Hello René,
At first, TSslFtpClient supports all possible SSL/TLS protocols.
I guess you are just mixing them up as I mix them up all the time,
so welcome in the club!
> FTPES : Ftp over explicit TSL/SSL; port 990
You probably mean _implicit_ TLS/SSL; port 990.
In the demo select SSL Type "sslTypeImplicit", and SSL Port 990.
With implicit TLS/SSL the control connection is initially
established as a secure SSL connection, hence command
Auth will fail, this command is only required with explicit SSL.
Select SSL Type "sslTypeAuthTls" or "sslTypeAuthSsl" for an
explicit TLS/SSL connection, this type requires the AUTH command
being issued, if you do not use the "all in one methods".
Note that only "sslTypeAuthTls" is a RFC FTP SSL extension,
"sslTypeAuthSsl" is there for compatibility with some old servers
only. With explicit SSL/TLS ("sslTypeAuthTls" or "sslTypeAuthSsl")
the control connection starts non-secured and can be switched into
a secure connection by issuing the Auth command.
--
Arno Garrels
René Puyhaubert wrote:
> Hi,
>
> I want to connect to a secure ftp, with Ics component : TsslFtpClient
> I have tested this connexion with demo program : OverbyteIcsFtpTst1
> With any protocol ssl used, I have a connexion error at the Connect
> command.
> For example, with SsltypeAuthSsl, error is :
>> AUTH SSL
> < 534 AUTH command is disabled.
> Request 5 Done.
> StatusCode = 534
> LastResponse was : '534 AUTH command is disabled.'
> Error = 534 (534 AUTH command is disabled.)
> Command Failure
>
> I can connect with FileZilla with parameters :
>
> FTPES : Ftp over explicit TSL/SSL; port 990
>
> I have not this protocol with Ics.
> Is it possible to connect to this ftp server with Ics component :
> TSslFtpClient ?
>
> Thank you for your help ...
>
> René Puyhaubert
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