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Old 09-30-2005, 11:56 PM   #1
JWT2
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retransmiting tcpdump capture file?


Hello,
I am running debian sarge. I would like to know if anyone knows of a good
graphical interface software that will allow me to retransmit a tcpdump capture file? I have a project I am doing at work, and this would be of great help. I would like to run on gnome, if possible. Thank you.
 
Old 10-02-2005, 08:03 AM   #2
Gibsonist
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Good tool, yes - GUI, NO!

as with most networking on *NIX you have to use the consol.

But have a look at tcpreplay (also available from debian)
http://tcpreplay.sourceforge.net/

Hope it is what you are looking for
 
Old 10-04-2005, 07:47 AM   #3
archtoad6
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Look at ethereal, which I have used; & and its CLI counterpart tethereal, which I haven't.

Different capture format, possibly better. I believe more comprehensive.
 
Old 10-05-2005, 06:37 PM   #4
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Ethereal will provide a nice GUI for examining the packets (its compatible with tcpdump's output format) but I don't think it can replay them across the network.
 
Old 10-06-2005, 11:25 AM   #5
archtoad6
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Maybe we should have asked what you meant by "retransmit a tcpdump capture file"?

Ethereal can certainly capture to file & replay the captured files. It's nice to learn that it's compatible w/ tcpdump.

To do this over a network, you will need to:
  • run VNC,
  • forward an X session,
  • or, maybe, use ssh & tethereal.
What are you asking for?
 
Old 10-06-2005, 05:46 PM   #6
tkedwards
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How do you get Ethereal to replay the captured packets? I'm using 0.10.12 on a Centos4.1 box and I can't see an option for it anywhere?
 
Old 10-06-2005, 06:10 PM   #7
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Tcpreplay seems to do what you want:
http://linux.softpedia.com/get/Progr...lay-2786.shtml
 
Old 10-06-2005, 08:27 PM   #8
archtoad6
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I hope by "replay" you mean view again, not something involving retransmission.

It's as easy as opening (File, Open -- Ctrl-O) a capture file.
 
Old 10-06-2005, 09:26 PM   #9
tkedwards
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No I meant retransmission, which I'm guessing can't be done in Ethereal
 
Old 10-09-2005, 08:27 AM   #10
archtoad6
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Just checked Snowbat's Tcpreplay link, looks like it's just what you're asking for.
 
  


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