'", on macOS "lsof -nP -i :3673", and on Windows "netstat -ano | findstr :3673" to see the local process. From another machine, "nmap -p 3673 <host>" shows whether it is reachable.