IANA assigns port 2284 to lnvmaps: LNVMAPS.
sudo ss -tlnp 'sport = :2284'sudo ss -ulnp 'sport = :2284'sudo lsof -nP -i :2284sudo netstat -tlnp | grep ':2284 'netstat -ano | findstr :2284Get-NetTCPConnection -LocalPort 2284 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2284Test-NetConnection HOST -Port 2284nc -vzu -w 5 HOST 2284sudo ufw deny 2284/tcpsudo iptables -A INPUT -p tcp --dport 2284 -j DROPsudo nft add rule inet filter input tcp dport 2284 dropNew-NetFirewallRule -DisplayName 'Block TCP 2284' -Direction Inbound -Protocol TCP -LocalPort 2284 -Action Blocksudo ufw deny 2284/udpsudo iptables -A INPUT -p udp --dport 2284 -j DROPsudo nft add rule inet filter input udp dport 2284 dropNew-NetFirewallRule -DisplayName 'Block UDP 2284' -Direction Inbound -Protocol UDP -LocalPort 2284 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.