Thanks Aaron for you quick response

Okay for my first question, I should be looking for something other for
now.

Yes I meant filtering on the client flows and as you suggested I tried
to filter through wireshark using the ip.source tag and display on the
list I wanted and save them to a new pcap and that helped.

Thanks Again
Stanley

-----Original Message-----
From: Aaron Turner [mailto:synfina...@gmail.com] 
Sent: Wednesday, April 22, 2009 5:13 PM
To: Main forum for tcpreplay
Subject: Re: [Tcpreplay-users] HTTP RST message send from Client

On Wed, Apr 22, 2009 at 4:54 PM, Stanley Mathew <smat...@2wire.com>
wrote:

[snip problem about sending traffic to a http server]

http://tcpreplay.synfin.net/trac/wiki/FAQ#Doestcpreplaysupportsendingtra
ffictoaserver

> Also wanted to take this occasion to ask about how to create a pcap
file
> with client transactions only using tcpprep from a pcap file which has
both
> client and server replies?

I'm not really sure what the ask is here. "client transactions"?
Basically tcpprep is for creating a cache file for later use with
tcpreplay/tcprewrite- it doesn't create pcap files.

If you're looking to filter out some packets from a pcap file to only
get a specific client/server traffic, then I'd use tcpdump.

something like:

tcpdump -i old.pcap -w new.pcap -s 0 host <client ip> and host <server
ip>

would do the trick.  you can even filter based on port(s) to limit to
a specific connection.  More info in the tcpdump man page.

-- 
Aaron Turner
http://synfin.net/
http://tcpreplay.synfin.net/ - Pcap editing and replay tools for Unix &
Windows
Those who would give up essential Liberty, to purchase a little
temporary
Safety, deserve neither Liberty nor Safety.
    -- Benjamin Franklin

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