IANA assigns port 3214 to jmq-daemon-1: JMQ Daemon Port 1.
sudo ss -tlnp 'sport = :3214'sudo ss -ulnp 'sport = :3214'sudo lsof -nP -i :3214sudo netstat -tlnp | grep ':3214 'netstat -ano | findstr :3214Get-NetTCPConnection -LocalPort 3214 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 3214Test-NetConnection HOST -Port 3214nc -vzu -w 5 HOST 3214sudo ufw deny 3214/tcpsudo iptables -A INPUT -p tcp --dport 3214 -j DROPsudo nft add rule inet filter input tcp dport 3214 dropNew-NetFirewallRule -DisplayName 'Block TCP 3214' -Direction Inbound -Protocol TCP -LocalPort 3214 -Action Blocksudo ufw deny 3214/udpsudo iptables -A INPUT -p udp --dport 3214 -j DROPsudo nft add rule inet filter input udp dport 3214 dropNew-NetFirewallRule -DisplayName 'Block UDP 3214' -Direction Inbound -Protocol UDP -LocalPort 3214 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.