Hi All, Earlier today we tried a emergency, not pre-tested LB solution for a 
customer, needless to say this didn't go very well.The LB part worked well, and 
most of the functions worked well, but among those who didn't work at all were 
Ajax HXR requests used to upload photos and registering to the site. We did a 
rollback and the site now works somewhat well.But, we need to figure out why 
the HXRs and most POST requests didn't work. I've seen in some threads that the 
HXR requests lacks a length header and therefore Nginx chokes and sends a 
405/403. The setup used is Haproxy, Varnish and Nginx, but when we removed 
varnish it didn't work either, but using only varnish and Nginx works, but 
Haproxy and Nginx doesn't, that leads to the conclusion that it is something 
with HXR and Haproxy, probably a config-issue or something related to the HXR 
header.Any ideas? The config we used was pretty straightforward, we used keep 
alive thats it. (The LB machine is reinstalled so i haven' got the config 
anymore)BrAndreas Bergman 

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