Wireshark mailing list archives

Re: pcap / winpcap filters


From: "marco\@marcomp\.it" <marco () marcomp it>
Date: Thu, 29 Apr 2010 14:49:17 +0200

Hi,
    yes, that's what I did in the past but if I use this filter string I can only get the packet that lookup on my 
ethernet interface ....  while I need to see all the packets that are not send to / comes from my eth interface subnet .
 
I did a port mirroring on a Layer3 switch so on the mirroring  port I can see all the packets of some subnet and they 
will necessary not match my eth interface subnet .....Thanks !
Marco 
Da: wireshark-users-bounces () wireshark org
A: "Community support list for Wireshark" wireshark-users () wireshark org
Cc: 
Data: Thu, 29 Apr 2010 14:09:46 +0200
Oggetto: Re: [Wireshark-users] pcap / winpcap filters

Hi,

Would that be a capture filter like: 'port 53 or port 5060'

Thanks,
Jaap

On Thu, 29 Apr 2010 11:39:17 +0200, "marco\@marcomp\.it"
 wrote:
I need to filter some traffic (before capturing it) using the pcap /
winpcap filter but this traffic comes from some different subnet (
different from my eth interface subnet ).
So if I apply a filter the pcap show me the packet that can lookup on my
eth interface only ...
How can I get the filtered traffic that comes from "everywhere"
(0.0.0.0/0) ?

I need to filter the data traffic before sending it to whireshark
because
I only need to check the DNS and SIP traffic for a long time ( may be
for
more than 1 week )... so I don't want to store Gbyte and Gbyte of not
helpful data on my pc.....

Have you any suggestion ?


Marco

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