Me> valid circumstances under which this might occur? Does this just Me> represent a broken browser or communication-challenged connection? Me> Can I fake a content type and continue or is it a lost cause at this Me> point because something more tragic will likely happen further down Me> the line? Pavlos> Maybe return a page reporting the problem to the client? I believe ZopeHTTPServer is already doing that. If nothing else, users will see, "Sorry, an error occurred." I'm curious about what would cause a request to come in without a Content-type header, and what (if anything) I can do to work around the problem and let the user actually see the content they were seeking. Thx, Skip Montanaro | Mojam: "Uniting the World of Music" http://www.mojam.com/ skip@mojam.com | Musi-Cal: http://www.musi-cal.com/ 518-372-5583