Steps: 0. configure a remote host with a ssh key that you store locally as ~/.ssh/not_plain_id_rsa 1. Add a host config in ~/.ssh/config like so: Host xyz HostName some.valid.host.com User valid_user IdentityFile ~/.ssh/not_plain_id_rsa 2. add ~/.ssh/not_plain_id_rsa to ssh-agent's list of cached keys (using ssh-add) 3. Verify that it's valid by running ssh xyz from the command line (execute ssh -v xyz - you should see that the key ~/.ssh/not_plain_id_rsa is used, instead of the default ~/.ssh/id_rsa) 4. enter sftp://xyz/ in dolphin's address bar expected: dolphin connects without asking for a passphrase for the key or a password and lists the file and folders in / on the remote machine 5. enter fish://xyz/ in dolphin's address bar expected: same behavior as for step 4. actual: dolphin complains about the host being unknown I think it might be related to https://bugs.kde.org/show_bug.cgi?id=284643.
Thanks for the bug report. I'll reassign to kio/sftp. I cannot say anything about this issue myself because I don't know much about sftp (I don't even know if sftp is actually supposed to read .ssh/config).
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!