Minor comment

lib/controller/checks.py

@@ -328,6 +328,10 @@ def checkRegexp():
         return False
 
 def checkNullConnection():
+    """
+    Reference: http://www.wisec.it/sectou.php?id=472f952d79293
+    """
+
     infoMsg = "testing NULL connection to the target url"
     logger.info(infoMsg)
 

lib/request/connect.py

@@ -325,6 +325,7 @@ class Connect:
             elif kb.nullConnection == "Range":
                 if not auxHeaders:
                     auxHeaders = {}
+
                 auxHeaders["Range"] = "bytes=-1"
 
             _, headers = Connect.getPage(url=uri, get=get, post=post, cookie=cookie, ua=ua, silent=silent, method=method, auxHeaders=auxHeaders, raise404=raise404)