I’ve shown you how to configure Windows’ software firewall with PowerShell by discovering its many built-in firewall rules (get-netfirewallrule) and how to enable or disable them (enable-netfirewallrule and disable-netfirewallrule). In reality, though, built-in software firewalls are most useful when you can super-fine-tune them. So, the real power of the Windows Firewall that we’ve had since Windows Server 2008 lies in creating those fine-tuned rules. In fact, I’ve found Windows Firewall rules to be essentially “IPSec made easy.” You won't be surprised, then, to learn that PowerShell’s got a nifty tool to do that: New-NetFirewallRule. This month, you’ll start creating rules (and you'll see how not to disable your computer in the process).
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