Wireshark-dev: Re: [Wireshark-dev] Getting destination IP

From: Jeff Morriss <jeff.morriss@xxxxxxxxxxx>
Date: Wed, 21 Mar 2007 09:09:40 +0800

Did you see my answer to your question in your previous email? (At the top of the email I said something about the Excel doc but I tried to answer your question below that.)

sara vanan wrote:

Hi,

I am doing a DNS proxy for IPV6. For this I have to get the destination IP(DNS Sever IP stored in the client PC.
I am trying to use Wireshark source code for getting the desdtination IP.

for example

client IP -> 192.168.16.67 <http://192.168.16.67/> DNS ( destination IP) -> 192.168.16.106 <http://192.168.16.106/>

By using the Wireshark GUI  I use DNS filter  and it displays

source IP                   destination IP
192.168.16.67 <http://192.168.16.67/> 192.168.16.106 Request <http://192.168.16.106/>

then
192.168.16.106 <http://192.168.16.106/> 192.168.16.67 Response <http://192.168.16.67/>


And in LINUX  when I am executing  with the  command

/home/saravanan/ethereal- 0.99.0/tethereal -c 10 port 53


[root@hestia ethereal-0.99.0 ]# /home/saravanan/ethereal-0.99.0/tethereal -c 5 port 53
Capturing on eth0
0.000000 192.168.16.67 <http://192.168.16.67/> -> 192.168.16.106 <http://192.168.16.106/> DNS Standard query A www.samedi.org <http://www.samedi.org/> 0.004528 192.168.16.106 <http://192.168.16.106/> -> 206.51.233.130 <http://206.51.233.130/> DNS Standard query A www.samedi.org <http://www.samedi.org/> 0.177348 206.51.233.130 <http://206.51.233.130/> -> 192.168.16.106 <http://192.168.16.106/> DNS Standard query response A 206.51.233.130 <http://206.51.233.130/> 0.178324 192.168.16.106 <http://192.168.16.106/> -> 192.168.16.67 <http://192.168.16.67/> DNS Standard query response A 206.51.233.130 <http://206.51.233.130/> 6.968992 192.168.16.67 <http://192.168.16.67/> -> 192.168.16.106 <http://192.168.16.106/> DNS Standard query A statse.webtrendslive.com <http://statse.webtrendslive.com/> 6.970539 192.168.16.106 <http://192.168.16.106/> -> 220.73.220.4 <http://220.73.220.4/> DNS Standard query A statse.webtrends.akadns.net <http://statse.webtrends.akadns.net/> 7.028039 220.73.220.4 <http://220.73.220.4/> -> 192.168.16.106 <http://192.168.16.106/> DNS Standard query response A 63.236.111.50 <http://63.236.111.50/>


it displays ( www.google.co.in <http://www.google.co.in/>) URL link IP. Instead of this I want to filter only the source IP and destination IP. For this what kind of filters should I use.

Kindly help me regarding this.


Thanks
Saravanan











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