220 (vsFTPd 3.0.3)
530 Login incorrect.
530 Please login with USER and PASS.
211-Features:
 EPRT
 EPSV
 MDTM
 PASV
 REST STREAM
 SIZE
 TVFS
211 End

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Sat, 04 May 2024 09:53:17 GMT
Content-Type: text/html; charset="UTF-8"
Transfer-Encoding: chunked
Connection: keep-alive
Keep-Alive: timeout=20
Vary: Accept-Encoding
Cache-control: no-store
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
P3P: CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"
Content-Security-Policy: base-uri 'self';  connect-src data: ws: wss: http: https:; default-src 'self' 'unsafe-eval' data: blob: https://*.synology.com https://www.synology.cn/ https://help.synology.cn/; font-src 'self' data: https://*.googleapis.com https://*.gstatic.com; form-action 'self'; frame-ancestors 'self'; frame-src 'self' data: blob: https://*.synology.com https://*.synology.cn http://*.synology.com http://*.synology.cn http://global.synologydownload.com https://global.synologydownload.com; img-src 'self' data: blob: https://*.google.com https://*.googleapis.com http://*.googlecode.com https://*.gstatic.com https://global.download.synology.com; media-src 'self' data: about: https://*.synology.com https://help.synology.cn;  script-src 'self' 'unsafe-eval' data: blob: https://maps.google.com https://maps.googleapis.com https://ajax.googleapis.com https://help.synology.com https://help.synology.cn; style-src 'self' 'unsafe-inline' https://*.googleapis.com;


Synology DiskStation Manager (DSM):
  Version: 7.2.1-69057
  Hostname: DS220