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400 bad request

#1
Hi guys ive got a use that reported 400 bad request cloudflare-nginx.
my nginx.conf setting was:

large_client_header_buffers 8 32k;

now ive increased it to:

large_client_header_buffers 8 512k;

restarted nginx but the user still gets the error im not sure what to do? told him to remove cache etc & ive checked error logs found nothing :(
 

Xon

Well-known member
#2
I think this is an issue somewhere in CloudFlare somewhere. I've had it sporadically happen, and then magically go away without making any changes.