Fixing Nginx "upstream sent too big header" error when running an ingress controller in Kubernetes

added by DotNetKicks
3/13/2018 8:49:30 AM

2 Kicks, 139 Views

In this post I describe a problem I had running IdentityServer 4 behind an Nginx reverse proxy. In my case, I was running Nginx as an ingress controller for a Kubernetes cluster, but the issue is actually not specific to Kubernetes, or IdentityServer - it's an Nginx configuration issue.