IANA assigns port 5071 to powerschool: PowerSchool.
sudo ss -tlnp 'sport = :5071'sudo ss -ulnp 'sport = :5071'sudo lsof -nP -i :5071sudo netstat -tlnp | grep ':5071 'netstat -ano | findstr :5071Get-NetTCPConnection -LocalPort 5071 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 5071Test-NetConnection HOST -Port 5071nc -vzu -w 5 HOST 5071sudo ufw deny 5071/tcpsudo iptables -A INPUT -p tcp --dport 5071 -j DROPsudo nft add rule inet filter input tcp dport 5071 dropNew-NetFirewallRule -DisplayName 'Block TCP 5071' -Direction Inbound -Protocol TCP -LocalPort 5071 -Action Blocksudo ufw deny 5071/udpsudo iptables -A INPUT -p udp --dport 5071 -j DROPsudo nft add rule inet filter input udp dport 5071 dropNew-NetFirewallRule -DisplayName 'Block UDP 5071' -Direction Inbound -Protocol UDP -LocalPort 5071 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.