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From "Boyle Owen" <Owen.Bo...@swx.com>
Subject [users@httpd] Automated requests originating from planet-lab domains
Date Wed, 22 Jun 2005 11:18:00 GMT
Greetings,

There have been several posts recently on the subject of how to block out robots which make
repeated, high-frequency requests even to URLs disallowed by robots.txt. 

Has anyone been experiencing attacks like this which have the following signature:

- source IP variable (chosen exponentially from a range of around 150 IPs)
- user agent like "Linuxx", "NETIKUS", "FileDownloader" etc.
- Referer is a spoofed bona fide web-page (often in the same geographical domain as the target)
- sending a GET request to the source IP address often returns a page like this: http://202.79.220.49/

Rgds,
Owen Boyle
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