Update - after reading through the mailing list archives I advanced the
cause slightly - it seems as if the remote server may be using SSL v.3 So
I added the line

easy.SetOpt(CURLoption.CURLOPT_SSLVERSION,
CURLsslVersion.CURL_SSLVERSION_TLSv1)

And kept these lines:

easy.SetOpt(CURLoption.CURLOPT_FTP_SSL, CURLftpSSL.CURLFTPSSL_ALL);

easy.SetOpt(CURLoption.CURLOPT_FTPSSLAUTH, CURLftpAuth.CURLFTPAUTH_SSL);

Now, I see these results - what could be the problem here? Do I need
another flag?

Connected to secftp.targetbase.com (12.154.34.199) port 21

220 MOVEit DMZ FTP

AUTH SSL

234 SSL enabled start the negotiation

SSLv3, TLS handshake, Client hello (1):

_SLv?, Unknown (2):

/

error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number

-----Original Message-----
From: curl-users-bounces_at_cool.haxx.se
[mailto:curl-users-bounces_at_cool.haxx.se]
Sent: Tuesday, December 06, 2005 5:13 PM
To: 'curl-users_at_cool.haxx.se'
Subject: LibCurlNet: SSL23_GET_SERVER_HELLO error with secure ftp site

I am using the .Net wrapper for Curl to try and transfer a file to a secure
ftp site.

I have verified that I can transfer a file using my login by using KBear
(linux) to upload file selecting its ftps option.

I am using the sample code called Upload.cs , but I added these options (I
tried

most of the other enum values for these options with the same results)

      easy.SetOpt(CURLoption.CURLOPT_FTP_SSL,
CURLftpSSL.CURLFTPSSL_CONTROL);

easy.SetOpt(CURLoption.CURLOPT_FTPSSLAUTH, CURLftpAuth.CURLFTPAUTH_DEFAULT);

I've attached the c# code to this post.

Here is the debug output when I try to connect and upload using LibCurlNet:

About to connect() to secftp.targetbase.com port 21

  Trying 12.154.34.199...

connected

Connected to secftp.targetbase.com (12.154.34.199) port 21

220 MOVEit DMZ FTP

AUTH SSL

234 SSL enabled start the negotiation

SSLv2, Client hello (1):

_'3_rror:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol

Closing connection #0

The program '[2516] curftpsamples.exe' has exited with code 0 (0x0).

  _____

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Received on 2005-12-07