Snapdragon Tech Blog

Musings of a systems administrator and open source developer

2023

Apr 28

Using Yubikey with OpenSSH in PIV Mode (2023 Edition)

2020

Nov 14

Block Google Forms Spam using Rspamd Multimaps

Feb 23

Direct FIDO2/U2F Support in OpenSSH 8.2 on macOS

2019

Apr 27

Using a Yubikey to Secure SSH on macOS (Minimalist Version)

Mar 23

Recognize Emails with Spoofed Sender

2017

May 22

Update all macOS Apps with a Single Command

Feb 7

Find sites vulnerable to WordPress Content Injection Vulnerability

Jan 1

Optimize Spamassassin Detection Rate

2014

Oct 22

SSLv3 no longer supported

2013

Nov 23

Case study: Howard Johnson Hotel – how NOT to sell your Wifi

Jul 7

Setting Postfix to encrypt all traffic when talking to other mailservers

2012

Jun 10

UPC Vienna Wifi-Passwords easily broken with GPUs

Jan 29

Secure backups in an untrusted cloud with duplicity