Nexcess Knowledge Base

Don't leave your Magento 2 store vulnerable to spam and bot attacks. Discover the benefits of CAPTCHA and the best practices for implementing it.

Enable Varnish for Magento 2 on the Nexcess Cloud infrastructure. Learn how Nexcess Cloud clients can enable Varnish, a web application accelerator for static images.

If your site was recently compromised and the cause has yet to be identified, start with evaluating the list of possible root causes in this article before proceeding to the study of more exotic exploits.

ModSecurity (ModSec) is a Web Application Firewall (WAF) that detects and blocks unwanted intrusions into your site. At Nexcess, we deploy ModSecurity on servers as part of PCI DSS compliance.

This document outlines how colo clients can gain access to the Nexcess data center in Dearborn, Michigan (OTR). For additional information about Nexcess data center security and safety policies, refer to the DC Manual.

How Nexcess clients on physical (non-cloud) servers can use SiteWorx change the password for email accounts on their domain.

Learn how to issue a reindex to optimize performance in Magento 1 from the admin panel or command line, which requires SSH access and some familiarity with the command line interface (CLI).

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.

We do not grant sudo privileges to managed server accounts, although our support team may be able to implement such changes on your behalf if you are a Nexcess client.

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.