|Subject:||Re: FTP/SSL (FTPS): 425 Unable to build data connection|
|Posted by:||Remy Lebeau \(Indy Team\) (re…@lebeausoftware.org)|
|Date:||Mon, 17 Jan 2011|
"jvlad" <dm…@yandex.ru> wrote in message
> The server does not send any data on data-channel.
Then the server is at fault. TIdFTP is establishing a valid connection.
> Everything works good up to the moment when server accepted
> data-connection. At this point client turns PassThrough off initiating
> SSL handshake, the handshake finishes without errors, but after
> that an attempt to read from IO returns 0 meaning EOF.
That means the server is intentionally disconnecting the data connection,
indicating it has finished sending its data.
> At this moment command-channel returns error 425 Unable to
> build data connection: Operation not permitted.
That is a server-side error. It accepted the connection, but does not like
something about its characteristics.
> It seems to be an ssl issue because all the related commands : AUTH TLS,
> PBSZ 0, PROT P, etc are the same as in my FTPS implementation on
> top of indy9.
Then the fault is on the server end. Check PROFTPD's logs for errors. For
Remy Lebeau (TeamB)
FTP/SSL (FTPS): 425 Unable to build data connection posted by jvlad on Mon, 17 Jan 2011