You can grant anonymous access to the space, and just apply a "Restriction" to the other top-level pages. (FAQ and HOW-TO must be top-level, without restrictions)
The restrictions are inhertied by any child pages, and so applying at the top will ensure all content is locked.
https://confluence.atlassian.com/display/DOC/Page+Restrictions
Online forums and learning are now in one easy-to-use experience.
By continuing, you accept the updated Community Terms of Use and acknowledge the Privacy Policy. Your public name, photo, and achievements may be publicly visible and available in search engines.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.