bail out early on ShortHeader

diff --git a/tests/nanonameserver.py b/tests/nanonameserver.py
index a14d925967b742261c19054df6936630cc140cc4..850d748294ca2039eba49f9e127468c7b49b7476 100644 (file)
--- a/tests/nanonameserver.py
+++ b/tests/nanonameserver.py
@@ -136,6 +136,9 @@ class Server(threading.Thread):
         r = None
         try:
             q = dns.message.from_wire(wire)
+        except dns.message.ShortHeader:
+            # There is no hope of answering this one!
+            return None
         except Exception:
             # Try to make a FORMERR using just the question section.
             try: