Why are there unknown URLs in router log?

Posted by Martin on Server Fault See other posts from Server Fault or by Martin
Published on 2009-05-17T11:09:38Z Indexed on 2010/04/10 11:23 UTC
Read the original article Hit count: 283

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network

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router

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log

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virus

I recently looked at my router log. Why are a lot of requests that I don't send originated from a computer in my home network?

They do not look like 3rd-party advertisements / images embedded in a page. The request have patterns, such as:

top-visitor.com/look.php
www.dottip.com/search/result.php?aff=8755&req=nickelodeon+games
www.placeca.com/search/result.php?aff=3778&req=wireless+cell+phone
www.bb5a.com/search.php?username=3348&keywords=flights
www.blazerbox.com/search.php?username=2341&keywords=colorado+springs+real+estate
www.freeautosource.com/search.php?username=sun100&keywords=vehicle
www.1sp2.com/search.php?username=20190&keywords=las+the+hotel+vegas
www.loadgeo.com/search/result.php?aff=10357&req=winamp
www.exalt123.com/portal.php?ref=seo2007
www.7catalogs.com/search.php?username=la24&keywords=shutter
www.theloaninstitute.com/search.php?username=kevin&keywords=webcam
www.grammt.com/search.php?username=2530&keywords=bob

And there are hundreds of these requests send within a second.

So what's happening?

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