FTP
331 Username OK, Need Password 응답 모의 테스트
User name okay, need password. The server recognized the username and is waiting for the corresponding password to complete authentication.
전체 레퍼런스 보기 →1 HTTP 응답
HTTP/1.1 331 Username OK, Need Password Content-Type: application/json Date: Tue, 25 Feb 2026 12:00:00 GMT
2 curl로 테스트하기
curl -i https://httpbin.org/status/331
3 프레임워크에서 331 Username OK, Need Password 반환하기
django
from django.http import HttpResponse
def my_view(request):
return HttpResponse(status=331) # Username OK, Need Password
flask
from flask import Flask
app = Flask(__name__)
@app.route("/endpoint")
def my_endpoint():
return "", 331 # Username OK, Need Password
fastapi
from fastapi import FastAPI
from fastapi.responses import Response
app = FastAPI()
@app.get("/endpoint")
def my_endpoint():
return Response(status_code=331) # Username OK, Need Password
express.js
// Express.js
app.get('/endpoint', (req, res) => {
res.sendStatus(331); // Username OK, Need Password
});
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(331) // Username OK, Need Password
.build();
}
}
go net/http
package main
import "net/http"
func myHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(331) // Username OK, Need Password
}
ruby on rails
class MyController < ApplicationController
def my_action
head :username_ok,_need_password
end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
Results.StatusCode(331) // Username OK, Need Password
);