Most casual data transfers could be done through the login nodes, by pointing your transfer tool to. Lastly, on accepting this (wrong) unknown host fingerprint, the host is not added to my ~/.ssh/known_hosts file either and Cyberduck therefore repeatedly issues the same unknown host message.For large transfers, using DTNs is recommended So, with my limited understanding, it appears Cyberduck is receiving the correct fingerprint, but can't verify it yet subsequently still issues an unknown host message (with the wrong fingerprint). ch.sudo.cyberduck: .TransportException: Could not verify `ecdsa-sha2-nistp256` host key with fingerprint `f0:2a:ce:00:bf:cc:fe:15:51:32:42:42:7d:f8:08:be` for `` on port Aug 13 07:55:39 Mac Cyberduck: ERROR .TransportImpl - Dying because - \n\.TransportException: Could not verify `ecdsa-sha2-nistp256` host key with fingerprint `f0:2a:ce:00:bf:cc:fe:15:51:32:42:42:7d:f8:08:be` for `` on port \n at .KeyExchanger.verifyHost(KeyExchanger.java:206)\n at .KeyExchanger.handle(KeyExchanger.java:353)\n at .TransportImpl.handle(TransportImpl.java:458)\n at .code(Decoder.java:107)\n at .Decoder.received(Decoder.java:175)\n at .n(Reader.java:61) This yields the correct unknown host fingerprint.įurthermore, I've deleted all keys in /etc/ssh/ on the Ubuntu server and reconfigured openssh-server, in an earlier test, as well, with:Īug 13 07:55:39 Mac. The host key-fingerprint is 58:83:70:ba:84:04:66:c7:5c:f6:82:1d:6f:51:79:f1.Īs you can see, the fingerprint does not match any of the earlier mentioned host key fingerprints.Įventhough I'm not a professional system administrator and therefore not entirely sure Cyberduck is the culprit, I've tried to verify that Cyberduck is indeed the one issuing the wrong fingerprint, instead of the Ubuntu server itself, by connecting to the Ubuntu server with cli sftp in terminal from the same Mac. Verifying that the file ~/.ssh/known_hosts on my Mac is empty, and connecting to this Ubuntu server, Cyberduck currently yields the following message (roughly translated from Dutch):
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