I was getting prompted for a password when typing in
vagrant ssh, which was surprising. The username and password is vagrant/vagrant which I didn’t see documented anywhere (it’s been a while since I used vagrant).
When sshing manually I noticed this error:
sign_and_send_pubkey: no mutual signature supported
Anyway the tl;dr to fix ssh is to create a file
~/.ssh/config and put the following in it:
The box seems to use an older version of ssh that uses deprecated security mechanisms, so you might want to remove it when done.