Hello,
I was able to find some information you may need in the following post <https://stackoverflow.com/questions/56852315/gcp-https-load-balancers-will-convert-http-1-1-header-names-to-lowercase-coul>. I hope this will help. Those who were believed to benefit from this email, although not thoroughly, would have gotten this email. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/75064501-cd76-4c2d-90b3-96bddeda7b89%40googlegroups.com.
