title: "Nginx502错误" date: 2019-12-09 categories:

  • bug tags:
  • nginx

问题/Problem

  1. nginx 在轉發中報錯日志為 ... upstream sent too big header while reading response header from upstream ...

原因/Reason

  1. 反向代理的源站HTTP頭太大了

    proxy_buffer_size proxy_buffers proxy_busy_buffers_size

    http://nginx.org/en/docs/http/ngx_http_proxy_module.html

解决/Fix

location \ {
    proxy_buffer_size 4k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
}