Wireshark mailing list archives

Re: Determining which ports a device is making requets on


From: Jaap Keuter <jaap.keuter () xs4all nl>
Date: Tue, 8 Jun 2010 14:10:20 +0200

Hi,

If you capture the network traffic you can click on a packet from the  
multimedia device and look at the protocol details dissected by  
Wireshark.

Thanks,
Jaap

Send from my iPhone

On 8 jun 2010, at 13:37, Dotan Cohen <dotancohen () gmail com> wrote:

On 8 June 2010 14:26, Jaap Keuter <jaap.keuter () xs4all nl> wrote:
Hi,

I think Wireshark can help you here. Start a capture on the network
interface the multimedia device is connected to, and trigger it into
communicating with the server. You can apply a display filter to  
focus on
their communication, by means of ip address of the multimedia device
(ip.addr == <IP address multimedia device>), or on TCP port number
(tcp.port == <port number>) or UDP port number (udp.port == <port  
number>),
whatever protocol is applicable, of the server process.


Thank you Jaap. I don't know the protocol or port numbers that are
actually being used. If I filter on IP address (which I do know) how
do I see the port number?

-- 
Dotan Cohen

http://gibberish.co.il
http://what-is-what.com
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