Using SSL offload and passing traffic through to internal webserver

Hi again I spend some hours yesterday evening i digging around to see if I could get some ideas because - it should in fact be simple pass-through and nothing else in phase 1 - keep it as simple as possibly so that we can create a baseline and say - this works. When I added "the fiddler" on the client between the webclient and the F5 the problem disappered so it had something to do with the flow. Tried several combinations of the "chunking" setup in the http profile and ended up with "Request chunking" preserve and "response chunking" rechunk - and then "it" worked.

I had another vs where the application on the webserver did build a nice table with really many fields - and this was also completely "screwed up" when we put the traffic through the F5 until we found the chunking settings...

Well - can somebody explain to me - what is it with F5 bigip's, the chunking handling and Microsoft IIS? Pr. default there is something which is - if not incorrect then incompatible setup....

Comments please...