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 Topic: Apache in WAMP stack - High CPU on 404 requests |
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fitzgerac
Joined: 24 Jun 2013
Posts: 12
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 Posted: Wed 21 Oct '15 16:45 Post subject: Apache in WAMP stack - High CPU on 404 requests |
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Hi, we have several Wordpress sites hosted on Bitnami Windows WAMP stacks.
On all of the sites, if a request is made that results in a 404, the CPU spikes to 100%. IF our sites get probed by hackers, they make hundreds of 404 request per minute, thus hanging my websites.
So I have 2 questions:
1) Is there a way to stop the 404 requests from spiking the CPU?
2) Is there a way to automatically "shun" an IP or ignore its requests if it makes more than X number of 404 requests in X amount of time?
Thanks in advance for any help! |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7371
Location: Germany, Next to Hamburg
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| Posted: Sat 24 Oct '15 13:29 Post subject: |
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To block a client after n 404 requests isn't that easy.
The question is why your 404 page is so cpu consuming. Do you generate a page or deliver a static page? |
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fitzgerac
Joined: 24 Jun 2013
Posts: 12
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| Posted: Mon 26 Oct '15 17:35 Post subject: |
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| The 404 page is a PHP generated page provided by the Wordpress theme we have applied. |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7371
Location: Germany, Next to Hamburg
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| Posted: Tue 27 Oct '15 0:30 Post subject: |
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| Ah ok wordpress. Do you use a caching plugin? If not you should do. I had the same problem before using a caching plugin. So far best for me (TM) is W3Total cache. |
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