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Port 14002 (scotty-disc)

IANA assigns port 14002 to scotty-disc: Discovery of a SCOTTY hardware codec board.

Registered (user) port, 1024-49151 UDP

Port 14002 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
scotty-disc UDP Discovery of a SCOTTY hardware codec board SCOTTY Group SE -

Registry dates for this port: registered 2013-01-14.

Check what is listening on port 14002

Linux: UDP 14002
sudo ss -ulnp 'sport = :14002'
Linux / macOS: which process owns the port
sudo lsof -nP -i :14002
Windows (Command Prompt)
netstat -ano | findstr :14002
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 14002

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 14002

Block port 14002 in the firewall

ufw
sudo ufw deny 14002/udp
iptables
sudo iptables -A INPUT -p udp --dport 14002 -j DROP
nftables
sudo nft add rule inet filter input udp dport 14002 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 14002' -Direction Inbound -Protocol UDP -LocalPort 14002 -Action Block

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All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.