IANA assigns port 1315 to els: E.L.S., Event Listener Service.
sudo ss -tlnp 'sport = :1315'sudo ss -ulnp 'sport = :1315'sudo lsof -nP -i :1315sudo netstat -tlnp | grep ':1315 'netstat -ano | findstr :1315Get-NetTCPConnection -LocalPort 1315 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 1315Test-NetConnection HOST -Port 1315nc -vzu -w 5 HOST 1315sudo ufw deny 1315/tcpsudo iptables -A INPUT -p tcp --dport 1315 -j DROPsudo nft add rule inet filter input tcp dport 1315 dropNew-NetFirewallRule -DisplayName 'Block TCP 1315' -Direction Inbound -Protocol TCP -LocalPort 1315 -Action Blocksudo ufw deny 1315/udpsudo iptables -A INPUT -p udp --dport 1315 -j DROPsudo nft add rule inet filter input udp dport 1315 dropNew-NetFirewallRule -DisplayName 'Block UDP 1315' -Direction Inbound -Protocol UDP -LocalPort 1315 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.