diff --git a/plugins/LRDD/lib/discovery.php b/plugins/LRDD/lib/discovery.php
index 77271e06f6..a69d5b8ce2 100644
--- a/plugins/LRDD/lib/discovery.php
+++ b/plugins/LRDD/lib/discovery.php
@@ -140,6 +140,11 @@ class Discovery
                 $xrd->loadString($response->getBody(), $type);
                 return $xrd;
 
+            } catch (ClientException $e) {
+                if ($e->getCode() === 403) {
+                    common_log(LOG_INFO, sprintf('%s: Aborting discovery on URL %s: %s', _ve($class), _ve($uri), _ve($e->getMessage())));
+                    break;
+                }
             } catch (Exception $e) {
                 common_log(LOG_INFO, sprintf('%s: Failed for %s: %s', _ve($class), _ve($uri), _ve($e->getMessage())));
                 continue;
diff --git a/plugins/LRDD/lib/lrddmethod.php b/plugins/LRDD/lib/lrddmethod.php
index ee9a24a5da..160c0d73a2 100644
--- a/plugins/LRDD/lib/lrddmethod.php
+++ b/plugins/LRDD/lib/lrddmethod.php
@@ -32,6 +32,9 @@ abstract class LRDDMethod
 
     protected function fetchUrl($url, $method=HTTPClient::METHOD_GET)
     {
+        // If we have a blacklist enabled, let's check against it
+        Event::handle('UrlBlacklistTest', array($url));
+
         $client  = new HTTPClient();
 
         // GAAHHH, this method sucks! How about we make a better HTTPClient interface?