12 Tcpdump Commands – A Network Sniffer Tool

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Narad Shrestha

He has over 10 years of rich IT experience which includes various Linux Distros, FOSS and Networking. Narad always believes sharing IT knowledge with others and adopts new technology with ease.

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30 Responses

  1. Skye says:

    The description of "-n" is not correct. That option simply skips name resolution.

  2. Tanmay Pradhan says:

    very useful to execute day to day task.

  3. Lakshmisha says:

    How to print this page/save as PDF there is no option provided here.

    • Ravi Saive says:


      Sorry we currently don’t have any feature to save the page as PDF, but we are planning to introduce “Save as PDF” feature soon..

  4. DPow says:

    Really excellent article on tcpdump commands, liked how the commands are explained.

  5. Zoran Veljković says:


    I rarely use Linux but now, for one reason, I have to, because I have a problem with my provider.

    I use the Cisco IP Phone 7911 in the company. The address of the remote TFTP server is My CISCO phone can not establish a connection because, I suppose, the provider blocked ports or services at my address.

    For connection to a remote TFTP server we use the Mikrotik router. I would like to use the tcpdump command to get a response, where there is a problem in the path to my TFTP server.
    Can you help me?


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