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Port 10810 (nmc-disc)

IANA assigns port 10810 to nmc-disc: Nuance Mobile Care Discovery.

Registered (user) port, 1024-49151 UDP

Port 10810 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
nmc-disc UDP Nuance Mobile Care Discovery Gordon Waddell -

Registry dates for this port: registered 2011-03-21.

Check what is listening on port 10810

Linux: UDP 10810
sudo ss -ulnp 'sport = :10810'
Linux / macOS: which process owns the port
sudo lsof -nP -i :10810
Windows (Command Prompt)
netstat -ano | findstr :10810
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 10810

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 10810

Block port 10810 in the firewall

ufw
sudo ufw deny 10810/udp
iptables
sudo iptables -A INPUT -p udp --dport 10810 -j DROP
nftables
sudo nft add rule inet filter input udp dport 10810 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 10810' -Direction Inbound -Protocol UDP -LocalPort 10810 -Action Block

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