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Author: Jeff Starr
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Jeff Starr
Jeff Starr is a web developer, author, and teacher specializing in web security and building awesome things with WordPress. His online projects include Plugin Planet, DigWP.com, and WP-Mix.com. Jeff writes books, runs his own business, writes about web development, and makes video tutorials at Lynda.com.

Protect Against Humans.txt Query-String Scans

I woke up this morning to the sound of thousands of 404 requests hitting the server. It’s sad that there are kiddies out there who have nothing better to do than buy some pathetic $50 script and then sit there like an imbecile harassing people for hours on end. But alas, that is the world […] Continue »

WordPress Plugin: USP Pro

After months of deleopment and a low-key “soft-launch”, I’m pleased to announce my first premium WordPress plugin, USP Pro, the supercharged version of my free WP plugin, User Submitted Posts. USP Pro enables you to create and customize infinitely many front-end forms and display them anywhere on your WordPress-powered site. Continue »

Testing HTTP Requests

Just a quick post with some tips for troubleshooting and testing HTTP requests. For example, if you have a plugin that sends requests behind the scenes via Ajax or cURL or whatever, it’s nice to have a way to view request details such as headers, the response, and everything in between. This article is aimed […] Continue »

2014 Micro Blacklist

Over the past several months, I’ve assembled a “micro” blacklist to keep some recent threats at bay. Eventually, this will be integrated into the next nG Blacklist, but for now I just wanted to post and share with anyone else who is actively monitoring their server logs and aware of the recent spike in malicious […] Continue »

Theme Update: shapeSpace v1.7

shapeSpace is the starter WordPress theme that I use to build sites like Plugin-Planet.com and DigWP.com. I use it because it includes all of the most commonly used template tags and a minimal amount of clean markup. Additonally, shapeSpace includes a robust set of custom functions that make it easy to add and modify theme […] Continue »

Book Sale!

As mentioned, I’ve been super busy updating stuff, and have new versions available for Digging Into WordPress, .htaccess made easy, and The Tao of WordPress. To celebrate the updates, I’m having a “Fall Sale” on all books, with combo deals available for bundled books. Continue »

WordPress Plugin Updates!

It may not seem like it, but I’ve been super busy updating books, plugins, and websites with all sorts of new goodness. I just finished updating all of my free WordPress plugins that are hosted at the WordPress Plugin Directory. Here is a complete list: Continue »

shapeSpace WordPress Theme

shapeSpace is the starter template that I use for creating my own WordPress themes and WordPress–powered sites. Over the years, the shapeSpace theme has evolved with WordPress, striking what I find to be a good balance between utility, flexibility, and performance. shapeSpace is basically a starter theme that combines a robust set of theme functions […] Continue »

Force Margin/Space Between List and Floated Image

If you’re displaying floated images in your posts, you may notice that margins of lists and other block-level elements seem to “collapse”, as shown in this screenshot from the 2013 redesign: Continue »

New Design and Updated Content

I’m getting back into the swing of things around here, now stepping it up with a new design, new tools, and lots of updated (and new) content, demos, scripts, and more. Here is a quick rundown of the new design and updated projects.. Continue »

Update: Ajax Error Log – Version 2.0

Another update! This time to the vanilla/PHP version of my Ajax Error Log. As with the new WordPress version, this update improves the script’s design, performance, and security. Continue »

Update: Ajax Error Log for WordPress – v2.0

New version of Ajax-Powered Error Logs for WordPress now available for download. The functionality is the same, but the script is rewritten for better design, performance, and security. Continue »

2013 User Agent Blacklist

The 2013 User Agent Blacklist blocks hundreds of the worst bots while ensuring open-access for normal traffic, major search engines (Google, Bing, et al), good browsers (Chrome, Firefox, Opera, et al), and everyone else. Compared to blocking threats by IP, blocking by user-agent is more effective as a general security strategy. Although it’s trivial to […] Continue »

2013 IP Blacklist

When time allows, I like to post my collections of the worst IP addresses for the current year. Certainly, there are pros and cons to using an IP blacklist. In general, IPs are easily spoofed, change frequently, and are therefore unreliable as a general security strategy. But as a short-term solution, IP blacklists serve as […] Continue »

Cool Fractal Videos

Fractals are the best! Here are some of the best I’ve seen on YouTube. Continue »

Slowing Down Movies in Quicktime

Just a quick post today.. Awhile ago I was putting together some video screencasts, and needed a way to “slow-down” the video to play certain sections at half-speed. After much trial and fiddling, here are the steps that actually worked to produce a saved copy of the movie (not just run the slow motion effect […] Continue »

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