Tagged: DSA

SSH: Public Key - not in PubkeyAcceptedKeyTypes

- by Oleg Ivanchenko

After upgrading to OS X El Capitan and corresponding upgrade of MacPorts I faced a problem of ssh connection using a public key. While debugging:

$ ssh -v hostname

I have got:

debug1: Skipping ssh-dss key /Users/<user>/.ssh/id_dsa for not in PubkeyAcceptedKeyTypes

The fix was to add to ~/.ssh/config the following string:

PubkeyAcceptedKeyTypes ssh-css

However it was a good trigger to evaluate RSA vs. DSA usage for SSH authentication keys. A good topic for discussion ...

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