Next, find “, ” (comma then space) and replace with nothing. Once you copy both sent and received data, you are going to paste it into Notepad or whichever text editor you prefer. I am copying the first packet sent with data here. Remember, red is what we’re sending and blue is what we’re receiving back. Copy the first two arrays, separated by the /* Packet */ indicators. WhatsUp® Gold understands and translates these for us. You’ll need to switch the ‘Show and save data as’ to ‘C Arrays’. In my example here Red = Sent, Blue = Received. In the filter textbox for Wireshark, type tcp.port = 3389.Īfter you start following the TCP Stream, you will get a secondary window as seen below. We know RDP is going to use port 3389 TCP/UDP, so let’s apply a filter in Wireshark for that. We will RDP to any system that accepts a connection and wait for it to prompt for our credentials. In our example here, we are going to go to Start > Run > mstsc > OK. While you are capturing, perform your operation. Once you have it downloaded, run the program and begin capturing. I will update with step-by-step instructions when I have time to do so. Note: Sorry this isn’t quite step-by-step yet but hopefully the screenshots get the point across. Wireshark is freely available and can be downloaded here. So how do we send the data properly? Well, first we need to start up Wireshark and begin listening. You can also send data, receive data, and verify the received data is correct. The not so frequently used TCP/IP monitor is more than just seeing if a port is open/closed. What would be the easiest way to monitor this? I figured why not just simulate a connection attempt? We can do this pretty easy in WhatsUp® Gold. I had a request recently to monitor RDP connections, not just that the service was running but that the system was accepting new RDP sessions.
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