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Port 9286 (n2receive)

IANA assigns port 9286 to n2receive: n2 monitoring receiver.

Registered (user) port, 1024-49151 UDP

Port 9286 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
n2receive UDP n2 monitoring receiver Peter van Dijk -

Registry dates for this port: registered 2011-01-10.

Check what is listening on port 9286

Linux: UDP 9286
sudo ss -ulnp 'sport = :9286'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9286
Windows (Command Prompt)
netstat -ano | findstr :9286
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 9286

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9286

Block port 9286 in the firewall

ufw
sudo ufw deny 9286/udp
iptables
sudo iptables -A INPUT -p udp --dport 9286 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9286 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9286' -Direction Inbound -Protocol UDP -LocalPort 9286 -Action Block

Related ports

9284visd9285n2h2server9287cumulus9292armtechdaemon

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