This function will list all connections to a Windows computer in PowerShell. While most admins are familiar with Netstat and unless you have Windows 8.1 or Server 2012 R2 there’s no PowerShell equivalent. There’s a .Net method that could be utilized but it doesn’t supply the process identifier (PID) to relate that connection the process using it. Alternatively you create a custom type that uses IP Helper that does have the PID but that’s unnecessarily complicated for what I want. Instead I opted for parsing Netstat’s string output into a format I could use. Additionally I added in DNS lookup for remote addresses, process details from Get-Process, and several parameters to get just what you want.

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