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METHOD FOR ALLOWING AND BLOCKING A USER PC WHICH CAN USE INTERNET AT THE SAME TIME IN A PRIVATE NETWORK THEROF A METHOD FOR ANALYZING AND DETECTING A JUDGEMENT ABOUT WHETHER NAT(NETWORK ADDRESS TRANSLATION) CAN BE USED OR NOT USING A TRAFFIC DATA, AND THE NUMBER OF TERMINALS SHARING NAT

  • US 20110185060A1
  • Filed: 10/28/2008
  • Published: 07/28/2011
  • Est. Priority Date: 10/10/2008
  • Status: Active Grant
First Claim
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1. A method for analyzing and detecting a judgement about whether NAT can be used or not by analyzing a traffic under a circumstance monitoring the traffic, and the number of sharing terminals comprising,a step for extracting a user agent value of a packet header message by analyzing the traffic;

  • a step for analyzing a user agent value based on a key, that is, an identification value or an IP, and executing a unique management by comparing it with a user-agent pool (UAPool);

    a step for storing collected user agents uniquely at a constant time interval;

    a step for collecting the stored user agents at a constant time interval for a constant time or for a constant period according to a key, that is, an identification value or an IP, and for counting the number of sharing terminals;

    a step for making amendments by applying an amendment rule on the number of sharing terminals; and

    a step for storing results obtained by amendment in a database according to a key, that is, an identification value or an IP.

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