Blocking yandex.ru bot

Posted by Ross on Server Fault See other posts from Server Fault or by Ross
Published on 2010-04-29T07:49:12Z Indexed on 2010/04/29 7:58 UTC
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robots.txt

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search-engine

I want to block all request from yandex.ru search bot. It is very traffic intensive (2GB/day). I first blocked one C class IP range, but it seems this bot appear from different IP ranges.

For example:

spider31.yandex.ru -> 77.88.26.27 spider79.yandex.ru -> 95.108.155.251 etc..

I can put some deny in robots.txt but not sure if it respect this. I am thinking of blocking a list of IP ranges.

Can somebody suggest some general solution.

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