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Is cPanel firewall issues causing frequent service downtimes? Here’s how you can protect your hosting business

If you have cPanel shared hosting servers, chances are that you will be using Config Server Firewall (CSF) and Login Failure Daemon (LFD) firewall to secure your server. While they provide great out of the box security, it’s default settings can cause Connection Timed Out errors for your customers, which are usually reported as web, email, FTP or control panel down times. Repeated occurrences of service unavailability quickly leads to poor service reputation, and account cancellations.

Faced with such a situation, most web hosts get a server administrator to do a one time firewall optimization, and believe their servers are immune to firewall issues. However, this is not true. (more…)