KNOWNHOST KNOWLEDGE BASE

Hosting Question? Find the Solution - Browse our Guides, Articles, and How-To's

This article is going to be thoroughly detailed in covering the different methods of checking domain access logs; why you should check them and how to protect yourself from further incidents. Remember; the goal is mitigation – reducing the impact your server experiences from such incidents – there is no method of 100% prevention. Why […]

AutoSSL

Category: cPanel
Tags: # # # # # # #

In modern versions of cPanel/WHM, it is easier than ever to get free signed SSL Certificates for your domains! Since version 58, cPanel has had a feature called AutoSSL to automatically install for you Domain-Validated (DV) SSL certificates for your domains, to use in Apache, Dovecot, and Exim (i.e., the websites and email). The cPanel’s AutoSSL supports both […]

SSL Certificates

Category: Services
Tags: # # # #

What SSL Actually Does for You? SSL is the acronym for Secure Sockets Layer and is the Internet standard security technology used to establish an encrypted (or safe) link between a web server (website) and your browser (i.e. Internet Explorer, Chrome, Firefox, etc…). This secured link ensures that the data/information that is passed from your […]

What is mod_security?

Category: Common Issues
Tags: # # # # #

Keeping our websites secure is one of the most important and challenging topics of all time. This article will cover the ‘mod_security’ module and whether or not you should consider using it on your server(s)/website(s). What is mod_security? ModSecurity is a toolkit for real-time web application monitoring, logging, and access control. I like to think […]

How To Enable Port Knocking in CSF/LFD

Below, we will outline two different methods of configuring port knocking with CSF/LFD (via CLI and via GUI). This can be quite helpful for maintaining SSH functionality while also addressing PCI Scans failures due to SSH. Via CLI Log in as root via SSH. Remember that KH servers use port 2200 by default for SSH connections. […]

How to fix SYSLOG failed message

Category: Common Issues
Tags: # # # # #

If you are receiving the following messages from your cPanel server, an ongoing rsyslog bug has updated the configuration in such a way that it disabled local logging: First, you should go ahead and check the current log and the rotated logs to see if maybe the log rotated at the same time the check […]

Common CSF/LFD False Positives and How to Stop The Notifications

Category: Courses
Tags: # # # # #

It is worrisome when you receive a notification from the firewall regarding a suspicious process, especially for those processes that you do not readily recognize. That is why KnownHost has compiled a list of some common alerts that are mostly false positives and provided the instructions for stopping the notifications. This list is specific to […]