Prevent google from indexing pdf files

Support
1

Is there anyway to prevent search engines like google from indexing pdf files? I know that we can do something like

<Files ~ "\.pdf$">
  Header set X-Robots-Tag "noindex, nofollow"
</Files>

in htaccess for normal websites. But how this is possible for discourse?

5

It is possible to manually edit robots.txt now. You can add

Disallow: /*.pdf

to your robots.txt

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