Wireshark · Wireshark-dev: Re: [Wireshark-dev] filter expression required

[Amit Paliwal <Amit.Paliwal@xxxxxxxxxxxxxxx>]

Command line:-    
wireshark -i  \Device\NPF_{52EFAA93-34C5-4F7E-80AE-638A48E3F1BD} -k
-f  UDP

but I want something like

Command line:-    
wireshark -i  \Device\NPF_{52EFAA93-34C5-4F7E-80AE-638A48E3F1BD} -k
-f  UDP contains my_protocol

so that only my_protocol gets sniffed.

"Gilbert Ramirez" <gram@xxxxxxxxxxxxxxx>
Sent by: wireshark-dev-bounces@xxxxxxxxxxxxx

07/02/2007 11:47 AM

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To	"Developer support list for Wireshark" <wireshark-dev@xxxxxxxxxxxxx>
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Subject	Re: [Wireshark-dev] filter _expression_ required

Can you show us the command-line you are using?

--gilbert

On 7/2/07, Amit Paliwal <Amit.Paliwal@xxxxxxxxxxxxxxx
> wrote:

yes that is what i am saying, when i try to give   a filter from Wireshark
GUI i am able to do so, but I want the same scenario in command line also....not
from GUI.

"Gilbert Ramirez" <gram@xxxxxxxxxxxxxxx>
Sent by: wireshark-dev-bounces@xxxxxxxxxxxxx

07/02/2007 11:31 AM

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Subject	Re: [Wireshark-dev] filter _expression_ required

A pcap filter? You mean a capture file? The pcap/capture filter syntax
does not provide a 'contains' keyword, so it's not possible. You can only
use 'contains' in the display filter syntax, which is unique to wireshark
(and tshark, etc.) 

--gilbert

On 7/2/07, Amit Paliwal <Amit.Paliwal@xxxxxxxxxxxxxxx
> wrote: 

yes i am using 'contains' keyword, and i am giving name of my protocol
which is a string..... 
i am running it on Windows and i used 'udp contains my_protocol' also but
its not working....... 

i need to give filter expressions defined by pcap, but i am not getting
any documentation of it.

"Gilbert Ramirez" <gram@xxxxxxxxxxxxxxx >
Sent by: wireshark-dev-bounces@xxxxxxxxxxxxx

07/02/2007 11:15 AM

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Subject	Re: [Wireshark-dev] filter _expression_ required

You're really using the "contains" keyword? That's for strings
and
binary strings.

The spaces in your filter are probably confusing the shell when you
invoke wireshark/tshark from the command-line. Are you running on
Unix? Use single quotes around your filter:

tshark ............ 'udp contains xxx'

--gilbert

On 7/2/07, Amit Paliwal <Amit.Paliwal@xxxxxxxxxxxxxxx
> wrote:
>
> I want to set command line filter _expression_ for proprietary protocol
that
> is registered over UDP by its name. I am able to do it directly in
Wireshark
> GUI by setting the _expression_ as "UDP contains my_protocol",
but I need to
> do the same from command line that I am unable to do right now.
>
> Please suggest.
>
> Regards,
>
> ______________________________________________________________________
>
> _______________________________________________
> Wireshark-dev mailing list
> Wireshark-dev@xxxxxxxxxxxxx
> http://www.wireshark.org/mailman/listinfo/wireshark-dev
>
>
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