Thursday, November 21, 2024

SSH Engines broken by November 12, 2024 Windows update

If you are using SSH engines that rely on OpenSSH (and not PuTTY), you may find that they stopped working after the November 23 Windows 11 update.  The reason is that OpenSSH has been updated to version 9.5 and this affects how the scp command works. It now uses the SFTP mode by default and it breaks compatibility with earlier versions.

To fix this, you need to edit the settings of your ssh engine and add a new option –O to the scp command options.  This options instructs scp to work in a backward compatible manner.  With this change you will find that your SSH engines work as before the update.

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