DSA SSH keys not in PubkeyAcceptedKeyTypes
I added an SSH key to my account on gitlab.com and was unable to use it to checkout my projects. Running
ssh -v email@example.com gave the following message:
$ ssh -v firstname.lastname@example.org OpenSSH_7.1p1-hpn14v5, OpenSSL 1.0.2d 9 Jul 2015 ... debug1: Connecting to gitlab.com [126.96.36.199] port 22. debug1: Connection established. ... debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Skipping ssh-dss key /home/chris/.ssh/id_dsa for not in PubkeyAcceptedKeyTypes debug1: No more authentication methods to try. Permission denied (publickey).
After adding an RSA key, I was able to clone my repositories as normal.
If the site does not accept SSH key authentication with DSA keys for whatever reason, it would be helpful if the page for adding SSH keys tells the user about this (e.g. a message saying "this server does not support authentication with DSA keys, please use an RSA or ECDSA key").