Re: [Wireshark-users] Use tcpdump to capture for Wireshark?

2006-10-24 Thread John Oliver
On Tue, Oct 24, 2006 at 01:55:22PM -0400, [EMAIL PROTECTED] wrote:
> John,
> 
> You might also need/want to add "-s0" to let it capture the entire
> packet including payload. This will let Wireshark do a better job at
> decoding the protocol.
> (By default tcpdump will only grab the first 68 bytes.)

Thanks for all the help! :-)

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Re: [Wireshark-users] Use tcpdump to capture for Wireshark?

2006-10-24 Thread jrhendri
John,

You might also need/want to add "-s0" to let it capture the entire
packet including payload. This will let Wireshark do a better job at
decoding the protocol.
(By default tcpdump will only grab the first 68 bytes.)

Jim

- Original Message -
From: Guy Harris <[EMAIL PROTECTED]>
Date: Tuesday, October 24, 2006 1:26 pm
Subject: Re: [Wireshark-users] Use tcpdump to capture for Wireshark?
To: Community support list for Wireshark 

> John Oliver wrote:
> > I redirected the output of tcpdump to an ASCII text file, but 
> Wireshark> doesn't like that.  How can I capture traffic with 
> tcpdump in a format
> > that Wireshark will understand?
> 
> By using the "-w" flag.  (That's also how you capture traffic with 
> tcpdump in a format that tcpdump will understand, and that some 
> other 
> free and commercial tools will understand.  It's libpcap format, 
> the 
> same format that Wireshark/TShark uses.)
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Re: [Wireshark-users] Use tcpdump to capture for Wireshark?

2006-10-24 Thread Guy Harris
John Oliver wrote:
> I redirected the output of tcpdump to an ASCII text file, but Wireshark
> doesn't like that.  How can I capture traffic with tcpdump in a format
> that Wireshark will understand?

By using the "-w" flag.  (That's also how you capture traffic with 
tcpdump in a format that tcpdump will understand, and that some other 
free and commercial tools will understand.  It's libpcap format, the 
same format that Wireshark/TShark uses.)
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Re: [Wireshark-users] Use tcpdump to capture for Wireshark?

2006-10-24 Thread LEGO
try
tcpdump -w filename.cap

On 10/24/06, John Oliver <[EMAIL PROTECTED]> wrote:
> I redirected the output of tcpdump to an ASCII text file, but Wireshark
> doesn't like that.  How can I capture traffic with tcpdump in a format
> that Wireshark will understand?
>
> --
> ***
> * John Oliver http://www.john-oliver.net/ *
> * *
> ***
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>


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[Wireshark-users] Use tcpdump to capture for Wireshark?

2006-10-24 Thread John Oliver
I redirected the output of tcpdump to an ASCII text file, but Wireshark
doesn't like that.  How can I capture traffic with tcpdump in a format
that Wireshark will understand?

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