Nginx配置WebSocket

Nginx中配置WebSocket

找到nginx.conf文件

find / -name nginx.conf

修改配置文件

vim /usr/local/nginx/conf/nginx.conf

在http内添加如下内容。

server{
       listen      80;
       server_name robotchat.lukeewin.top; # 这里填写的是访问的域名
       location / {
           proxy_pass http://127.0.0.1:9090; # 这里填写的是代理的路径和端口
           proxy_set_header Host $host;
           proxy_set_header X-Real_IP $remote_addr;
           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
       }
       # 以下配置针对websocket
       location /onlineCount { # onlineCount为websocket的访问uri
           proxy_redirect off;
           proxy_pass http://127.0.0.1:9090;
           proxy_set_header Host $host;
           proxy_set_header X-Real_IP $remote_addr;
           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
           proxy_http_version 1.1;
           proxy_read_timeout 36000s;
           proxy_send_timeout 36000s;
           proxy_set_header Upgrade $http_upgrade;   # 升级协议头 websocket
           proxy_set_header Connection "upgrade";
       }
}

如果没写如下语句，则会报EOFException。

proxy_read_timeout 36000s;
proxy_send_timeout 36000s;

添加如下三行语句，才能在后台中拿到真实的ip地址。

proxy_set_header Host $host;
proxy_set_header X-Real_IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

获取真实ip地址代码如下。

public String getRealIp(HttpServletRequest request) {
        String ip = request.getHeader("X-Forwarded-For");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            int index = ip.indexOf(",");
            if (index != -1) {
                return ip.substring(0, index);
            } else {
                return ip;
            }
        }
        ip = request.getHeader("X-Real-IP");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            return ip;
        }
        return request.getRemoteAddr();
}

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