Use +1 (555) 123-4567 ext. 890. It’s immediately identifiable as a phone number and encodes semantic information in its format, including the area code, exchange code, and line number. Good UX should minimize cognitive load on the user. It
I’ve found there’s no better way for blue teamers to gain active defense experience than to do “live fire” exercises against a red team. I’m usually pretty hard on the blue teamers in these exercises. They are given admin credentials to a n…
Shocker is a retired easy Linux box by mrb3n. It was released on October 3rd, 2017. I began by scanning the machine: We have Apache running on port 80 and OpenSHH on port 2222. I usually start with SSH because if password bruteforcing seems…
Delivery is a retired easy Linux box by ippsec, available on Hack The Box. It was released on January 9th, 2021. I began by scanning the machine: Let’s run a more intensive scan on the open ports: We have and SSH server on port 22, a webser…
In case you didn’t notice, my website has been offline for a good while—since Christmas 2022, I believe. Additionally, it now looks like this… While it used to look like this… I’ve migrated from building my site with my own custom static si…
Note that BTRFS swapfiles across multiple devices (pools, RAIDs) are not supported1. BTRFS on Linux kernels before version 5.0 can result in filesystem corruption2. From the Arch Wiki: Btrfs on Linux kernel before version 5.0 does not suppo…
After recently purchasing my first 3D printer, I have developed some thoughts on the technology in general. I’ve had friends in the 3D printing scene preach the virtues of the technology for years now. Still, I was unconvinced. It seemed li…
Soldering is an indispensable skill for countless fields of interest, from electric luthierie to car repair. While I am not a master at soldering, I hope by sharing what I have learned I may help beginners struggling to solder clean joints.…
Written by environmentalist Aldo Leopold, A Sand County Almanac is one of the most elegant pieces of nature writing I have ever read. While only formally educated in forestry, Leopold displays a mastery of language in his stunning descripti…
I have remodeled my entire server stack to better defend against critical vulnerabilities. I know this blogpost is long overdue, with the waves Log4Shell sent through the security world having mostly passed, but I promise my action was time…
I placed third at the end of the challenge, winning myself $50. This is how I solved the hardest and least-solved questions of each category. I’ve been trying to work on my resume recently, and what better way to do it than with a fun CTF o…
I have released my program Can on RubyGems and the Arch User Repository. I have a feeling this post is going to get hairy with a program name like Can! Can is an idea for a program I’ve had for a very long time. As the FreeDesktop.org trash…