---- Resolving host address...
---- 1 address found: 185.68.66.50
---- Connecting to blog.gfd.ch (185.68.66.50) port 21
<--- 220 Welcome to GFD FTP service.
---> AUTH TLS
<--- 234 Proceed with negotiation.
---> USER
Certificate: CN=*.gfd.ch
Issued by: C=US,O=DigiCert Inc,OU=www.digicert.com,CN=RapidSSL RSA CA 2018
WARNING: Certificate verification: Not trusted (C3:C7:7E:94:CE:66:1C:41:D4:34:48:25:63:EB:87:86:64:65:FE:7C)
<--- 331 Please specify the password.
---> PASS
<--- 230 Login successful.
---> PWD
<--- 257 "/" is the current directory
---> PBSZ 0
<--- 200 PBSZ set to 0.
---> PROT P
<--- 200 PROT now Private.
---> PORT 173,212,196,208,160,171
<--- 200 PORT command successful. Consider using PASV.
---> NLST
<--- 150 Here comes the directory listing.
---- Accepted data connection from (185.68.66.50) port 20
Certificate: CN=*.gfd.ch
Issued by: C=US,O=DigiCert Inc,OU=www.digicert.com,CN=RapidSSL RSA CA 2018
WARNING: Certificate verification: Not trusted (C3:C7:7E:94:CE:66:1C:41:D4:34:48:25:63:EB:87:86:64:65:FE:7C)
---- Got EOF on data connection
---- Closing data socket
<--- 226 Directory send OK.
---> QUIT
<--- 221 Goodbye.
---- Closing control socket