Nginx upstream sent too big header while reading response header from upstream

ramon fincken

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ramon fincken

May 27, 2025

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1 Proxy

proxy_buffering on;
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;

2 PHP

fastcgi_buffers 16 16k; 
fastcgi_buffer_size 32k;