400 Bad Request occur while loading in iframe via Nginx

[s_k_v]

Error 400 bad request occurs randomly while loading qlik reports in ifame. Using Nginx as a load balancer to proxy the request towards Qlik server

[Alan_Slaughter]

Hi S_k_v, here are a couple of articles that might help:

1. https://community.qlik.com/t5/Official-Support-Articles/Qlik-Sense-Enterprise-returns-error-400-Bad-...

2. https://community.qlik.com/t5/Official-Support-Articles/Qlik-Sense-Error-message-400-Bad-Request-in-...

3. https://community.qlik.com/t5/Official-Support-Articles/Invalid-entries-in-the-Qlik-Sense-host-allow...

4. https://community.qlik.com/t5/Official-Support-Articles/quot-An-error-occurred-Connection-lost-quot-...