Selected answers from the Dumb SEO Questions Facebook & G+ community.
Richard Hearne: Can you please define "protected" in terms of what happens when non-registered/Googlebot requests come through?
Andras Radics: Richard Hearne Hi Richard, They are presented with a page simple page asked them to log in or purchase a membership.
Richard Hearne: I think over time you`ll see these pages fall out of Google`s index, or at least not rank. I don`t think you need to do anything here, but you may want to re-appraise your gating strategy - could you provide some content that might deliver traffic/conversions on these pages? A simple login/register page may not be best for business.
The other question - if I come from a search result do you present the login on the same URL, or redirect me somehow?