> > As asked in the OP, is there a debug_level parameter that > can be used to > > trace requests sent to authenticator helper processes? None of the > > candidates in debug-sections.txt seem quite right, unless > section 28 is > > the one. > > I would use > > debug_options ALL,1 33,2 84,5 29,9 > > 33 == client request processing. Will give you the requested > URL making > it easier to correlate with access.log. > > 84 == communication with helpers > > 29 == authenticators (ntlm/basic/digest etc..) > > Regards > Henrik Thank you very much Henrik. Greatly appreciated! Regards Euan