Methods and apparatus for detecting unwanted traffic in one or more packet networks utilizing string analysis

Methods and apparatus for detecting unwanted traffic in one or more packet networks utilizing string analysis

  • CN 101,529,862 A
  • Filed: 10/23/2007
  • Published: 09/09/2009
  • Est. Priority Date: 11/03/2006
  • Status: Active Application
First Claim
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1. , a kind of method that is used to detect the harmful traffic carrying capacity that receives by target victim, described target victim has one or more destination addresses, said method comprising the steps of:

  • Safeguard the rule base of the one or more string expressions of sign;

    Analyze the one or more error entries in the journal file, described journal file comprises the one or more requests that described target victim receives;

    Determine described one or more request whether comprise with described rule base in the character string that is complementary of one or more string expressions;

    AndIf described one or more request comprise with described rule base in the character string that is complementary of described one or more string expressions, then send notice message to central filter.

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