Nexcess Knowledge Base

Cross-origin request blocked (CORS) errors have many possible causes. This article applies to the “Cross-Origin Request Blocked error” that is sometimes the result of a Magento multi-store making use of a CDN.

How Nexcess clients can conserve and free disk space in their Magento server environment.

Learn how to improve Magento 1 maintenance mode by modifying the index.php file to allow access to a range of IP addresses. Add code to your index.php file to allow you to work on your site.

You can configure Magento to generate system logs and exception logs upon any error. This is most useful as a way to investigate issues during development, but less practical for live stores.

Learn the basics of how to maintain an efficient Magento 1 database of any size.

How to set the proper permissions for files within a Magento 1 installation.

Learn about Turpentine, developed by Nexcess to improve how Magento and Varnish work together.

Magento users can often benefit from writing scripts to streamline, accelerate, or automate many of the platform’s common commands. This article acts as an introduction to helpful Magento scripts.

How to set the return-path within your Magento 1 installation to correct issues with sending emails to specific providers, such as when they inaccurately flag them as spam.

How to address the Credit Card Hijack security breach by applying the latest patches and performing other critical tasks.