IANA assigns port 3286 to e-net: E-Net.
sudo ss -tlnp 'sport = :3286'sudo ss -ulnp 'sport = :3286'sudo lsof -nP -i :3286sudo netstat -tlnp | grep ':3286 'netstat -ano | findstr :3286Get-NetTCPConnection -LocalPort 3286 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 3286Test-NetConnection HOST -Port 3286nc -vzu -w 5 HOST 3286sudo ufw deny 3286/tcpsudo iptables -A INPUT -p tcp --dport 3286 -j DROPsudo nft add rule inet filter input tcp dport 3286 dropNew-NetFirewallRule -DisplayName 'Block TCP 3286' -Direction Inbound -Protocol TCP -LocalPort 3286 -Action Blocksudo ufw deny 3286/udpsudo iptables -A INPUT -p udp --dport 3286 -j DROPsudo nft add rule inet filter input udp dport 3286 dropNew-NetFirewallRule -DisplayName 'Block UDP 3286' -Direction Inbound -Protocol UDP -LocalPort 3286 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.