How To Use Portqry -

portqry -n 127.0.0.1 -p tcp -e 445

TCP port 80 (http service): LISTENING

portqry.exe -n <TargetName_or_IP> -p <Protocol> -e <Port> how to use portqry

: No process is listening; the target explicitly sent a "Port Unreachable" message.

: If you prefer a visual interface, download PortQryUI , which includes predefined service sets like "SQL Service" or "Exchange Server" for quick testing. Using the PortQry command-line tool - Windows Server portqry -n 127

To check if FTP (21), HTTP (80), and HTTPS (443) are open simultaneously.

Use telnet for a quick yes/no. Use PortQry when you need the full story. : No process is listening

PortQry sends a DNS query and validates the response.