WebSocket

Giả lập phản hồi 1010 Mandatory Extension

The client is terminating the connection because the server did not negotiate one or more expected extensions in the handshake response.

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1 Phản hồi HTTP

Phản hồi HTTP
HTTP/1.1 1010 Mandatory Extension
Content-Type: application/json
Date: Tue, 25 Feb 2026 12:00:00 GMT

2 Kiểm tra với curl

terminal
curl -i https://httpbin.org/status/1010

3 Trả về 1010 Mandatory Extension trong Framework của bạn

django
from django.http import HttpResponse


def my_view(request):
    return HttpResponse(status=1010)  # Mandatory Extension
flask
from flask import Flask

app = Flask(__name__)


@app.route("/endpoint")
def my_endpoint():
    return "", 1010  # Mandatory Extension
fastapi
from fastapi import FastAPI
from fastapi.responses import Response

app = FastAPI()


@app.get("/endpoint")
def my_endpoint():
    return Response(status_code=1010)  # Mandatory Extension
express.js
// Express.js
app.get('/endpoint', (req, res) => {
  res.sendStatus(1010); // Mandatory Extension
});
spring boot
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

@RestController
public class MyController {

    @GetMapping("/endpoint")
    public ResponseEntity<Void> myEndpoint() {
        return ResponseEntity
            .status(1010) // Mandatory Extension
            .build();
    }
}
go net/http
package main

import "net/http"

func myHandler(w http.ResponseWriter, r *http.Request) {
    w.WriteHeader(1010) // Mandatory Extension
}
ruby on rails
class MyController < ApplicationController
  def my_action
    head :mandatory_extension
  end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
    Results.StatusCode(1010) // Mandatory Extension
);

Thêm trang giả lập WebSocket