IANA assigns port 1726 to iberiagames: IBERIAGAMES.
sudo ss -tlnp 'sport = :1726'sudo ss -ulnp 'sport = :1726'sudo lsof -nP -i :1726sudo netstat -tlnp | grep ':1726 'netstat -ano | findstr :1726Get-NetTCPConnection -LocalPort 1726 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 1726Test-NetConnection HOST -Port 1726nc -vzu -w 5 HOST 1726sudo ufw deny 1726/tcpsudo iptables -A INPUT -p tcp --dport 1726 -j DROPsudo nft add rule inet filter input tcp dport 1726 dropNew-NetFirewallRule -DisplayName 'Block TCP 1726' -Direction Inbound -Protocol TCP -LocalPort 1726 -Action Blocksudo ufw deny 1726/udpsudo iptables -A INPUT -p udp --dport 1726 -j DROPsudo nft add rule inet filter input udp dport 1726 dropNew-NetFirewallRule -DisplayName 'Block UDP 1726' -Direction Inbound -Protocol UDP -LocalPort 1726 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.