DoS

From: Heidi (mcps@private)
Date: Tue Nov 06 2001 - 20:21:14 PST

  • Next message: Crispin Cowan: "Re: DoS"

    This sounds like what I was discussing about stopping the attack before it
    reaches the intended target.  Heidi
    
    
    Projects Agency (DARPA), security technology firm Cs3 is looking at the
    concept of reverse firewalling, or keeping the flood of data from a DoS
    attack dammed up at the source.  The Reverse Firewall works by filtering
    the outgoing packets from a network. The difference between a legitimate
    application that uses high bandwidth and a packet flooding attack is
    that, in the former case, the machine at the other end of the
    conversation is participating in a two-way conversation. In the case of
    a DoS attack, the exchange is one sided.  (Source: Vnunet, 6 November)
    



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