HTTP/1.1 403 Forbidden
Server: AliyunOSS
Date: Mon, 23 Feb 2026 16:37:26 GMT
Content-Type: application/xml

220 Microsoft FTP Service
530 User cannot log in.
214-The following commands are recognized (* ==>'s unimplemented).
    ABOR 

SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.7

HTTP/1.1 400 Bad Request
Server: nginx
Content-Type: text/html
Connection: close

-ERR client ip is not in whitelist

JDWP-Handshake