I was confused at what you were saying at first. For those that may also be confused: You can add something like this to your robots.txt: User-agent: *

I was confused at what you were saying at first. For those that may also be confused: You can add something like this to your robots.txt: User-agent: * Disallow: /some/unguessible/url And then you ban any IPs/bots that visit that URL.