split blocking of telemetry from disable features script

close #30
new file:   block-telemetry-domains.ps1

scripts/block-telemetry-domains.ps1

@@ -0,0 +1,25 @@
+#   Description:
+# This script blocks telemetry related domains via the hosts file and related
+# IPs via Windows Firewall.
+
+echo "Adding telemetry domains to hosts file"
+$hosts = cat "$PSScriptRoot\..\res\telemetry-hosts.txt"
+$hosts_file = "$env:systemroot\System32\drivers\etc\hosts"
+[ipaddress[]] $ips = @()
+foreach ($h in $hosts) {
+    try {
+        # store for next part
+        $ips += [ipaddress]$h
+    } catch [System.InvalidCastException] {
+        $contaisHost = Select-String -Path $hosts_file -Pattern $h
+        If (-Not $contaisHost) {
+            # can be redirected by hosts
+            echo "0.0.0.0 $h" | Out-File -Encoding ASCII -Append $hosts_file
+        }
+    }
+}
+
+echo "Adding telemetry ips to firewall"
+Remove-NetFirewallRule -DisplayName "Block Telemetry IPs" -ErrorAction SilentlyContinue
+New-NetFirewallRule -DisplayName "Block Telemetry IPs" -Direction Outbound `
+    -Action Block -RemoteAddress ([string[]]$ips)

scripts/disable-windows-features.ps1

@@ -41,27 +41,6 @@ foreach ($_ in (0..15)) {
     }
 }
 
-echo "Adding telemetry domains to hosts file"
-$hosts = cat "$PSScriptRoot\..\res\telemetry-hosts.txt"
-$hosts_file = "$env:systemroot\System32\drivers\etc\hosts"
-[ipaddress[]] $ips = @()
-foreach ($h in $hosts) {
-    try {
-        # store for next part
-        $ips += [ipaddress]$h
-    } catch [System.InvalidCastException] {
-        $contaisHost = Select-String -Path $hosts_file -Pattern $h
-        If (-Not $contaisHost) {
-            # can be redirected by hosts
-            echo "0.0.0.0 $h" | Out-File -Encoding ASCII -Append $hosts_file
-        }
-    }
-}
-echo "Adding telemetry ips to firewall"
-Remove-NetFirewallRule -DisplayName "Block Telemetry IPs" -ErrorAction SilentlyContinue
-New-NetFirewallRule -DisplayName "Block Telemetry IPs" -Direction Outbound `
-    -Action Block -RemoteAddress ([string[]]$ips)
-
 echo "Disabling telemetry via Group Policies"
 mkdir -Force "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DataCollection"
 sp "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DataCollection" "AllowTelemetry" 0