ftptest log.txt

--> https://ftptest.net/

Status: Resolving address of ftp.mydomain.com

Status: Connecting to 1.1.1.1

Warning: The entered address does not resolve to an IPv6 address.

Status: Connected, waiting for welcome message...

Reply: 220 FTP Server Ready

Command: CLNT https://ftptest.net on behalf of 2.2.2.2

Reply: 500 Syntax error, command unrecognized.

Command: AUTH TLS

Reply: 234 Enabling TLS Connection

Status: Performing TLS handshake...

Status: TLS handshake successful, verifying certificate...

Status: Received 2 certificates from server.

Status: cert[0]: subject='CN=ftp.mydomain.com' issuer='C=US,O=Let\27s Encrypt,CN=Let\27s Encrypt Authority X3'

Status: cert[1]: subject='C=US,O=Let\27s Encrypt,CN=Let\27s Encrypt Authority X3' issuer='O=Digital Signature Trust Co.,CN=DST Root CA X3'

Command: USER admin

Reply: 331 User admin logged in, needs password

Command: PASS ***************

Reply: 230 Password ok, FTP server ready

Command: SYST

Reply: 200 UNIX Type: A

Command: FEAT

Reply: 211-Extensions supported:

Reply: AUTH TLS

Reply: MDTM

Reply: MFCT

Reply: MFF modify;create;

Reply: MFMT

Reply: MLST type*;size*;perm*;modify*;create*;

Reply: UTF8

Reply: EPSV

Reply: PBSZ

Reply: EPRT

Reply: PROT

Reply: REST STREAM

Reply: SIZE

Reply: 211 END

Command: PBSZ 0

Reply: 200 Protection buffer size set to 0.

Command: PROT P

Reply: 200 Data channel protection level set to P.

Command: PWD

Reply: 257 "/"

Status: Current path is /

Command: TYPE I

Reply: 200 Binary transfer mode active.

Command: PASV

Reply: 227 Entering Passive Mode (10,0,0,4,195,127).

Error: Server returned unroutable private IP address in PASV reply