- 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 3445: Media Object Network Protocol
Port 3445 is assigned by IANA to monp (Media Object Network Protocol).
3445
How monp works
Media & streamingThe device streams video frames over port 3445, 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 3445 dangerous?
We have no specific security note for port 3445. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 3445
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| monp | 3445 | TCP, UDP | Media Object Network Protocol | - | 2019-11-11 |
// source: IANA service name and port number registry
Which program uses port 3445, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3445' # process listening on 3445
sudo lsof -nP -i :3445macOS
sudo lsof -nP -i :3445
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3445 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3445 netstat -ano | findstr :3445
From another machine
nmap -p 3445 -sV <host> sudo nmap -sU -p 3445 <host> nc -zv <host> 3445
Block it in the firewall
sudo ufw deny 3445/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3445" -Direction Inbound -LocalPort 3445 -Protocol TCP -Action Block # Windows
What is port 3445 used for?
Port 3445 is assigned by IANA to monp (Media Object Network Protocol).
Is port 3445 TCP or UDP?
Port 3445 is registered for TCP and UDP.
Is it safe to open port 3445?
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 3445 is open?
On Linux run "ss -ltnup 'sport = :3445'", on macOS "lsof -nP -i :3445", and on Windows "netstat -ano | findstr :3445" to see the local process. From another machine, "nmap -p 3445 <host>" shows whether it is reachable.