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Port 30832 (samsung-disc)

IANA assigns port 30832 to samsung-disc: Samsung Convergence Discovery Protocol.

Registered (user) port, 1024-49151 UDP

Port 30832 is normally used over UDP; the checker tests TCP only, so a "filtered" result does not mean the UDP service is down.

IANA assignment

Service nameProtoDescriptionAssigneeReference
samsung-disc UDP Samsung Convergence Discovery Protocol Samsung 2 -

Registry dates for this port: registered 2013-05-29.

Check what is listening on port 30832

Linux: UDP 30832
sudo ss -ulnp 'sport = :30832'
Linux / macOS: which process owns the port
sudo lsof -nP -i :30832
Windows (Command Prompt)
netstat -ano | findstr :30832
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 30832

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 30832

Block port 30832 in the firewall

ufw
sudo ufw deny 30832/udp
iptables
sudo iptables -A INPUT -p udp --dport 30832 -j DROP
nftables
sudo nft add rule inet filter input udp dport 30832 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 30832' -Direction Inbound -Protocol UDP -LocalPort 30832 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.