@@ -74,7 +74,10 @@ param(
 
   #$downloader = new-object System.Net.WebClient
   #$downloader.DownloadFile($url, $fileFullPath)
+  $headers = @{}
   if ($url.StartsWith('http')) {
+    $headers = Get-WebHeaders $url
+
       Write-Host "Downloading $packageName $bitPackage bit
   from `'$url`'"
       Get-WebFile $url $fileFullPath
@@ -91,6 +94,15 @@ param(
 
   Start-Sleep 2 #give it a sec or two to finish up copying
 
+  if ($headers.Count -ne 0) {
+    if ($headers.ContainsKey("X-Checksum-Sha1")) {
+      $remoteChecksum = $headers["X-Checksum-Sha1"]
+      Write-Debug "Verifying remote checksum of `'$remoteChecksum`' for `'$fileFullPath`'."
+      Get-CheckSumValid -file $fileFullPath -checkSum $remoteChecksum -checksumType 'sha1'
+    }
+  }
+
+  Write-Debug "Verifying package provided checksum of `'$checksum`' for `'$fileFullPath`'."
   Get-CheckSumValid -file $fileFullPath -checkSum $checksum -checksumType $checksumType
 
   # $url is already set properly to the used location.
 
@@ -0,0 +1,48 @@
+function Get-WebHeaders {
+param(
+  $url = '',
+  $userAgent = 'chocolatey command line'
+)
+  Write-Debug "Running 'Get-WebHeaders' with url:`'$url`', userAgent: `'$userAgent`'";
+  if ($url -eq '') { return }
+
+  $request = [System.Net.HttpWebRequest]::Create($url);
+  #to check if a proxy is required
+  $client = New-Object System.Net.WebClient
+  if (!$client.Proxy.IsBypassed($url))
+  {
+    $creds = [Net.CredentialCache]::DefaultCredentials
+    if ($creds -eq $null) {
+      Write-Debug "Default credentials were null. Attempting backup method"
+      $cred = Get-Credential
+      $creds = $cred.GetNetworkCredential();
+    }
+    $proxyAddress = $client.Proxy.GetProxy($url).Authority
+    Write-host "Using this proxyserver: $proxyAddress"
+    $proxy = New-Object System.Net.WebProxy($proxyAddress)
+    $proxy.credentials = $creds
+    $request.proxy = $proxy
+  }
+
+  #http://stackoverflow.com/questions/518181/too-many-automatic-redirections-were-attempted-error-message-when-using-a-httpw
+  $request.CookieContainer = New-Object System.Net.CookieContainer
+  if ($userAgent -ne $null) {
+    Write-Debug "Setting the UserAgent to `'$userAgent`'"
+    $request.UserAgent = $userAgent
+  }
+
+  $response = $request.GetResponse();
+
+  $headers = @{}
+  Write-Debug "Web Headers Received:"
+  foreach ($key in $response.Headers) {
+    $value = $response.Headers[$key];
+    if ($value) {
+      $headers.Add("$key","$value")
+      Write-Debug "  `'$key`':`'$value`'"
+    }
+  }
+  $response.Close();
+
+  $headers
+}