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How to stop dos and ddos attack on web servers

Networking & Security


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  #1  
Old 21-05-2009
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Join Date: Jan 2009
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How to stop dos and ddos attack on web servers
  

Hi,
I am going to set a new server on freebsd. Can anyone help me to prevent or stop the dos or ddos attacks on web servers?

Any help will be appreciated.

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  #2  
Old 21-05-2009
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Join Date: Apr 2008
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Re: How to stop dos and ddos attack on web servers

There are no short-term solutions to eliminate DDoS attacks. All systems have their limits. One way to make a system more survivable is to increase these limits; the more resources there are, the better the chances are that the system will survive an increased demand for use. For a web service, the webmaster might increase the number of connections that a web service can accept. This spreads the increased load over more computers and helps to ensure that no one computer operates too near its limit.
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  #3  
Old 21-05-2009
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Join Date: May 2008
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Re: How to stop dos and ddos attack on web servers

You can stop DDoS attack from php by following steps:
  • Open php.ini
  • Find safe_mode = off and change it to safe_mode = on
  • Then fine safe_mode_gid = off and change it to safe_mode = on
  • Restart your webserver
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  #4  
Old 21-05-2009
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Re: How to stop dos and ddos attack on web servers

A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users. You can check this thread for prevention: What is DDoS attack?
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