Packet Analysis

Cloud packet capture with AWS VPC traffic mirroring

July 15, 2019 · 4 min read

Amazon Web Services Virtual Private Cloud includes a traffic mirroring feature that, when combined with CloudShark, is the key to cloud application and network troubleshooting that you've been looking for.

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Packet analysis

Using a Raspberry Pi to proxy, capture, and decrypt data from mobile and IoT devices

5 min read

Have you ever wondered what your “smart toaster” was sending back to the internet about you? Or how your WiFi dog food dispenser knows your schedule? Our engineer Tom did, but he didn’t have a great way to capture the network traffic sent by mobile and IoT devices. So he turned a Raspberry Pi into a access point/network proxy capable of capturing packets and decrypting SSL within CloudShark, and now you can too. Keep reading

Capture challenges

How we built our 2018 Holiday capture challenge

16 min read

We love building capture challenges, and in the process we learn a lot about networking, packets, and the tools that exist to manipulate and generate them. It took around seventy-five individual pcaps to deliver our Holiday challenge. Settle in as we get into the details of how we create it all. Keep reading

Capture challenges

How we made the 2018 Halloween capture challenge

7 min read

In depth on creating a capture challenge using custom built captures Every so often we like to come up with a special capture challenge where people can use CloudShark to dive into some packet analysis and find the solution. But often the interesting story is about the methods we use to make the captures themselves - generating and capturing very specific packets to make the challenge interesting. Being packet geeks, it’s also really fun. Keep reading