It makes a difference for me, but CanonicalizeHostname has to be in the right part of the file (not inside an inapplicable Host block; note that indentation doesn't actually matter). Perhaps I could see your whole .ssh/config?
It makes a difference for me, but CanonicalizeHos tname has to be in the right part of the file (not inside an inapplicable Host block; note that indentation doesn't actually matter). Perhaps I could see your whole .ssh/config?