WP-Mix

A fresh mix of code snippets and tutorials

Category Archive: .htaccess

Posts about Apache and .htaccess

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Protect against SQL Injection

Here is a nice copy/paste .htaccess snippet to help block SQL-injection attacks. It can be added as-is to your .htaccess file to help protect against SQL injection and other types of malicious activity. This code is a not a replacement for proper data sanitization, but it does help to add another layer of security to […]

Protect Against File Injection

Here is a nice copy/paste .htaccess snippet to help block file-injection attacks. It can be added as-is to your .htaccess file to help protect against file injection and other types of malicious activity. This code is a not a replacement for proper data sanitization, but it does help to add another layer of security to […]

503 Service Unavailable Headers via .htaccess

Sending a few HTTP headers is a simple way to let visitors and search engines know that your site currently is unavailable. This is useful when you are doing maintenance and don’t need access to the front-end of your site. Simply add the rules to .htaccess when your site is down, and then remove them […]

Redirect old domain to new domain

To redirect an old domain to a new domain, use any of these three simple .htaccess techniques.

Canonical URLs for a single page site

In this tutorial, I share a handful of .htaccess techniques for implementing canonical URLs for single-page websites. Also referred to as “brochure” sites (among other things). These are all plug-&-play code snippets, just add to any .htaccess-capable site and enjoy the SEO benefits of having canonical URLs. I use these snippets on my sites, such […]

Private URLs with .htaccess

With WordPress and other publishing software, you can create “private” and “password-protected” posts, but the URL is still going to be discoverable via search engines and visitors. This technique using .htaccess makes the post and URL accessible only to the specified IP addresses.

.htaccess for cookie-less image domain

Here is a choice collection of .htaccess directives that I use when hosting images on a subdomain. When doing so, it’s best for performance to make sure the domain or sub-domain is “cookie-less”, so there is no time wasted sending cookie data back and forth between the server and client. Other optimizations are included to […]

Canonical www via .htaccess

Creating canonical URLs for your site is an important part of good SEO. In this quick post, we’ll look at several .htaccess techniques for removing and requiring the www prefix, and additionally we’ll see how to remove any index.php appendage from all URIs.

WordPress Fix Image Upload Errors

Here are some quick tips to help troubleshoot and fix image and file upload errors in WordPress. Hopefully it helps someone out there get things back on track with their uploaded images. I know it can be frustrating!

Query String Parameter Redirect

Example snippet showing how to redirect from one URL to another, changing only a single parameter in the query string. It’s a subtle but a commonly used technique, especially in the SEO field, where URLs are changed frequently to optimize for structure, keywords, etc.

Require HTTP 1.1 (and better) for POST

This quick .htaccess snippet requires that the user submit POST requests using only HTTP 1.1 and better.

Disable caching with .htaccess

Quick .htaccess snippet to disable browser caching by modifying Cache-Control, Pragma, and Expires headers. Strictly plug-n-play.