Then, I will convert the codes into hex format, which is " 43 65 6c 61 6c 2e 44 6f 67 61 6e". Step-6: " User-Name" field is a string in ASCII format. In the next step, we will modify the user name in the RADIUS packet. We have successfully made the modification. Next, open the text file from File → Open menu. Use " Ctrl +F" short cut to find the hex series we want to modify like below. Thus, I will open the trace file in Wireshark and find the bytes that match the source IP address. Step-3: Before we make the changes, we need to specify which bytes to modify. To be honest, I thought I made a time travel when I saw the old GUI □ĪLSO READ: 15 Top Wireshark IP Filters with Examples I installed 1.12.7 (32-bit) version on my virtual machine. Method-1: Using Packet Editor in legacy Wiresharkįirst thing first, although it took me some time to find a Wireshark version with GTK based GUI, here is the link ( ) to download and install it. I will explain a couple of methods to modify packets through or with help of Wireshark. Newer Wireshark versions may not support it, which does not mean we can not find a workaround. Unlike newer Wireshark, Legacy Wireshark supports an experimental feature that lets you to modify a packet fields. Even though the internal functions are mostly the same, the different GUIs may provide different features. Newer Wireshark versions use QT (it is a cross-platform application development framework) based Graphical User Interface (GUI), while old versions of Wireshark use GTK (it is a free and open-source cross-platform widget toolkit for creating graphical user interfaces) based GUI. The answer to this question depends on what version of Wireshark you use. The user wanted to modify fields like source IP address, destination IP address etc. Recently, I have come across a question regarding editing a RADIUS packet with Wireshark on.
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