Wireshark-users: Re: [Wireshark-users] Determining which ports a device is making requets on

From: Dotan Cohen <dotancohen@xxxxxxxxx>
Date: Tue, 8 Jun 2010 14:37:26 +0300
On 8 June 2010 14:26, Jaap Keuter <jaap.keuter@xxxxxxxxx> 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

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