IANA assigns port 1054 to brvread: BRVREAD.
sudo ss -tlnp 'sport = :1054'sudo ss -ulnp 'sport = :1054'sudo lsof -nP -i :1054sudo netstat -tlnp | grep ':1054 'netstat -ano | findstr :1054Get-NetTCPConnection -LocalPort 1054 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 1054Test-NetConnection HOST -Port 1054nc -vzu -w 5 HOST 1054sudo ufw deny 1054/tcpsudo iptables -A INPUT -p tcp --dport 1054 -j DROPsudo nft add rule inet filter input tcp dport 1054 dropNew-NetFirewallRule -DisplayName 'Block TCP 1054' -Direction Inbound -Protocol TCP -LocalPort 1054 -Action Blocksudo ufw deny 1054/udpsudo iptables -A INPUT -p udp --dport 1054 -j DROPsudo nft add rule inet filter input udp dport 1054 dropNew-NetFirewallRule -DisplayName 'Block UDP 1054' -Direction Inbound -Protocol UDP -LocalPort 1054 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.