Niklas Gustavsson commented on FTPSERVER-97:

Agreed on the need for encryption (after reading the RFC excerpt). I think that 
means that we should try to deactivate any ciphers that only give signing. 
Anyone got a suggestion for how to do that? We could of course disable those 
above specifically, but that will break as soon as a new hashing algorithm is 
introduced (something quite likely at the moment as both MD5 ans SHA1 is pretty 
much broken).

> SSL data connection enables all supported ciphers
> -------------------------------------------------
>                 Key: FTPSERVER-97
>                 URL: https://issues.apache.org/jira/browse/FTPSERVER-97
>             Project: FtpServer
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.0-M1
>            Reporter: Steve Jones
> The SSL implementation that is used by default for FTP data transfers 
> (DefaultSsl) enables all SSL cipher suites:
>   String cipherSuites[] = serverSocket.getSupportedCipherSuites();
>   serverSocket.setEnabledCipherSuites(cipherSuites);
> This is likely to enable ciphers such as:
> Which means that there is no confidentiality for the transport (in other 
> words authentication will occur but after that communication is in the 
> clear). 
> Usually you would not want to allow this, so it is best not to enable all 
> ciphers.
> Here's a reference to this issue for another apache project:
>   http://mail-archives.apache.org/mod_mbox/avalon-apps-dev/200209.mbox/[EMAIL 

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