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Block all bots/crawlers/spiders for a special directory with htaccess

I'm trying to block all bots/crawlers/spiders for a special directory. How can I do that with htaccess? I searched a little bit and found a solution by blocking based on the user agent:

RewriteCond %{HTTP_USER_AGENT} googlebot

Now I would need more user agents (for all bots known) and the rule should be only valid for my separate directory. I have already a robots.txt but not all crawlers take a look at it ... Blocking by IP address is not an option. Or are there other solutions? I know the password protection but I have to ask first if this would be an option. Nevertheless, I look for a solution based on the user agent.

Solution

  • You need to have mod_rewrite enabled. Placed it in .htaccess in that folder. If placed elsewhere (e.g. parent folder) then RewriteRule pattern need to be slightly modified to include that folder name).

    RewriteEngine On

RewriteCond %{HTTP_USER_AGENT} (googlebot|bingbot|Baiduspider) [NC]
RewriteRule .* - [R=403,L]
    1. I have entered only few bots -- you add any other yourself (letter case does not matter).
    2. This rule will respond with "403 Access Forbidden" result code for such requests. You can change to another response HTTP code if you really want (403 is most appropriate here considering your requirements).