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How to Secure MariaDB for VestaCP and CWP ?

If you are using VestaCP or CentOS Webpanel then this tutorial will guide you through some basic steps you can take to secure your MariaDB or MySQL databases, and ensure that they are not an open door into your VPS. However, like most software, these tools can be security liabilities if they are configured incorrectly.

For the sake of simplicity and illustration, we will use the MariaDB 10.1 server on a CentOS 7.6 VPS instance.
Now run the script called "mysql_secure_installation". This will guide us through some procedures that will remove some defaults that are dangerous to use in a production environment.
# mysql_secure_installation

It will first prompt you for the root password you set up during installation. Immediately following, you will be asked a series of questions, beginning with if you'd like to change the root password.

This is another opportunity to change your password to something secure if you have not done so already.
You should answer "Y" (for yes) to all of the remaining questions.

This will remove the ability for anyone to log into MySQL by default, disable logging in remotely with the administrator account, remove some test databases that are insecure, and update the running MySQL instance to reflect these changes.


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CWP DNS Part 1 : How to Configure DNS properly for CentOS WebPanel on CentOS 7.6

After hosting my parent domain on CWP7.admin, I am getting dns error and i'm not able access my server using my server FQDN but i can access using my server IP.
So what can i do for that problem ?

Yes, you have to fix the error .

Environment Details:
Distro Name: CentOS Linux release 7.6.1810 (Core)
CentOS-Web Panel version: CWP7.admin
CWP version:
WebServer: Apache Only

1.Change Hostname Permanently:
# hostnamectl set-hostname hostnamectl Static hostname: Icon name: computer-vm Chassis: vm Machine ID: 7400071490ea4f7d931374824ad4b52c Boot ID: 6e1f2d76495d4b318c25c4a1195aa130 Virtualization: vmware Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 3.10.0-862.14.4.el7.x86_64 Architecture: x86-64 It also writes this information to the /etc/hostname file as well.
# cat /etc/hostname host.d…

CWP DNS Part 2 : How to Configure DNS properly for CentOS WebPanel on CentOS 7.6

7.Open Main Configuration file
# vi /etc/named.conf 12 options { 13 listen-on port 53 { any; }; 14 listen-on-v6 port 53 { ::1; }; 15 directory "/var/named"; 16 dump-file "/var/named/data/cache_dump.db"; 17 statistics-file "/var/named/data/named_stats.txt"; 18 memstatistics-file "/var/named/data/named_mem_stats.txt"; 19 recursing-file "/var/named/data/named.recursing"; 20 secroots-file "/var/named/data/named.secroots"; 21 allow-query { any; }; 33 recursion no; 34 35 dnssec-enable yes; 36 dnssec-validation yes; 54 zone "." IN { 55 type hint; 56 file ""; 57 }; 58 59 include "/etc/named.rfc1912.zones"; 60 include "/etc/named.root.key"; 61 …