Restricting access to NinjaFirewall (WP Edition) settings.
Starting from version 1.8.1, it is possible to restrict access to NinjaFirewall (WP+/WP Edition) menu and settings. Note: Restrictions apply to single sites only, not to…
Fake wordpress-update.com site used to distribute malware via malicious plugins.
In recent days, we have worked on several infected WordPress websites that all had the particularity of having the same malicious plugin installed: Hackers gained access…
WordPress brute-force attack detection plugins comparison (2015 edition).
Following our 2013 benchmarks, we received quite a lot of requests to perform new ones and, this time, to include a category of plugins that wasn’t…
Critical vulnerability in Swift Security Hide WordPress Firewall plugin leads to phishing attack.
This is a very interesting spear phishing attack case that we had to deal with this week. Spear phishing are attempts directed at a specific individual,…
How to block web vulnerability scanners with iptables.
We are often asked how to block the DFind vulnerability scanner (A.K.A. “w00tw00t.at.ISC.SANS.DFind”) with NinjaFirewall, our Web Application Firewall for PHP and WordPress. The bad news…
Migrating a website with NinjaFirewall installed.
In order to migrate your site with NinjaFirewall installed, it is important to follow those steps: WP/WP+ Edition 1 . Log in to your WordPress admin…
Jetpack Protect: IP spoofing and improper data validation allow security feature bypass.
Since version 3.4, the popular Jetpack by WordPress.com plugin (15+ million downloads / 1+ million active installs) includes Jetpack Protect, a module “to protect your Jetpack-connected…
NinjaFirewall WP/WP+ introduces automatic updates for security rules.
Starting from WP v1.4 and WP+ v1.2, NinjaFirewall introduces a new feature: It offers the possibility to automatically update the firewall security rules. Each time a new vulnerability…
Testing NinjaFirewall without blocking your visitors.
NinjaFirewall is a powerful web application firewall. When implemented in a production environment, it does not take more than a few hours before its log starts…
Troubleshoot NinjaFirewall installation problems.
Failed installation This is the most common problem experienced by some users. At the end of the installation process, it displays the Error: the firewall is not…