Using tcpdump

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  • Tham khảo bài thuyết trình 'network traffic analysis using tcpdump', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf76p vuthuong 08-08-2009 148 34   Download

  • The objectives of this course are to introduce you to the fundamentals and benefits of using tcpdump as a tool to analyze your network traffic. We’ll start with introducing concepts and output of tcpdump. One of the most important aspects of using tcpdump is being able to write tcpdump filters to look for specific traffic. Filter writing is fairly basic unless you want to examine fields in an IP datagram that don’t fall on byte boundaries. So, that is why an entire section is devoted to the art of writing filters....

    pdf76p huyhoang 07-08-2009 150 27   Download

  • While this section may be somewhat difficult to understand especially if you haven’t been exposed to this theory before, it is more than just an academic exercise. In order to comprehend network traffic at its most visceral level, you will have to understand tcpdump filters. Also, familiarity with tcpdump filters is necessary if you want to process tcpdump files for some trait. For instance, if you wanted to identify the beginning of a TCP connection, you would search for traffic with the SYN bit alone set....

    pdf39p huyhoang 07-08-2009 65 12   Download

  • Our goal in writing Network Intrusion Detection, Third Edition has been to empower you as an analyst. We believe that if you read this book cover to cover, and put the material into practice as you go, you will be ready to enter the world of intrusion analysis. Many people have read our books, or attended our live class offered by SANS, and the lights have gone on; then, they are off to the races. We will cover the technical material, the workings of TCP/IP, and also make every effort to help you understand how an analyst thinks through dozens of examples....

    pdf346p thutrang 17-08-2009 92 33   Download

  • Reference Material W. Richard Stevens, TCP/IP Illustrated, Volume 1 The Protocols, Addison-Wesley Eric A. Hall, Internet Core Protocols, O’Reilly Craig H. Rowland, “Covert Channels in the TCP/IP Protocol Suite”, Ofir Arkin, “ICMP Usage in Scanning”, Fyodor, “Remote OS detection via TCP/IP Stack FingerPrinting” Thomas Ptacek, Timothy Newsham, “Insertion, Evasion, and Denial of Service: Eluding Network Intrusion Detection”, www.robertgraham.

    pdf13p huyhoang 07-08-2009 137 16   Download

  • MEASURING WIRELESS LANs to develop an algorithm to predict the next AP that a user will visit; this was capable of predicting the correct AP 87% of the time over the trace. Schwab and Bunt measured the WLAN at the University of Saskatchewan in 2003 [20]. They used a network sniffer and Cisco LEAP authentication logs to trace 18 APs over a one-week period. Unlike most other measurement studies, this study did not use the tcpdump sniffer, but an alternative program called EtherPeek

    pdf10p thachsaudoi 22-12-2009 56 9   Download


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