Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.

Agent nodes can’t retrieve their configurations
    Is the Puppet master reachable from the agents?
    Do your agents have signed certificates?
    Do agents trust the master’s certificate?
    Can agents reach the filebucket server?

Some common issues that can prevent the different parts of Puppet Enterprise from communicating with each other.

IBM® QRadar® Security Intelligence Platform provides a unified architecture for integrating security information and event management (SIEM), log management, anomaly detection, incident forensics, incident response, and configuration and vulnerability management.

So you're at home tonight, having just installed Wireshark. You want to take the program for a test drive. But your home LAN doesn't have any interesting or exotic packets on it? Here's some goodies to try. Please note that if for some reason your version of Wireshark doesn't have zlib support, you'll have to gunzip any file with a .gz extension.

The Companion to Media Studies and Digital Humanities is about researching media through new media: for example, playing games to better understand their politics and mechanics, exhibiting new media art to witness how people engage it, building stories to become more familiar with their structures and narratives, making wearable technologies to explore the overlaps between norms and fashion, or developing software to examine its relation to writing and literacy.

This is a list of public packet capture repositories, which are freely available on the Internet.
Most of the sites listed below share Full Packet Capture (FPC) files, but some do unfortunately only have truncated frames.

This blog post looks at the final part of creating secure software: shipping it to users in a safe way. It explains how to use transport security and package signatures to achieve this goal.

Presentation video: Reverse-engineering CPUs for fun and profit

I’ve managed to collect and create a lot of packet capture files over the past few years as a part of my teaching and learning, so I’ve decided to post some of those here. You are free to download and use these captures as you like with no restrictions. If you do find them useful however, I do ask you mention where they came from.