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The Domain Name System (DNS) is a key naming system used in the Internet. Recently, the deployment of IPv6 and the DNS pre-fetch function in web browsers has significantly changed DNS usage. Furthermore, content delivery networks (CDNs) use complicated DNS configurations together with small TTL values to control their traffic. These three factors significantly increase DNS traffic. Thus, the importance...
Recently, the variety and vastness in networks have increased rapidly. To keep networks stable and reliable, network administrators have to understand the nature of network traffic flows. In this paper, we propose a method to analyze network traffic using firewall logs. The characteristics of our method are 1) the use of the aggregate flow information, and 2) the use of cardinality information of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.