System Center Ramblings

Powershell remoting, the ability to remotley manage and influence devices is a key part of PowerShell. By default PowerShell remoting is enabled on servers and one of the lazy “security” features you can use is to only allow connections from specified networks.

In a domain network this is very easy to do, all you need is a small group policy that sets the networks. There is one thing you need to note, that is not really documented.

The Group Policy

The group policy is a regular computer policy setting found under “ComputerPoliciesAdministrative TemplatesWindows ComponentsWindows Remote Management (WinRM)WinRM Service” and the actual poliy item is named “Allow remote server management through WinRM”

When you enable this policy you can enter networks the server will consider trusted. So lets say you have your server on the network 192.168.1.0, that would mean you set the filder to 192.168.1.1-.192.168.1.254.

The issue

What you need…

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