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Modified column shows "Unknown" for all files and folders when connecting to Couchdrop.io SFTP #11178

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cyberduck opened this issue Sep 21, 2020 · 4 comments
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bug sftp SFTP Protocol Implementation thirdparty Issue caused by third party

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@cyberduck
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dc91ae5 created the issue

The "Modified" (timestamp) column for all file objects shows as "Unknown" for Couchdrop SFTP server. I've confirmed I do see modified timestamps as expected on an sftp connection with different client connected to same server so the problem may be limited to when using Couchdrop.
I can confirm the issue is the same as when connected to Couchdrop FTP server instead of SFTP.


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@cyberduck
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@dkocher commented

The server response from Couchdrop is obviously missing the modification date.

@cyberduck
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dc91ae5 commented

As I reported and proved with the attached screenshot, the server is sending the modification date. Indeed other clients are correctly showing that.

@cyberduck
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@dkocher commented

I have just tested this with an account and can reproduce the problem. The server does not send the required attribute flags as defined in valid-attribute-flags. Not sure yet how OpenSSH sftp manages to display a meaningful value.

@cyberduck
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@dkocher commented

This will be fixed by Couchdrop.

@iterate-ch iterate-ch locked as resolved and limited conversation to collaborators Nov 27, 2021
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