I have a site that I'm migrating to Aegir and have discovered that when an anonymous user visits the node add form (node/add/machine_name) they receive a 403 error served up by Nginx. On this particular site I really do need anonymous users to create nodes, at the end they are presented with a payment gateway.
So, I first want to confirm that the 403 is standard behavior. If it is, that's totally fine with me because it seems to make sense. But, is there a way to override it on a site-by-site basis?