Security
SPF & DKIM Records in Route 53
I'm going to do a more detailed post on emailing from Amazon's infrastructure soon, but in the meantime I wanted to quickly throw out solutions too a couple of …
Unregistering From WhisperPush After Flashing a New ROM
I've been playing around with my Nexus 5 lately. It was quickly rooted and I began playing with various ROMs that had been pre-built for the Nexus 5. My first …
Calculating RSA Key Fingerprints in Ruby
I regularly find myself working on projects that involve the manipulation and storage of RSA keys. In the past I've never had to worry about identification or …
Creating Crypt Style SHA512 Passwords With Ruby
I needed to generate crypt-style SHA512 passwords in ruby for an /etc/shadow file. After a bunch of Googling and messing around with the OpenSSL library I …
Using VIM as Your Password Manager
There are all kinds of password managers out there. Everything from web services that are quite solid and respectable, to native desktop apps. A lot of these …
Keep Your Gems Updated
I recently went back through my backups recently and found quite a few old abandoned projects. Looking back on the code I see some things I'm impressed with, …
Auditing Heroku SSH Keys
A good friend of mine recently left the organization I work for and the task of resetting our passwords and auditing credentials fell on me. Since we use Heroku …
Security Through Obesity
Jeremy Spilman recently proposed changes to how user's hashes are stored in website's and companies databases. This post was originally going to look at some of …
Thoughts on IPv6 Security and Mitigation
I setup IPv6 on my home network with an OpenWRT router and Hurricane Electric and now I suddenly have an opinion on the state of IPv6 security. This is …