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Security

Linux

Configuring authselect sssd Centos/RHEL 8

Neil -
Introduction So, in previous RHEL releases, the authconfig command was used to control the authentication of user logins on local and remote systems. Authentication methods and various...
Linux

How to Block SSH Brute Force Attacks Using SSHGUARD

Mel -
SSHGuard is an open-source daemon that shields hosts from brute-force attacks. It accomplishes this through monitoring and aggregation of system logs, detecting attacks, and...
Cloud

How to Set Up and Configure OpenVPN Server and Client on Ubuntu 20.04 LTS.

Sajid Ali -
So, in this guide you will learn how to Set Up and Configure OpenVPN Server and Client on Ubuntu 20.04 LTS. Open source OpenVPN uses...
Cloud

Set Up Open VPN Server and Client on CentOS 8.

Sajid Ali -
In this post, you will learn how to set up Open VPN Server and Client on CentOS 8. A virtual private network extends a private...
Linux

Pfsense High Availability

Mel -
This post is about pfSense High Availability This recipe describes a simple three interface HA configuration. The three interfaces are LAN, WAN, and Sync. This...
Security

Pfsense Bridging

Mel -
This post is about pfsense bridging. Normally each interface on the pfSense® firewall represents its own broadcast domain with a unique IP subnet. In some...
Linux

Suricata Setup on pfSense

Mel -
This post is about Suricata Setup on pfSense Install the Suricata Package pfSense provides a UI for everything. So from the admin page go to System -> Package Manager -> Available...
Security

Pfsense Backup and Recovery

Mel -
So, this post is about pfSense backup and recovery Backup Strategies The optimal backup strategy is the following: Take frequent backupsKeep multiple copies of backups in a...
Linux

How to manage the system logs using Webmin

Angelo -
Hello, friends. We continue our series of posts about webmin. Now we will show you something very simple but that can help us on...
Linux

Hardening a CentOS 7 / RHEL 7 Server: Best practices and recommendation.

Sajid Ali -
Securing Linux server is very important to protect your data, intellectual property from the hands of crackers (hackers). The system administrator is responsible for...
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