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Protecting your server from malicious attacks is paramount in today´s digital landscape. Fail2ban, a robust log-parsing application, serves as a vigilant guardian, monitoring system logs for signs of automated assaults on your VPS instance. As you delve into this tutorial, you’ll gain insights into harnessing Fail2ban’s capabilities to fortify your server’s defenses. How Fail2ban Works When Fail2ban identifies and locates an attempted compromise using your chosen parameters, it will add a new rule to iptables to block the IP address from which the attack originates. This restriction will stay in effect for a specific length of time or on a…

The post Using Fail2ban to Secure Your Server appeared first on Plesk.

Some server operators find themselves battling with a high CPU load on their systems, which inevitably slows down website responses. The main cause of high CPU loads is often due to search engine crawlers and “bad bots”, which are essentially crawlers similar to search engines but do not serve any purpose for you. What bad bots do with the crawled data remains a mystery. Hackers also scan websites to identify the software being used to operate them. They do this to exploit any security vulnerabilities found in the software. In some cases, these scans may even attempt to access passwords…

The post How to Avoid High CPU Load and Block Hackers and Bad Bots Effectively appeared first on Plesk.

On Friday, December 10, 2021, a vulnerability for Log4j was announced in CVE-2021-44228.   Log4j is developed by the Apache Foundation and is widely used by both enterprise apps and cloud services. It was reported by Alibaba Cloud’s security team to Apache on November 24. They also revealed that CVE-2021-44228 impacts default configurations of multiple Apache frameworks, including Apache Struts2, Apache Solr, Apache Druid, Apache Flink, and others. The United States Cybersecurity and Infrastructure Security …

The post The Apache Log4j exploit and how to protect your cPanel server first appeared on cPanel Blog.

The post Software tools to prevent attacks on servers and sites appeared first on Plesk.

Find out what the most common security attacks on servers are and how you can successfully protect your web hosting server from them.

The post Preventing the most common security attacks on servers appeared first on Plesk.