USBPcap is experimental, and it could cause USB problems on your PC. If you are prompted to install USBPcap, do NOT install USBPcap for normal traffic capture. Follow the on-screen instructions to install Wireshark. Download the latest stable version of Wireshark from Choose the software version you need based on your PC’s architecture and operating system.ī. Instructions Part 1: Capture DNS Traffic Step 1: Download and install Wireshark.Ī. If using a packet sniffer such as Wireshark is an issue, the instructor may wish to assign the lab as homework or perform a walk-through demonstration. It is recommended that permission is obtained before running Wireshark for this lab. Instructor Note: Using a packet sniffer such as Wireshark may be considered a breach of the security policy of the school. 1 PC with internet access and Wireshark installed.In this lab, you will install Wireshark and use Wireshark to filter for DNS packets and view the details of both DNS query and response packets. Because Wireshark allows you to view the packet details, it can be used as a reconnaissance tool for an attacker. Wireshark allows you to filter traffic for network troubleshooting, investigate security issues, and analyze network protocols. Wireshark gives a detailed breakdown of the network protocol stack. Wireshark is an open source packet capture and analysis tool. Part 3: Explore DNS Response Traffic Background / Scenario.Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only. 17.1.7 Lab – Exploring DNS Traffic (Instructor Version)
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