The term "index" suggests a catalog or a list, a method of organizing information for easy retrieval. When we affix "private" and "verified" to this concept, we introduce two conflicting demands. "Private" implies exclusivity, a restriction on access, suggesting that the information is sensitive and should not be freely available. On the other hand, "verified" implies a process of validation or authentication, which often requires that information be accessible, at the very least, to those doing the verification.

However, robots.txt is a , not a wall. Google respects it by default, but if another search engine (like Bing or Yandex) ignores it, or if the server is linked from a public forum, the files can still be found.

on this topic, it is best to approach it through the lens of Security and SEO