Kyle Gilman

<p>This plugin does one thing and one thing only. It adds the text <code><meta name="robots" content="noindex"></code> to the header of any password-protected post. Google and all other respectable search engines will leave your password-protected pages out of their search results.</p>


Noindex Password-Protected Posts

Disables search-engine indexing for all password-protected posts.

modernwebstudios

<p>This plugin add meta tag noindex,nofolow to head of any attachment page().</p>


MWS Noindex Attachment Pages

This plugin add meta tag noindex,nofolow to head of any attachment page().

Noindex Password-Protected Posts vs MWS Noindex Attachment Pages