Daniel Miessler

It’s Time to Get Back to RSS

A lot of people who were on the internet in the early 2000’s remember something called RSS. It stands for Really Simple Syndication, and it allowed conten

Moving your SSH port isn’t security by obscurity

I just came across another post on Hacker News talking about why you shouldn’t move your SSH port off of 22 because it’s Security by Obscurity. Ther

Google AMP Is Not a Good Thing

You might have used Google’s new AMP project without even knowing. It’s a technology that makes mobile page results load very quickly on Google, it

Obscurity Is a Valid Security Layer

Good Obscurity vs. Bad Obscurity Camouflage OPSEC An SSH Example Reducing Impact or Probability Summary Many of us are familiar with a concept know as Security

Why Putting SSH On Another Port is a Good Idea

Google is getting left behind due to horrible UI/UX

Dec 14, 2020 I’ve been writing for probably a decade about how bad Google’s GUI is for Google Analytics, Google Apps, and countless of their other p

To Master Vim, Use It Like Language

A comprehensive Vim tutorial that teaches Vim as a language rather than memorizing commands. Learn movements, text objects, visual mode, and advanced techniques.

A tcpdump tutorial and primer

Less Commonly Used Unix Commands

I'm worried it might get bad

Starting to worry things might get very bad, very soon

An lsof Primer

Key Options Getting Information About the Network User Information Commands and Processes Files and Directories Advanced lsof is the sysadmin/security über-tool

Obscurity Is a Valid Security Layer

Good Obscurity vs. Bad Obscurity Camouflage OPSEC An SSH Example Reducing Impact or Probability Summary Many of us are familiar with a concept know as Security

DNS servers that offer privacy and filtering

If you’re a programmer, a systems administrator, or really any type of IT worker, you probably have your favorite go-to IP addresses for troubleshooting.

Hacker News Coverage of the NSA Stories (IMG)

A Vim Tutorial and Primer

A git Primer

Definitions git‘s Index Branches Remote Repositories Merges Managing a Website Using git Tags Essential Commands git is a wicked-powerful distributed revi

What You Learned About How Planes Fly Was Probably Wrong

So we all know how planes fly, right? The top of the wing is rounded and the bottom of the wing is more straight. Air takes longer to travel over the top of the

Flattr, and Why It's Brilliant

Flattr is an exciting new social networking / micro-payment service that allows you to set a donation amount that gets divided among all the different content y