DNS

Имитация ответа 23 BADCOOKIE

Bad or missing server cookie. The DNS COOKIE option in the request is absent, malformed, or does not match the server's expected value.

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1 HTTP-ответ

HTTP-ответ
HTTP/1.1 23 BADCOOKIE
Content-Type: application/json
Date: Tue, 25 Feb 2026 12:00:00 GMT
Content-Length: 21

{
  "status": "success"
}

2 Протестировать с curl

terminal
curl -i https://httpbin.org/status/23

3 Вернуть 23 BADCOOKIE в вашем фреймворке

django
from django.http import JsonResponse


def my_view(request):
    return JsonResponse(
        {"status": "success"},
        status=23,
    )
flask
from flask import Flask, jsonify

app = Flask(__name__)


@app.route("/endpoint")
def my_endpoint():
    return jsonify({"status": "success"}), 23
fastapi
from fastapi import FastAPI
from fastapi.responses import JSONResponse

app = FastAPI()


@app.get("/endpoint")
def my_endpoint():
    return JSONResponse(
        content={"status": "success"},
        status_code=23,
    )
express.js
// Express.js
app.get('/endpoint', (req, res) => {
  res.status(23).json({"status": "success"});
});
spring boot
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.Map;

@RestController
public class MyController {

    @GetMapping("/endpoint")
    public ResponseEntity<Map<String, Object>> myEndpoint() {
        return ResponseEntity
            .status(23)
            .body(Map.of("error", "badcookie",
                         "message", "BADCOOKIE"));
    }
}
go net/http
package main

import (
    "encoding/json"
    "net/http"
)

func myHandler(w http.ResponseWriter, r *http.Request) {
    w.Header().Set("Content-Type", "application/json")
    w.WriteHeader(23)
    json.NewEncoder(w).Encode(map[string]string{
        "error":   "badcookie",
        "message": "BADCOOKIE",
    })
}
ruby on rails
class MyController < ApplicationController
  def my_action
    render json: {"status": "success"},
           status: :badcookie
  end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
    Results.Json(
        new { error = "badcookie", message = "BADCOOKIE" },
        statusCode: 23
    )
);

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