- 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 1347: multi media conferencing
Port 1347 is assigned by IANA to bbn-mmc (multi media conferencing).
How bbn-mmc works
Media & streamingThe device streams video frames over port 1347, 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 1347 dangerous?
We have no specific security note for port 1347. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 1347
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| bbn-mmc | 1347 | TCP, UDP | multi media conferencing | - | - |
// source: IANA service name and port number registry
Which program uses port 1347, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1347' # process listening on 1347
sudo lsof -nP -i :1347macOS
sudo lsof -nP -i :1347
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1347 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1347 netstat -ano | findstr :1347
From another machine
nmap -p 1347 -sV <host> sudo nmap -sU -p 1347 <host> nc -zv <host> 1347
Block it in the firewall
sudo ufw deny 1347/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1347" -Direction Inbound -LocalPort 1347 -Protocol TCP -Action Block # Windows
What is port 1347 used for?
Port 1347 is assigned by IANA to bbn-mmc (multi media conferencing).
Is port 1347 TCP or UDP?
Port 1347 is registered for TCP and UDP.
Is it safe to open port 1347?
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 1347 is open?
On Linux run "ss -ltnup 'sport = :1347'", on macOS "lsof -nP -i :1347", and on Windows "netstat -ano | findstr :1347" to see the local process. From another machine, "nmap -p 1347 <host>" shows whether it is reachable.