FTP

227 Entering Passive Mode レスポンスのモック

Entering Passive Mode. The server provides an IP address and port number for the client to connect to for data transfer, formatted as (h1,h2,h3,h4,p1,p2).

完全なリファレンスを見る →

1 HTTP レスポンス

HTTP レスポンス
HTTP/1.1 227 Entering Passive Mode
Content-Type: application/json
Date: Tue, 25 Feb 2026 12:00:00 GMT
Content-Length: 21

{
  "status": "success"
}

2 curl でテストする

terminal
curl -i https://httpbin.org/status/227

3 フレームワークで 227 Entering Passive Mode を返す

django
from django.http import JsonResponse


def my_view(request):
    return JsonResponse(
        {"status": "success"},
        status=227,
    )
flask
from flask import Flask, jsonify

app = Flask(__name__)


@app.route("/endpoint")
def my_endpoint():
    return jsonify({"status": "success"}), 227
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=227,
    )
express.js
// Express.js
app.get('/endpoint', (req, res) => {
  res.status(227).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(227)
            .body(Map.of("error", "entering_passive_mode",
                         "message", "Entering Passive Mode"));
    }
}
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(227)
    json.NewEncoder(w).Encode(map[string]string{
        "error":   "entering_passive_mode",
        "message": "Entering Passive Mode",
    })
}
ruby on rails
class MyController < ApplicationController
  def my_action
    render json: {"status": "success"},
           status: :entering_passive_mode
  end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
    Results.Json(
        new { error = "entering_passive_mode", message = "Entering Passive Mode" },
        statusCode: 227
    )
);

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