Našel jsem tento online FTP server, na kterém se to chová podobně, jako na
tom mém:
[url=https://sftpcloud.io/tools/free-ftp-server]https://sftpcloud.io/tools/free-
ftp-server[/url]

_Aktuální verze v5.5.1 (825) 32b se stále nespojí_, na tomto serveru
ale s jiným číslem chyby:
SSL library: OpenSSL 3.4.0 22 Oct 2024
Connecting to: eu-central-1.sftpcloud.io
220 SSH-2.0-SFTPCloud.io
AUTH TLS
234 AUTH command ok. Expecting TLS Negotiation.
USER 0c4d6bf69c244271ae11eb1c2d5ba23b

220 SSH-2.0-SFTPCloud.io
AUTH TLS
234 AUTH command ok. Expecting TLS Negotiation.
USER 0c4d6bf69c244271ae11eb1c2d5ba23b

Certificate:
Can't connect
LastError: 10054

Zkusil jsem i _novější knihovnu_ ze zipu, se stejným výsledkem:
SSL library: OpenSSL 3.4.1 11 Feb 2025

_Stará verze v5.0.4 (543) 32b ok_:
SSL library: OpenSSL 1.0.2u  20 Dec 2019
Connecting to: eu-central-1.sftpcloud.io
220 SSH-2.0-SFTPCloud.io
AUTH TLS
234 AUTH command ok. Expecting TLS Negotiation.
USER 0c4d6bf69c244271ae11eb1c2d5ba23b
331 OK
PASS xxxxx
230 Password ok, continue
PBSZ 0
200 Whatever
PROT C
200 OK
TYPE I
200 Type set to binary
STRU F
500 Unknown command "STRU"
MODE S
500 Unknown command "MODE"
REST 0
350 OK
REST 1
350 OK
REST 0
350 OK
Certificate: /CN=eu-central-1.sftpcloud.io
FEAT
211- These are my features
 CLNT
 UTF8
 SIZE
 MDTM
 REST STREAM
 EPRT
 EPSV
 MLSD
 MLST
 MFMT
 AUTH TLS
 PBSZ
 PROT
 AVBL
211 end
CWD /
250 CD worked on /
TYPE A
200 Type set to ASCII
PASV
227 Entering Passive Mode (94,130,108,110,195,156)
MLSD
150 Using transfer connection
226 Closing transfer connection

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