用Resin ThrottleFilter防小规模DOS攻击

作者:anotherbug 日期:2007-10-17 16:53:07

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Denial of Service (DoS) attacks

The most common method used in DoS attacks on a server is to flood the server
with useless traffic, overloading the network's capacity. A real DoS attack is
best handled by a firewall or operating system. Any real DoS attack is going
to try to overwhelm your TCP, so you need the OS kernel to refuse to accept
packets for the offending system.

For a less extreme DoS attack, you can use
com.caucho.filters.ThrottleFilter
to minimize the number of concurrent
requests.

In configurations that use a cluster, the
ThrottleFilter should be used on the front-end server that is running the
LoadBalanceFilter. If using IIS or Apache then throttling features
of those servers should be used.

ThrottleFilter to manage DoS attacks

 
 <filter filter-name="throttle"  
         filter-class="com.caucho.filters.ThrottleFilter"> 
  <init max-concurrent-requests="5"/> 
 </filter> 
  
 <filter-mapping url-pattern="/*" filter-name="throttle"/>

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标签: Resin ThrottleFilter DOS attack 攻击

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