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Sucuri Firewall

How to Know If You’re Under DDoS Attack

March 9, 2023Stephen Johnston

How to Know If You’re Under DDoS Attack

Nowadays, the term DDoS raises the heart rate of most webmasters. Though many don’t know exactly what a DDoS attack is, they might be familiar with the effects of getting DDoSed: an extremely sluggish, shut down, or dysfunctional website. In this article, we’ll focus on…

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Problems with Email Server after Malware Infection

February 14, 2023Marc Kranat

Help! My Email Server Got B0rked & I Have Problems After Malware Infection!

The Sucuri Firewall functions as a reverse proxy. A simple change to your DNS settings is all it takes to thoroughly filter incoming traffic to sniff and parse out bad…

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Bad Paths & The Importance of Using Valid URL Characters

January 10, 2023Marc Kranat

Bad Paths & The Importance of Using Valid URL Characters 

To ensure that your web files and pages are accessible to a wide range of users with various different devices and operating systems, it’s important to use valid URL characters….

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How to Secure & Harden Your Joomla Site in 12 Steps

October 4, 2022Victor Santoyo

How to Secure & Harden Your Joomla! Website in 12 Steps

At Sucuri, we’re often asked how website owners and webmasters can secure their websites. However, advice can often be too broad; different content management systems (CMS) exist in this ecosystem…

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7 tips to clean and maintain your server and website

August 2, 2022Michael Evert

7 Tips to Clean & Maintain Your Website

Most people would agree — living in a house full of accumulated debris and unnecessary objects can create a chaotic environment, and even cause health problems. This scenario is easily…

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February 12, 2021Marc Kranat

UCEPROTECT Scam: When RBLs Go Bad

What is a Realtime Blackhole List (RBL)? A Realtime Blackhole List (RBL) contains lists of email servers, domain names, and IP addresses that are associated with hosting, producing, forwarding or…

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Server Side Data Exfiltration via Telegram API

February 9, 2021Marc Kranat

Optimizing Performance and Behavior with WordPress and the Sucuri WAF

Aside from providing significant protection from a wide range of threats, the Sucuri WAF also acts as a CDN due to its caching capabilities and regional PoPs — often performing…

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CSAM 2020

October 9, 2020Stephen Johnston

Opening the Conversation about Website Security

The responsibility of ensuring that a website is protected falls on the website owner, but the security expectation may fall on the web service provider too. As a professional, you…

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What is Geolocation?

April 28, 2020Dutch Hill

What is Geolocation?

The Firewall service deploys various heuristic checks and methods to protect your site. One of our most popular security settings, and questions, utilizes geolocation in order to protect and filter…

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March 24, 2020Chase Watts

Free Sucuri WAF for Medical & Social Services

During the COVID-19 pandemic, there is concern about health systems worldwide. Many people in isolation or self-quarantine are looking for accurate medical information online on a daily basis. As a…

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March 6, 2020Marc Kranat

PCI Compliance, Penetration Testing, and the Sucuri WAF

Our support team is often asked, “Can we test our site through the Sucuri Web Application Firewall?” The answer is always yes, with a caveat. Tests that are intended to…

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