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From Roman Makurin <dro...@gmail.com>
Subject Re: [NET] "550 SSL/TLS required on the data channel" using FTPSClient
Date Tue, 02 Oct 2012 08:10:06 GMT
On Wed, Sep 19, 2012 at 3:08 PM, Randy Nel Gupta <gupta@scaratec.com> wrote:
> Hi all!
>
> I have a probleme reading data with FTPClient on a FTP-Server (ProFTPD
> 1.3.3a) that requires encryption on the data channel. Everything works fine
> without encryption on an other server.
>
> My code is:
>
> FTPSClient ftpsClient = new FTPSClient("TLS", false);
> log.debug("using TLS");
> FTPClientConfig ftpClientConfig = new
> FTPClientConfig(FTPClientConfig.SYST_UNIX);
> ftpClientConfig.setServerLanguageCode("de");
> ftpsClient.configure(ftpClientConfig);
> ftpsClient.addProtocolCommandListener(new PrintCommandListener(new
> PrintWriter(System.out))); // outputs all conversation to the console
> ftpsClient.connect(host, 21);
> ftpsClient.login(username, password);
> ftpsClient.enterLocalPassiveMode();
> ftpsClient.changeWorkingDirectory(pathname);
> listNames = ftp.mlistDir();
> ftpsClient.logout();
>
> What I get from the output is
>
> 220 ProFTPD 1.3.3a Server (xxx) [xxx]
> AUTH TLS
> 234 AUTH TLS successful
> USER xxx
> 331 Password required for xxx
> PASS xxx
> 230 User xxx logged in
> CWD /www/catalog
> 250 CWD command successful
> PASV
> 227 Entering Passive Mode (xxx).
> MLSD
> 550 SSL/TLS required on the data channel
> QUIT
> 221 Goodbye.
>
>
> Any idea how to configure FTPSClient to use TLS/SSL on the data channel?
> Your help would be appreciated!
>
> Regards Randy

Hi. This should solve ur problem:

ftpsClient.execPROT("P");

-- 
If you think of MS-DOS as mono, and Windows as stereo,
 then Linux is Dolby Digital and all the music is free...

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