作者：再见看淡_266 | 来源：互联网 | 2023-09-01 10:07
400BadRequest是一种HTTP错误状态码。HTTP1.1对400BadRequest的定义主要是：语义有误，当前请求无法被服务器理解请求参数有误丢包导致异常Google了
400 Bad Request 是一种 HTTP 错误状态码。HTTP/1.1 对 400 Bad Request的定义主要是：
- 语义有误，当前请求无法被服务器理解
- 请求参数有误
- 丢包导致异常
Google 了一番，很多说是请求头或 COOKIE 过大引起的，调整 client_header_buffer_size 与 large_client_header_buffers 大小，但是并没有解决问题。经过排查发现 GET 请求的时候没有问题，POST 的时候就会返回 400 Bad Request 错误，最后发现是 websocket 配置成了全局 ，单独配置 websocket 的地址即可。
server {
listen 80;
# https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/linux-nginx?view=aspnetcore-2.2
location / {
proxy_pass http://localhost:5000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection keep-alive;
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
# https://www.nginx.com/blog/websocket-nginx/
location /hqHub {
proxy_pass http://localhost:5000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}
server {
listen 8080;
location / {
proxy_pass http://127.0.0.1:6800/;
auth_basic "Restricted";
auth_basic_user_file /etc/nginx/conf.d/.htpasswd;
}
}
REFER:
http://nginx.org/en/docs/http/websocket.html
https://blog.csdn.net/zhuyiquan/article/details/78707577
https://xiaomingyang.com/2018/04/17/centos-nginx-error.html
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