FTP
Simuler une réponse 425 Can't Open Data Connection
Can't open data connection. The server was unable to establish the data channel needed for the file transfer.
Voir la référence complète →1 Réponse HTTP
HTTP/1.1 425 Can't Open Data Connection
Content-Type: application/json
Date: Tue, 25 Feb 2026 12:00:00 GMT
Content-Length: 80
{
"error": "can't_open_data_connection",
"message": "Can't Open Data Connection"
}
2 Tester avec curl
curl -i https://httpbin.org/status/425
3 Retourner 425 Can't Open Data Connection dans votre framework
django
from django.http import JsonResponse
def my_view(request):
return JsonResponse(
{"error": "can't_open_data_connection", "message": "Can't Open Data Connection"},
status=425,
)
flask
from flask import Flask, jsonify
app = Flask(__name__)
@app.route("/endpoint")
def my_endpoint():
return jsonify({"error": "can't_open_data_connection", "message": "Can't Open Data Connection"}), 425
fastapi
from fastapi import FastAPI
from fastapi.responses import JSONResponse
app = FastAPI()
@app.get("/endpoint")
def my_endpoint():
return JSONResponse(
content={"error": "can't_open_data_connection", "message": "Can't Open Data Connection"},
status_code=425,
)
express.js
// Express.js
app.get('/endpoint', (req, res) => {
res.status(425).json({"error": "can't_open_data_connection", "message": "Can't Open Data Connection"});
});
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(425)
.body(Map.of("error", "can't_open_data_connection",
"message", "Can't Open Data Connection"));
}
}
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(425)
json.NewEncoder(w).Encode(map[string]string{
"error": "can't_open_data_connection",
"message": "Can't Open Data Connection",
})
}
ruby on rails
class MyController < ApplicationController
def my_action
render json: {"error": "can't_open_data_connection", "message": "Can't Open Data Connection"},
status: :can't_open_data_connection
end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
Results.Json(
new { error = "can't_open_data_connection", message = "Can't Open Data Connection" },
statusCode: 425
)
);