Wireshark (What is middle pane in Wireshark?) As we mentioned in the previous post, we would cover the middle pane in Wireshark. In this post, I’ll briefly go over a few elements in each section of that pane. But before that, I’d like you to review the OSI model (shown below). You may be surprised, but the middle pane in Wireshark is actually organized in the same sequence as the OSI model — from bottom to top. Image source: Wireshark interface I have randomly selected this packet — it’s a TCP packet. The packet is highlighted in red because the connection was reset (as indicated by the RST flag in the Info column). There could be a variety of reasons for this, but most commonly, it’s due to latency issues or an application crash. Image source: Wireshark interface The first section is the Frame, which corresponds to the Physical layer of the OSI model. This is where the actual conversion of bits into electr...