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September 5, 2019 01:51
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Whitelist Cloudflare's IP addresses in a Windows Firewall rule
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| param( | |
| [Parameter(Mandatory=$true)] | |
| [String]$rule | |
| ) | |
| $ipv4 = (Invoke-WebRequest -UseBasicParsing -Uri "https://www.cloudflare.com/ips-v4").Content | |
| $ipv6 = (Invoke-WebRequest -UseBasicParsing -Uri "https://www.cloudflare.com/ips-v6").Content | |
| $ips = ($ipv4 + $ipv6).TrimEnd().Split([Environment]::NewLine) | |
| Set-NetFirewallRule -DisplayName $rule -RemoteAddress $ips |
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