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: 1002
Connection: keep-alive
X-WS-RateLimit-Limit: 1000
X-WS-RateLimit-Remaining: 999
Server: nginx/1.27.4
Date: Sat, 29 Mar 2025 02:00:58 GMT
Last-Modified: Sun, 18 Jan 2009 17:27:58 GMT
ETag: "3ea-460c520906380"
Accept-Ranges: bytes

nginx

HTTP/1.1 400 Bad Request
Server: nginx
Date: Sat, 29 Mar 2025 00:35:39 GMT
Content-Type: text/html
Content-Length: 650
Connection: close