#Wireshark for mac tutorial series#
Once you click on one of these packets it will fill the bottom frame with information about that packet.Įach packet will be broken up into a series of expandable sections. This will look something like this.Ĭlicking on a line in this list will select a single packet of information. You will only see traffic that contains olsr packets sent by devices around you. This will slow down the number of packets you see significantly. To filter the packets you are seeing on the airwaves to only show OLSR Traffic you type olsr in the filter section. We will be using the OLSR filters to make sure we only see Commotion mesh traffic. One of the many reasons I love Wireshark is because they have created a series of filters for various types of traffic. Double click on wlan0 and check the "use monitor mode" box.Ĭlick "OK" and then click on the start button in the main window to begin monitoring the wifi around you.Ĭommotion currently uses the mesh networking protocol OLSR to mesh. To set your wireless interface to listen to all traffic, and not just traffic between it and devices it is talking to we need to set it to “monitor” the airwaves. Now that our radio is ready and wireshark is opened we need to configure it. Replace with the channel the wireless device you will be monitoring is using for its mesh. If you want to copy and paste the following commands in your device copy the lines without the dollar sign. These Debian based instructions should work on most Linux systems with only minor modification. Following these instructions WILL interfere with your devices ability to mesh if used on the device running Commotion.īefore you get started monitoring wireless traffic you must prepare the radio on the computer running wireshark. You can use wireshark to monitor your own device as well, but these instructions are about passively monitoring the airwaves. NOTE: If you will be examining a linux computer running the commotion client these instructions should be run from a DIFFERENT COMPUTER. We will need an unencrypted packet to help us find the encrypted packets that we create later.
#Wireshark for mac tutorial password#
If you want to follow along make sure that you DON'T set a mesh encryption password just yet. Setting up your Devicesīefore you start you should follow one of the Commotion Installing & Configuring guides to set up the device you will monitor. This guide is written for Wireshark running on a Linux device, but can be applied to wireshark debugging on any compatible device. This will allow us to look at the difference between encrypted and unencrypted traffic on a router running Commotion to see if encryption is working. The program Wireshark, a network analyzer for Windows and Linux, allows you to monitor network traffic to see the actual packets of data being sent around you.
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