Archive: Knowledge Base

VirtueMart Issues

If you enabled the Sucuri firewall and VirtueMart is now responding with errors such as the one below, this step can resolve the issue. Subject: PayPal IPN Transaction on your site: Possible fraud Error code 506. Possible fraud. Error with REMOTE IP...

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Safari Loading Error

In case your website has HTTPS enabled, is loading correctly on most popular browsers, but Safari is returning "Safari could not open the page because the server stopped responding", please unset or ask your hosting provider or web...

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Domain Not Configured

There are a couple reasons you might see this message: 1) After setting up the domain, it can take up to 20 minutes for all changes to be applied on the Website Firewall clusters. In this case, the Domain Not Configured message is temporary and will...

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Fixing PrestaShop Session Cache Issue

PrestaShop keeps each visitor’s cart, login, and language in a session cookie (PrestaShop-…). If pages that depend on that session are cached, visitors can get logged out, lose items they added to the cart, or see out-of-date cart contents...

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JetPack Issues

If you are getting: The Jetpack server was unable to communicate with your site [HTTP 406] That usually means your hosting server has mod_security enabled and it is blocking the access. Contact your hosting support and ask them to disable...

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osCommerce Who’s Online

If your OSCommerce reports show that all of your users have the same IP address, and you don’t have access to your webserver to change the configuration as we described here, you can still correct this. To do so, edit the following file:...

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How to Fix SSL Mixed Content Warnings

When a user visits a page served over HTTPS, their connection with the web server is encrypted and safeguarded from man-in-the-middle (MiTM) attacks. If the HTTPS page includes content retrieved through cleartext HTTP, then the connection is only...

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Ports Allowed

The Sucuri Firewall proxies traffic on ports 80 (HTTP) and 443 (HTTPS) only. If your application uses another port, you can: Create a subdomain that points directly to your hosting IP. Configure a server-side proxy to route the application’s traffic...

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Intrusion Kill Chain

The kill chain model was created by Lockheed Martin’s CIRT (incident response group) to identify and categorize each stage of a network-based (cyber) attack. They followed the same concept used by the US military to structure their own attacks...

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Sucuri Firewall Locations

The Sucuri Firewall bundles the best of a WAF (Web Application Firewall) and an IDS (Intrusion Detection System) to provide enterprise-level protection against today’s and tomorrow’s threats and attacks. The Sucuri Firewall runs on top of our high...

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