What is Google Analytics and How to Use It?
15.04.2022
CSF Firewall is a firewall plugin installed on cPanel servers. This plugin works on physical servers and Hypervisor-based VDS virtual servers. It does not work properly on VPS virtual servers (software-virtualized servers). The installation of this iptables-based software can be found in the “Installations” document. For now, we will talk about its general settings.
After completing the installation, when you refresh your WHM page, you can see CSF in the Addons section at the bottom of the left panel. When you log in;
Check server security: Checks your server security and marks those with security vulnerabilities or unnecessary ones in red. If you address the values marked in red, your server security will be increased.
Firewall security level: This is the section containing default settings for the firewall. It is divided into low, medium, and high. If you do not want to deal with the settings, you can select the one that suits you here.
Firewall allow ips: You can manually set the IPs that are allowed to access the server.
Firewall deny ips: You can manually set the IPs that are not allowed to access the server.
Firewall rules: Allows you to review your current firewall rule sets.
Firewall disable: Disables the firewall.
Firewall enable: Enables the firewall.
Firewall start: Starts the firewall.
Firewall restart: Restarts the firewall.
Firewall stop: Stops the firewall.
Quick allow: As a firewall working principle, when account holders on the server fail to log in to their accounts with multiple wrong passwords or for another reason, the server perceives this as a threat and bans the IP address. This is a common situation if the server is running hosting services. With “quick allow”, the IP address in use can be added to the safe list to prevent it from being banned.
Quick deny: If you detect a user IP address that could truly threaten or harm the server, you can ban it from here.
Deny server ips: Bans requests coming to any IP address on the server.
lfd log lfd: It is one of CSF’s helpers. It monitors errors in the system and sends you an email.
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