IANA assigns port 2113 to hsl-storm: HSL StoRM.
sudo ss -tlnp 'sport = :2113'sudo ss -ulnp 'sport = :2113'sudo lsof -nP -i :2113sudo netstat -tlnp | grep ':2113 'netstat -ano | findstr :2113Get-NetTCPConnection -LocalPort 2113 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2113Test-NetConnection HOST -Port 2113nc -vzu -w 5 HOST 2113sudo ufw deny 2113/tcpsudo iptables -A INPUT -p tcp --dport 2113 -j DROPsudo nft add rule inet filter input tcp dport 2113 dropNew-NetFirewallRule -DisplayName 'Block TCP 2113' -Direction Inbound -Protocol TCP -LocalPort 2113 -Action Blocksudo ufw deny 2113/udpsudo iptables -A INPUT -p udp --dport 2113 -j DROPsudo nft add rule inet filter input udp dport 2113 dropNew-NetFirewallRule -DisplayName 'Block UDP 2113' -Direction Inbound -Protocol UDP -LocalPort 2113 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.