CyberHunter
// Media & streaming

Port 1596: radio-bc

Port 1596 is assigned by IANA to radio-bc (radio-bc), radio-sm (radio-sm).

1596

How radio-bc works

Media & streaming
playercameraradio-bc playercameraradio-bc

The device streams video frames over port 1596, continuously, as they are captured.

Transport
UDP · TCP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
01 Security

Is port 1596 dangerous?

We have no specific security note for port 1596. 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 1596

ServicePortTransportDescriptionReferenceUpdated
radio-bc 1596 UDP radio-bc - -
radio-sm 1596 TCP radio-sm - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1596, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1596'      # process listening on 1596
sudo lsof -nP -i :1596

macOS

sudo lsof -nP -i :1596

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1596 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1596
netstat -ano | findstr :1596

From another machine

nmap -p 1596 -sV <host>
sudo nmap -sU -p 1596 <host>
nc -zv <host> 1596

Block it in the firewall

sudo ufw deny 1596/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1596" -Direction Inbound -LocalPort 1596 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1596 used for?

Port 1596 is assigned by IANA to radio-bc (radio-bc), radio-sm (radio-sm).

Is port 1596 TCP or UDP?

Port 1596 is registered for UDP and TCP.

Is it safe to open port 1596?

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 1596 is open?

On Linux run "ss -ltnup 'sport = :1596'", on macOS "lsof -nP -i :1596", and on Windows "netstat -ano | findstr :1596" to see the local process. From another machine, "nmap -p 1596 <host>" shows whether it is reachable.

05 Related