当我尝试通过我的 NGINX 入口发送标头大于 4k 的请求时,它返回 502 错误:
[error] 39#39: *356 upstream sent too big header while reading response header from upstream,
client: <ip>,
server: <server>,
request: "GET /path/ HTTP/1.1",
subrequest: "/_external-auth-Lw",
upstream: "<uri>",
host: "<host>"
[error] 39#39: *356 auth request unexpected status: 502 while sending to client,
client: <ip>,
server: <server>,
request: "GET /path/ HTTP/1.1",
host: "<host>"
我已按照有关如何通过在入口控制器 (proxy-buffer-size
) 中配置 nginx.ingress.kubernetes.io/proxy-buffer-size: "16k"
来解决此问题的说明进行操作,但它似乎不起作用。我唯一能想到的是,它与子请求的 proxy-buffer-size
有关系,它似乎没有设置。
答案 0 :(得分:1)
未在 NGINX 配置中的 /_external-auth-Lw 端点上设置 proxy_buffering 标头。从 v. 0.14.0 开始,问题已得到解决。