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// Network services

Port 30832: Samsung Convergence Discovery Protocol

Port 30832 is assigned by IANA to samsung-disc (Samsung Convergence Discovery Protocol).

30832

How samsung-disc works

Network services
client:30832samsung-discresponse client:30832samsung-discresponse

The client sends a request to port 30832 and the samsung-disc service answers.

Transport
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
Network services
01 Security

Is port 30832 dangerous?

We have no specific security note for port 30832. Its risk depends on the program actually listening on it. General advice for network services services:

  • Answer only the networks that need the service (no open resolvers, relays or reflectors).
  • UDP services can be abused for DDoS amplification: rate-limit or block them at the edge.
  • Disable legacy test services that have no use in production.
02 Registry

IANA registry entries for port 30832

ServicePortTransportDescriptionReferenceUpdated
samsung-disc 30832 UDP Samsung Convergence Discovery Protocol - 2013-05-29
-30832-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 30832, and is it reachable?

Linux

sudo ss -ltnup 'sport = :30832'      # process listening on 30832
sudo lsof -nP -i :30832

macOS

sudo lsof -nP -i :30832

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 30832 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 30832
netstat -ano | findstr :30832

From another machine

nmap -p 30832 -sV <host>
sudo nmap -sU -p 30832 <host>
nc -zv <host> 30832

Block it in the firewall

sudo ufw deny 30832/udp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 30832" -Direction Inbound -LocalPort 30832 -Protocol UDP -Action Block  # Windows
04 FAQ
What is port 30832 used for?

Port 30832 is assigned by IANA to samsung-disc (Samsung Convergence Discovery Protocol).

Is port 30832 TCP or UDP?

Port 30832 is registered for UDP.

Is it safe to open port 30832?

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. Answer only the networks that need the service (no open resolvers, relays or reflectors).

How do I check if port 30832 is open?

On Linux run "ss -ltnup 'sport = :30832'", on macOS "lsof -nP -i :30832", and on Windows "netstat -ano | findstr :30832" to see the local process. From another machine, "nmap -p 30832 <host>" shows whether it is reachable.

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