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https://issues.apache.org/jira/browse/SSHD-400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Goldstein Lyor updated SSHD-400:
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Attachment: 0012-SSHD-400-Ignore-SFTP-extension-data-in-SSH_FXP_INIT-.patch
Recommended code change
> 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
> Attachments:
> 0012-SSHD-400-Ignore-SFTP-extension-data-in-SSH_FXP_INIT-.patch
>
>
> 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 (BTW, there was
> also a logging error - the message was logging the received version *before*
> the value was initialized...)
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