(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> Connected on port 2221, sending welcome message...
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> 220 This is not a public server !
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> AUTH TLS
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> 234 Using authentication type TLS
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> TLS connection established
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> USER --someid--
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> 331 Password required for --someid--
(000048)6/23/2021 16:05:43 PM - (not logged in) (*.*.*.*)> PASS --someid--
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 230 Logged on
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> PBSZ 0
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 200 PBSZ=0
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> PROT P
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 200 Protection level set to P
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> CWD /ClientTIFF
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 250 CWD successful. "/ClientTIFF" is current directory.
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> PWD
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 257 "/ClientTIFF" is current directory.
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> TYPE A
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 200 Type set to A
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> PASV
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 227 Entering Passive Mode (x,x,x,x,199,117)
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> STOR zlog.txt
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 150 Opening data channel for file upload to server of "/ClientTIFF/zlog.txt"
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> TLS connection for data connection established
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 226 Successfully transferred "/ClientTIFF/zlog.txt"
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> TYPE I
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 200 Type set to I
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> PASV
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 227 Entering Passive Mode (x,x,x,x,201,32)
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> MLSD
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 150 Opening data channel for directory listing of "/ClientTIFF"
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> TLS connection for data connection established
(000048)6/23/2021 16:05:43 PM - --someid-- (*.*.*.*)> 226 Successfully transferred "/ClientTIFF"
However using a (Fujitsu N7100) network scanner I get an error "450 TLS session of data connection has not resumed or the session does not match the control connection" as per bellow:(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> Connected on port 2221, sending welcome message...
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> 220 This is not a public server !
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> AUTH TLS-P
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> 504 Auth type not supported
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> AUTH TLS
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> 234 Using authentication type TLS
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> TLS connection established
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> PBSZ 0
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> 200 PBSZ=0
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> PROT P
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> 200 Protection level set to P
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> USER --someid--
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> 331 Password required for --someid--
(000052)6/23/2021 16:05:58 PM - (not logged in) (212.90.216.146)> PASS --someid--
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 230 Logged on
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> FEAT
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 211-Features:
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> MDTM
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> REST STREAM
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> SIZE
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> MLST type*;size*;modify*;
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> MLSD
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> AUTH SSL
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> AUTH TLS
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> PROT
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> PBSZ
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> UTF8
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> CLNT
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> MFMT
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> EPSV
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> EPRT
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 211 End
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> OPTS UTF8 ON
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 202 UTF8 mode is always enabled. No need to send this command.
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> NOOP
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 200 OK
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> PWD
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 257 "/" is current directory.
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> CWD ClientTIFF
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 250 CWD successful. "/ClientTIFF" is current directory.
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> SIZE scan150551001.tif
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 550 File not found
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> TYPE I
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 200 Type set to I
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> PASV
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 227 Entering Passive Mode (x,x,x,x,201,212)
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> STOR scan150551001.tif
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 150 Opening data channel for file upload to server of "/ClientTIFF/scan150551001.tif"
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 450 TLS session of data connection has not resumed or the session does not match the control connection
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> DELE scan150551001.tif
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> 250 File deleted successfully
(000052)6/23/2021 16:05:58 PM - --someid-- (212.90.216.146)> disconnected.
(000048)6/23/2021 16:06:43 PM - --someid-- (*.*.*.*)> disconnected.
(000047)6/23/2021 16:07:39 PM - --someid-- (*.*.*.*)> 421 Connection timed out.
(000047)6/23/2021 16:07:39 PM - --someid-- (*.*.*.*)> disconnected.
Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.
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Seems your client tool is successful using FTPS(TLS), while the Fujitsu is trying to use SFTP(SSH2), and is not successful. FileZilla apparently doesn't support SFTP. You can try Solarwinds SFTP server, which is also free.
Good luck.