220 (IBM WebSphere DataPower)
230 user logged in
500 unknown or unsupported command
211-Extensions supported
 EPRT
 EPSV
 MODE Z
 PASV
 PBSZ
 PROT
211 END

HTTP/1.1 500 Error
X-Backside-Transport: FAIL FAIL
Content-Type: text/xml
Connection: close

HTTP/1.1 302 Found
Location: https://105.247.12.227:8015/
Connection: close
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Content-Security-Policy: frame-ancestors 'self'