Batman Posted October 26, 2015 Posted October 26, 2015 Hi guys, So I've been tasked with finding out what the coil number is that the source is monitoring and I have captured traffic from a network. I've never heard of a coil number, and after looking through the packet information I'm just completely lost. Can anyone point me in the right direction of TCP Modbus packet analysis to discover information about modbus traffic? Yes, I've googled it. The information was a little over my head. I need a teacher! :P Thanks for your time! I've attached the captured traffic to this. I've been using wireshark for analysis. Quote
cooper Posted October 26, 2015 Posted October 26, 2015 It's all new to me too, but the wikipedia article explains quite a lot. Read that and then use this knowledge to try to make your question more specific. Quote
Batman Posted October 26, 2015 Author Posted October 26, 2015 I figured it out. It was under the Modbus section of the traffic. Coil numbers are the reference numbers. Quote
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