PortQuery GUI Query to see if TCP port is open or closed via GUI. Linux Terminal GUI Usage requires netcat sudo apt install nc -y chmod a+x PortQuery.sh ./PortQuery.sh Scan a Subnet for Open ports ./PortQuery.sh $IPSubnet $port ex. ./PortQuery.sh 192.168.1 443 Windows Usage Extract PortQueryGUI_win.zip Run PortQueryGUI.exe