Install - DNSFilter Certificate Only

$url = 'https://app.dnsfilter.com/certs/DNSFilter.cer'

$File = "C:\Windows\Temp\DNSFilter.cer"

(New-Object System.Net.WebClient).DownloadFile($url, $file)

& certutil -addstore -enterprise -f "Root" $File

if(Test-Path "C:\Program Files\Mozilla Firefox\defaults\pref\") {Set-Content "C:\Program Files\Mozilla Firefox\defaults\pref\firefox-windows-truststore.js" "pref('security.enterprise_roots.enabled', true);"}