There’s not too many good books on computer networking, or on Wireshark and packet analysis in general. The one we definitely keep on our shelf is Practical Packet Analysis, “Using Wireshark to Solve Real-World Network Problems, by Chris Sanders of chrissanders.org. A self described “packet ninja”, Chris has, obviously, literally wrote the book on using packet captures in network troubleshooting.
We also like it because it mentions a certain really awesome web-based packet analysis platform - Chris has been an enthusiastic supporter of CloudShark since it first came out in 2010.
Each summer, we here at QA Cafe (the makers of CloudShark) like to take a few days to flex our programming and problem solving skills with what we call the “Summer Coding Challenge”.
This year, our developer’s challenge was to create a Battleship bot intended to play against other bots. Our devs were allowed to use any language, script or OS that they desired, to accomplish the following tasks:
Read the map.
We’re very excited to see CloudShark in use at the r00tz Asylum event this week in Las Vegas. r00tz Asylum is a nonprofit dedicated to teaching kids around the world how to love being white-hat hackers: those who enjoy thinking of innovative new ways to make, break and use computing and networking technology to make a better world. Formerly DEFCON Kids, the event is an important part of the constant task of filling the technology pipeline with the next generation of experts and gurus.
We’ve already been geeking out over the multitude of things you can do with the new packet capture and CloudShark upload support in the popular open source OS for embedded devices, OpenWrt.
In addition to the ability to troubleshoot packet-level detail on home gateways, or monitoring wireless traffic, OpenWrt’s packet capture feature can turn any embedded device to a packet capture node that can instantly upload its data to CloudShark.
Have you ever wanted to capture and analyze what network traffic your smartphone or tablet is sending? Maybe you are developing a new app and need to debug a network issue, or maybe you are just curious about what network traffic an app is sending. Using a wireless router running OpenWrt with the CloudShark package makes capturing this traffic easy!
Once you have the OpenWrt CloudShark package installed connect your device to your OpenWrt wireless network and browse to the Status page of the OpenWrt router.
Have you ever wanted to embed a packet trace right into the blog post you were writing? We know you have. You’ve told us you want that! When a screenshot of the decode won’t do, you can use your CloudShark Appliance to share individual frame decodes in blog posts, documentation, help forums, and pretty much anywhere else you can write HTML.
Let’s see it in action!
Here’s packet #2 from our TCP Fast open example.