IANA assigns port 2930 to amx-weblinx: AMX-WEBLINX.
sudo ss -tlnp 'sport = :2930'sudo ss -ulnp 'sport = :2930'sudo lsof -nP -i :2930sudo netstat -tlnp | grep ':2930 'netstat -ano | findstr :2930Get-NetTCPConnection -LocalPort 2930 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2930Test-NetConnection HOST -Port 2930nc -vzu -w 5 HOST 2930sudo ufw deny 2930/tcpsudo iptables -A INPUT -p tcp --dport 2930 -j DROPsudo nft add rule inet filter input tcp dport 2930 dropNew-NetFirewallRule -DisplayName 'Block TCP 2930' -Direction Inbound -Protocol TCP -LocalPort 2930 -Action Blocksudo ufw deny 2930/udpsudo iptables -A INPUT -p udp --dport 2930 -j DROPsudo nft add rule inet filter input udp dport 2930 dropNew-NetFirewallRule -DisplayName 'Block UDP 2930' -Direction Inbound -Protocol UDP -LocalPort 2930 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.