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Thread: what does ethreal do?

  1. #1
    Join Date
    Feb 2004

    what does ethreal do?

    I am just wondering what data does the ethreal captures? Is it just the amount of data that flows in the internal networks or it does capture the data on internet as well. Does it keep the trace of amazon or ebay passorwd ? hotmail yahoo and other chattings?

    What is ethreal for? Well I have installed one and I do analyse the traffic and data but I don't know anyhing beside that, I don't know the purpose and why I am doing I just know I am network student.

    Any help , so that i could spend more time on that.

  2. #2
    Just a Virtualized Geek MrLinus's Avatar
    Join Date
    Sep 2001
    Redondo Beach, CA
    Maybe you should ask what an AO Search Engine does or a gander at a Google Search on Packet Sniffing

    To answer your questions:

    1. ethereal captures whatever packets it sees
    2. yes and no. if you are connected to a lan then you'll see whatever your network card sees on the lan. if you are conncted directly to the internet then you'll see whatever passes by the NIC there. Note: look up promicuous for more info.
    3. trace? what do you mean "trace"?
    4. encrypted versions
    5. From ethereal's website: Ethereal is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education

    Start learning how to do research.
    Goodbye, Mittens (1992-2008). My pillow will be cold without your purring beside my head
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  3. #3
    AO Ancient: Team Leader
    Join Date
    Oct 2002
    Ethereal captures every packet available to it on the network. It then decodes every packet it can, (it can't do encrypted packets), and presents them to you in a human readable form. It can apply filters at capture or at display so you can zero in on specific traffic you are interested in. Used properly is can be an extrememly powerful tool for network analysis etc.


    Ms. M:

    Ya know, sometimes I think you do that on purpose.... Just to peeve me....

    Don\'t SYN us.... We\'ll SYN you.....
    \"A nation that draws too broad a difference between its scholars and its warriors will have its thinking done by cowards, and its fighting done by fools.\" - Thucydides

  4. #4
    AO's Mr Grumpy
    Join Date
    Apr 2003
    Originally posted here by Tiger Shark

    Ms. M:
    Ya know, sometimes I think you do that on purpose.... Just to peeve me....
    Of course she does
    Computer says no
    (Carol Beer)

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