: No response was received. This usually means a firewall or router is blocking the traffic. Essential Commands You can run PortQry through the Windows Command Prompt using the following syntax: Task Command Example Check a single port portqry -n 192.168.1.1 -e 80 Check multiple ports portqry -n 192.168.1.1 -o 80,443,135 Check a range of ports portqry -n 192.168.1.1 -r 1:1024 Specify Protocol (TCP/UDP) portqry -n 192.168.1.1 -p udp -e 53 Silent Mode (for scripts) portqry -n 192.168.1.1 -e 80 -q Key Switches -n
: A process is actively listening on the port and replied to the query. portqry
This is one of PortQry's most distinct features. In normal mode, a query happens once. In Test Mode ( -t ), PortQry continuously queries the target port until the user stops it (Ctrl+C). This is invaluable for: : No response was received