Powershell Port Scanner

Would you like to know what ports are openĀ on a host? With the introduction of Powershell 4.0 there’s a new cmdlet called Test-Netconnection which in it’s simples form basically is ping

. It does, however, have some more advanced features, like scanning towards ports on a host.

Here’s a quick and dirty script to scan a single host for single port, or a sequential range of ports.

I have to admit that I miss the -Source switch in “Test-Connection” that allows you to choose where the connection request should originate, but perhaps we’ll see that in Powershell/WMF 5.0?

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