IANA assigns port 5717 to prosharenotify: proshare conf notify.
sudo ss -tlnp 'sport = :5717'sudo ss -ulnp 'sport = :5717'sudo lsof -nP -i :5717sudo netstat -tlnp | grep ':5717 'netstat -ano | findstr :5717Get-NetTCPConnection -LocalPort 5717 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 5717Test-NetConnection HOST -Port 5717nc -vzu -w 5 HOST 5717sudo ufw deny 5717/tcpsudo iptables -A INPUT -p tcp --dport 5717 -j DROPsudo nft add rule inet filter input tcp dport 5717 dropNew-NetFirewallRule -DisplayName 'Block TCP 5717' -Direction Inbound -Protocol TCP -LocalPort 5717 -Action Blocksudo ufw deny 5717/udpsudo iptables -A INPUT -p udp --dport 5717 -j DROPsudo nft add rule inet filter input udp dport 5717 dropNew-NetFirewallRule -DisplayName 'Block UDP 5717' -Direction Inbound -Protocol UDP -LocalPort 5717 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.