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Will block thousands of IP by IIS depress performance

Want to know if performance will down if block too much IP

     
5:20 pm on Mar 3, 2008 (gmt 0)

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Hi there

These days tooooo much spider fake as IE or something else and crasy claw pages from thousands of different IPs.

I am serious thinking block them automatically after caught by spider-trap.

So here is problem, if I do it, maybe will block thousands of IP all the time even I move the IP not come for one month.

Does this worth it? Will block too many IPs lower down the performance of IIS.

Thanks

2:30 am on Mar 5, 2008 (gmt 0)

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WebmasterWorld Administrator bill is a WebmasterWorld Top Contributor of All Time 10+ Year Member Top Contributors Of The Month

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There are many threads here on blocking IPs [google.com]. There are certainly different schools of thought out there on the best way to do it. How would you be handling this on IIS?
8:09 am on Mar 5, 2008 (gmt 0)

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I make a spider trap page, blocked by robots.txt file, and in a hidden link the normal visitor cannot see. The result is effective, caught lots of spiders, and put the IPs into a txt file. The last step is use asp.net load the IPs into IIS settings automatically.
 

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