IANA assigns port 1897 to metaagent: MetaAgent.
sudo ss -tlnp 'sport = :1897'sudo ss -ulnp 'sport = :1897'sudo lsof -nP -i :1897sudo netstat -tlnp | grep ':1897 'netstat -ano | findstr :1897Get-NetTCPConnection -LocalPort 1897 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 1897Test-NetConnection HOST -Port 1897nc -vzu -w 5 HOST 1897sudo ufw deny 1897/tcpsudo iptables -A INPUT -p tcp --dport 1897 -j DROPsudo nft add rule inet filter input tcp dport 1897 dropNew-NetFirewallRule -DisplayName 'Block TCP 1897' -Direction Inbound -Protocol TCP -LocalPort 1897 -Action Blocksudo ufw deny 1897/udpsudo iptables -A INPUT -p udp --dport 1897 -j DROPsudo nft add rule inet filter input udp dport 1897 dropNew-NetFirewallRule -DisplayName 'Block UDP 1897' -Direction Inbound -Protocol UDP -LocalPort 1897 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.