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Getting Started: Tshark
tshark-basics | Level: Easy | Total Lab Runs: 0 | Premium Lab |
- Which version of Tshark is installed in the lab?
- Find all Tshark supported network interfaces for monitoring
- What is the Tshark command to sniff on eth0? Why did this command fail?
- Tshark supports PCAP files. The lab environment has a sample file: HTTP_traffic.pcap. How can you read this file in Tshark and display the packet list on the console?
- How can you find the total number of packets in HTTP_traffic.pcap?
- Tshark command to read the first 100 packets only from HTTP_traffic.pcap?
- Print the list of protocols in HTTP_traffic.pcap
This is an easy lab but here are some hints :)
- Most command line tools list all valid options when run without arguments or with predictable flags such as -h
- Once you discover the options, listing all support interfaces should be easy
- Why can't you sniff eth0? Should any user on a Linux system be allowed to monitor network traffic?
- Reading files should be easy once you figure out how to list all available options for Tshark
- Listing number of packets can be done in multiple ways including piping Tshark's output to other common Linux command line tools
- Locate the packet count option
- There is an option to list all protocols and corresponding protocol count under the statistics option
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