Issue 2247 – Interoperability issues with servers that have broken implementation of newer SFTP versions

2023-12-27 13:18

What gives an impression of a bug in WinSCP, as the server bug manifests with WinSCP, but not other major SFTP clients, which do not support the newer SFTP versions.

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https://winscp.net/forum/viewtopic.php?t=30563
https://winscp.net/forum/viewtopic.php?t=32891
https://winscp.net/forum/viewtopic.php?t=33890
https://winscp.net/forum/viewtopic.php?t=13592
https://winscp.net/forum/viewtopic.php?t=14946
https://winscp.net/forum/viewtopic.php?t=24296
https://winscp.net/forum/viewtopic.php?t=27237
https://winscp.net/forum/viewtopic.php?t=13798

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In such case, the problem can be workarounded by setting Preferred SFTP protocol version to 3:
https://winscp.net/eng/docs/ui_login_sftp