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Posted to dev@mina.apache.org by "Goldstein Lyor (JIRA)" <ji...@apache.org> on 2015/01/08 11:30:34 UTC

[jira] [Created] (SSHD-400) Ignore SFTP extension data in SSH_FXP_INIT message

Goldstein Lyor created SSHD-400:
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             Summary: Ignore SFTP extension data in SSH_FXP_INIT message
                 Key: SSHD-400
                 URL: https://issues.apache.org/jira/browse/SSHD-400
             Project: MINA SSHD
          Issue Type: Improvement
            Reporter: Goldstein Lyor
            Priority: Minor


According to the [specification](see https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt) - section 4 - Protocol Initialization - the _SSH_FXP_INIT_ message may contain optional extension strings and "Implementations MUST silently ignore any extensions whose name they do not recognize.".

While such extensions may be rare, IMO we don't want the SSHD server to fail talking to such clients. Attached is a patch in that spirit.



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