我使用Rockect聊天。

失败：Websocket握手时出错：意外的响应代码：400

我的设置。 我在AWS EC2服务器上的Ubuntu上将rocketchat安装为sanp。
https->负载平衡器-------> nginx -----> rocketchat

Nginx设置

# Upstreams

upstream backend {

    server 127.0.0.1:3000;

}



server {

    listen 80;

    server_name allthatsneakers.com;

    location / {

     proxy_pass http://backend/;

     proxy_http_version 1.1;
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection "upgrade";

     proxy_set_header Host $http_host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forward-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forward-Proto http;
     proxy_set_header X-Nginx-Proxy true;

     proxy_redirect off;

    }

}

谢谢。