It sounds like an error message generated by a client
fault in the undocumented 8th layer of the OSI model.
This resides just above the Application level and is
otherwise known as the Bozone layer.
Regards,
Brian
Corbin Network Services, Inc.
Box 1960, Sparwood, BC, Canada
V0B 2G0
Member, Canadian Association of Internet Providers
Network operations, programming, and training.