Web applications

Web application. A web application is application software that runs on a web server, unlike computer-based software programs that are run locally on the operating system of the device. Web applications are accessed by the user through a web browser with an active network connection.

Read and learn about Umbraco and WordPress.

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How to optimize Umbraco 8 performance

Out of the box, Umbraco is a well built and pretty fast content management system. However, it is important you perform some steps to further optimize Umbraco’s performance and loading speed. Here on Sysadmins of the North, I wrote about “11+ tips to optimize Umbraco CMS” earlier, and in this post I write about implementing them. On a just installed and running website.

Access blocked

3 Ways of blocking sendmail.php on IIS webserver

Here are 3 ways of blocking access to a PHP sendmail.php script on your Windows Server IIS webserver. This comes in handy if a websites on your webserver sends out spam and you need to block access to a script on a specific website or globally in IIS. You can use a web.config file for this purpose, and here is how.

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How to add a trailing slash in Umbraco 8

This article shows you how to add a trailing slash to URL’s in Umbraco 8, using IIS URL Rewrite Module, without breaking the Umbraco backend. Forcing one particular URL avoids duplicate content, which is important for SEO.

Show the number of registered WordPress users in the At-a-Glance widget in the Dashboard

Count and display number of WordPress users in your Dashboard

Often when a WordPress site is compromised, the website owner doesn’t notice anything strange at first. First a lot of users are created, and it’s only later when posts filled with spam are created or existing pages/posts edited. In the time between compromise and creation of spam posts, a website owner might notice an increased number of users. If he has the means to. And that’s what this little plugin does.

Set PHP handler accessPolicy (Request Restrictions) to Read in IIS

Disallow direct access to PHP files in wp-content/uploads/

It’s recommended to disallow access to and execution of PHP files in wp-content/uploads folder. Preferably without the use of a security plugin. Blocking access to PHP files in WordPress wp-content/uploads folder is easily achieved with a .htaccess file on Linux Apache, or web.config accesssPolicy in Windows Server IIS, and here is how.

Reduce Wordfence CPU usage, disable Wordfence “Live Traffic View”

Whenever WordPress is using a lot of CPU and you have Wordfence Security plugin enabled, it is recommended to double check some settings. Unfortunately the Wordfence “Live Traffic Options” (“Traffic logging mode”) feature can cause high CPU usage and load issues for WordPress websites. Therefore, I recommend you disable this feature to improve the performance of your WordPress website.

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11+ Tips to optimize Umbraco 7 CMS

Umbraco 7 is a popular, ASP.NET powered, content management system (CMS). Even though it performs pretty well, here are 11+ tips to optimize the performance of Umbraco 7 powered websites on IIS.

Security?

WordPress .htaccess security best practices in Apache 2.4.6+

Apache Access Control done right in WordPress .htaccess, ‘Allow/Deny from all’ versus ‘Require All Granted/Denied’. Since Apache 2.4.6, a new module is used to configure and set up access control for websites: mod_authz_core. This means you have to use a different syntax for allowing or blocking hosts and IP addresses to your website. But unfortunately, old documentation is never updated and people even still write blog posts using that old syntax, leaving you with an unprotected website. Not what you had in mind, now is it?