[jira] Updated: (SSHD-94) Properly handle SFTP version communication

["Matthew Schulze (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-94?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthew Schulze updated SSHD-94:
--------------------------------

    Attachment: Change_version_response.patch

The attached patch changes the SFTP version response to reply as described in the issue.

> Properly handle SFTP version communication
> ------------------------------------------
>
>                 Key: SSHD-94
>                 URL: https://issues.apache.org/jira/browse/SSHD-94
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Matthew Schulze
>         Attachments: Change_version_response.patch
>
>
> The current SFTP system refuses connection to SFTP versions other than 3' While this behavior is appropriate for the lower versions, many SFTP clients appear to expect the maximum version supported by the server to be returned in order to use the correct command set and will disconnect when the 'Version not supported' response is given. The SFTP server should return the minimum of (requested version or supported version) unless the client requests a command set for v1 or v2. 

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