When I run my Quixote application under the twisted server, I get depreciation errors as follows: C:\Apps\Python24\lib\site-packages\quixote\server\twisted_server.py:56: DeprecationWarning: IPv4Address.__getitem__ is deprecated. Use attributes instead. env = {"SERVER_SOFTWARE": server.version, C:\Apps\Python24\lib\site-packages\twisted\protocols\http.py:888: DeprecationWarning: IPv4Address.__getitem__ is deprecated. Use attributes instead. if self.client[0] not in ('INET', 'SSL'): C:\Apps\Python24\lib\site-packages\twisted\protocols\http.py:890: DeprecationWarning: IPv4Address.__getitem__ is deprecated. Use attributes instead. host = self.client[1] C:\Apps\Python24\lib\site-packages\quixote\server\twisted_server.py:84: DeprecationWarning: IPv4Address.__getitem__ is deprecated. Use attributes instead. _, _, remote_port = self.transport.getPeer() I'm not at all sure where these warnings come from - Quixote, twisted, or where. I know I can suppress or ignore the messages, but they (mildly) annoy me, and I'd like to understand where they are from. I'm using Quixote 2.0a4, Twisted 1.3.0 and Python 2.4. FWIW my driver code is simply: from quixote.server.twisted_server import run from quixote.publish import Publisher from demo import MyRoot def create_publisher(): return Publisher(MyRoot()) if __name__ == '__main__': run(create_publisher, port=4321) Paul.