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https://issues.apache.org/jira/browse/NET-326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13007581#comment-13007581
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Sebb commented on NET-326:
--------------------------

I'm still working on this. 

Currently experimenting with a separate KeyManagerUtils class in parallel with 
the TrustManagerUtils class.

These can hopefully be used directly with FTPClient using the set???Manager 
methods.

I've got that mostly working, but there are still some loose ends to tie up. 
Hopefully in the next few days.

> A KeyManager is required when the protection level is set to 'P' with 
> FTPSClient on active mode
> -----------------------------------------------------------------------------------------------
>
>                 Key: NET-326
>                 URL: https://issues.apache.org/jira/browse/NET-326
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 2.0
>         Environment: Windows XP profesional service pack 2, Java Java 
> 1.6.0_12-b04 
>            Reporter: Terence Dudouit
>         Attachments: SSLContextsFactory.java
>
>
> Using a simple FTPS client that list a directory, when execPROT("P") is set 
> and the active mode is on, the following exception is thrown :
> javax.net.ssl.SSLException: No available certificate or key corresponds to 
> the SSL cipher suites which are enabled.
>       at 
> com.sun.net.ssl.internal.ssl.SSLServerSocketImpl.checkEnabledSuites(SSLServerSocketImpl.java:303)
>       at 
> com.sun.net.ssl.internal.ssl.SSLServerSocketImpl.accept(SSLServerSocketImpl.java:253)
>       at 
> org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:489)
>       at 
> org.apache.commons.net.ftp.FTPSClient._openDataConnection_(FTPSClient.java:494)
>       at org.apache.commons.net.ftp.FTPClient.listNames(FTPClient.java:1950)
>       at org.apache.commons.net.ftp.FTPClient.listNames(FTPClient.java:1996)
>       at 
> fr.enovacom.eai.actions.dynamiques.protocole.ftp.FTPGet.testFTPS(FTPGet.java:379)
>       at 
> fr.enovacom.eai.actions.dynamiques.protocole.ftp.FTPGet.main(FTPGet.java:401)
> This doesn't occur on passive mode.
> The only way to make it work is to set a keyManager although there is no need 
> for a client authentication.

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