Posts about Systems Administration

Not like I do this for a living or anything. A little bit of managing, a little bit of sysadminning Windows Server, some PowerShell, with a dash of SecOps.

PowerShell Polish, Part 1: Perfecting Your Scripts
- PowerShell
- Git
- tutorials
June 25, 2023 — Here's how to take your PowerShell script and turn it into the best version of itself.
SSHFP Records on Windows Server
- Windows
- Linux
- sysadmin
September 24, 2022 — SSHFP records are a vital part of securing SSH. However, Microsoft's DNS Server doesn't give us an easy way to add them. Here's how.
A File Format to Aid in Security Vulnerability Disclosure
- 2600
- security
- tutorials
May 19, 2022 — When security vulnerabilities are discovered by researchers, proper reporting channels are often lacking. As a result, bugs may be left unreported. Fortunately, there is a standard to help researchers to report vulnerabilities. (As featured in 2600: The Hacker Quarterly!)
Replacing OpenDKIM with dkimpy-milter
August 29, 2019 — OpenDKIM might be the gold standard, but the DKIM standard is evolving without it, so it's time to retire it.