Index: Lib/multiprocessing/connection.py =================================================================== --- Lib/multiprocessing/connection.py (revision 65551) +++ Lib/multiprocessing/connection.py (working copy) @@ -217,7 +217,12 @@ self._socket.listen(backlog) address = self._socket.getsockname() if type(address) is tuple: - address = (socket.getfqdn(address[0]),) + address[1:] + def getfqdn(s): # ??? + if s == '127.0.0.1': + return 'localhost' + else: + return socket.getfqdn(s) + address = (getfqdn(address[0]),) + address[1:] self._address = address self._family = family self._last_accepted = None