421-For your safety only secure SFTP connections are allowed.\n421-Please use SFTP to connect to your webspace.\n421-How to use SFTP with your webspace and client?\n421-Check the IONOS Control Center and IONOS Help Center - just search for SFTP.\n

nginx1.27.4

HTTP/1.1 200 OK
Content-Type: text/html
Content-Length: 14624
Connection: keep-alive
X-WS-RateLimit-Limit: 1000
X-WS-RateLimit-Remaining: 999
Server: nginx/1.27.4
Date: Wed, 26 Mar 2025 22:37:33 GMT
Last-Modified: Thu, 13 Dec 2018 22:28:30 GMT
Accept-Ranges: bytes
ETag: "71bd972c3393d41:0"
X-Powered-By: ASP.NET

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Thu, 27 Mar 2025 03:25:56 GMT
Content-Type: text/html
Content-Length: 650
Connection: close