PowerShell – Network Command – “Test-NetConnection”

Background Continuing with preparing for our planned Network work. Lineage PowerShell – Network Command – "Get-NetAdapter" Link Test-NetConnection Outline The Test-NetCommand provides basic network connection testing over the TCP Protocol. Exercises Exercise - Basic Outline Basic network connectivity test TCP Network Port Test Network Port Number specified as numeric "Common TCP" Port Port Test Diagnostic … Continue reading PowerShell – Network Command – “Test-NetConnection”

PowerShell – Network Command – “Get-NetAdapter”

Background Have a few days of network diagnostic work ahead. And, so let us prepare and go through our requirements worksheet. Get-NetAdapter Outline The Get-NetAdapter command lists the network adapter on our machine. Syntax Sample Output Output-Image Output-Text Explanation I am on a laptop using a wireless connection The key points for me are My … Continue reading PowerShell – Network Command – “Get-NetAdapter”

UDP Flood Attack

Background My Internet connection has been spotty for a while here. TroubleShooting Finally, took the time this evening to see what is going on. Outline Router Check the Router Wireless Access Point Check the Wireless Access Points Computer & Hosts Check the computers and hosts connected to your Router & Hosts Internet Service Provider Check … Continue reading UDP Flood Attack

NetCat – Visual Studio – Source Code Compilation

Background Wanted to use netcat (nc) on MS Windows.   What is NetCat ? Wikipedia Link netcat is a computer networking utility for reading from and writing to network connections using TCP or UDP. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and … Continue reading NetCat – Visual Studio – Source Code Compilation

Automatic Web Proxy Discovery and Client Configuration in MS Windows Environment

  Background For most of us that work in Corporate MS Windows Environment, our Internet Gateway \ Proxy configuration is pretty hidden. At home, we either have direct connections to the Internet, have a gateway assigned to us by our ISP, or get on the Internet through our own Router or Wireless Access Point (WAP). … Continue reading Automatic Web Proxy Discovery and Client Configuration in MS Windows Environment