Portqryv2.exe is a command-line utility that you can use to help troubleshoot tcp/ip connectivity issues. portqry.exe runs on windows 2000-based computers.the utility reports the port status of tcp and udp ports on a computer you choose.. Netstat.exe, located in the windows ‘system32’ folder, allows you to view ports that are open or in use on a particular host, but should not be confused with a network port scanner which actually probes a host for open ports.. Angry ip scanner is a small open source java application which performs host discovery ("ping scan") and port scans. the old 2.x release was windows-only, but the new 3.x series runs on linux, mac, or windows as long as java is installed..
Local port scanner is a very small and simplistic port scanner software where port scans of individual ip addresses can be setup. first thing that you’ll need to tweak after launching the application is the ip address of the device whose ports you need to scan.. Advanced port scanner is a free network scanner allowing you to quickly find open ports (tcp and udp) on network computers and retrieve. Start port scan tcp syn scan. as we know tcp connection is initiated with 3-way handshake. the first step in 3-way handshake is sending syn tcp packets.we can only send syn packets to the target to scan and get status of the remote port without establishing connection.we will use -ss for this.this option requires administrator or root privileges.