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 […]
Before you can install your SSL certificate after purchase you need to generate a Certificate Signing Request (CSR) and send it to your SSL vendor. If you purchased your SSL from KnownHost the CSR can be entered at my KnownHost panel. If you purchased your SSL certificate somewhere else you’ll enter it on the website where […]
There will be times that you have an IP address that is static and you want toe nsure that you no longer experience firewall blocks against your IP. They may be times that you have a developer that needs to be let in due to their incorrect password attempts. Does this sound like you? If […]
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. […]
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 […]
In a firewall sometimes you only want to allow an IP through on a certain port without fully whitelisting them. To do so in CSF is pretty straight forward and the concept is the same as on many home routers. This tutorial will show you how to do it both via WHM’s CSF GUI and via command […]
ConfigServer Security & Firewall (csf) with Login Failure Daemon (lfd) is “A Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application for Linux servers.”official page)) This comes pre-installed on our cPanel servers and has many useful features to assist you with detecting events which might be indicative of security issues in your server. If it […]
In this guide; we will be showing how to set Webmail signatures for the available webmail services for cPanel servers. Signature for Horde Here we are going to document the steps to set up a horde webmail signature for those who primarily use email over webmail. Step 1. Login to your Horde Webmail; if this […]
In this article; we’ll be going over the differences between POP3 and IMAP, as well as their use-case scenarios. One of the first things you should know is that both of these are what is called “Email Protocols”. IMAP (Internet Message Access Protocol) POP3 (Post Office Protocol) These services are used for communication between a […]
If your server has fallen victim to IP blacklisting, you’ll certainly want to know how to request your blacklisting be removed. This article will cover blacklist removal and provide links to specific RBL de-listings. Checking Blacklists First thing to do is check and see if you are actually listed on any blacklists. There are many […]