[Vinoth S <weknowth59@xxxxxxxxx>]

Hi Team,

Please find below software version details:

CentOS Linux release 7.4.1708(core)

[root@192 ~]# rpm -qi wireshark

Name        : wireshark

Version     : 1.10.14

Release     : 14.el7

Architecture: x86_64

Windows 8.1 - 64bit

Wireshark-win64-2.2.12.exe

PFA for reference from cent-os execution.

I could understand different OS and Software versions will give different output. 

In case software is my issue, then how can achieve same thing in cent-os?

My ultimate aim is to satisfy this condition : (dns.flags.response==1) and (dns.a) => dns request has got response and ipv4 address is not empty

Thanks in advance.

On Thu, Jan 25, 2018 at 7:22 PM, Jaap Keuter <jaap.keuter@xxxxxxxxx> wrote:

Hi,

Not unless you give us the Wireshark version installed on your CentOS platform.

On 25 Jan 2018, at 14:30, Vinoth S <weknowth59@xxxxxxxxx> wrote:

Hi Team,

I am working on few exploration using tshark. Please find below command where I am extracting few fields from .pcap file. It has been executed in windows.

tshark.exe -r sample.pcap -E separator=, -E header=y -E occurrence=f -T fields -e frame.time -e frame.time_epoch -e frame.len -e ip.src -e ip.dst -e dns.resp.name -e dns.resp.type -e dns.resp.class -e dns.flags.rcode -e dns.a "(dns.flags.response==1) and (dns.a)" > sample.csv

I have tried in centos, it's not working. May I know what is an issue in below command.

tshark -r sample.pcap -E separator=, -E header=y -E occurrence=f -T fields -e frame.time -e frame.time_epoch -e frame.len -e ip.src -e ip.dst -e dns.resp.name -e dns.resp.type -e dns.resp.class -e dns.flags.rcode -e dns.a '(dns.flags.response==1) and (dns.a)' > sample.csv

(dns.flags.response==1) and (dns.a) => dns request has got response and ipv4 address is not empty

If possible, please share equivalent command for centos.

Thanks,

S.Vinoth

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