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Blocking Access Based on GeoIP on RHEL 8, Rocky 8, Oracle Linux 8, and CentOS 8

In this guide, I am using Rocky Linux 8 with kernel 4.18 and xtables-addons 3.27. As an example, this applies

If you are using Ubuntu, you can find similar guidance here: How to Block Access Based on GeoIP on Ubuntu.

Docker container that build on this article based on Ubuntu 18.04. The benefit when using container, you can build on

The following are step by step how to get free license key VMware vSphere Hypervisor 😀 – Go to this

Most of spam email sent from public IP who did not have PTR/Reverse DNS. What is PTR/Reverse DNS, you can

This part will explain about preparation install Zimbra on Ubuntu (Ubuntu 14.04 server especially). If you want to use CentOS

Filter is one of many attribute that should be migrate from old Zimbra to the new Zimbra. After previously success

After migrating quotas that has been explained on previous article, i am also should be migrated signature from old Zimbra to

Quota is one of many attribute that should be migrated while doing migrating from old to the new Zimbra. First,