How To Set Up a Firewall with UFW on Debian 9
This tutorial will show you how to set up a firewall with UFW on Debian 9.
How to Configure ZFS Pool Management on FreeBSD 12
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure zfs pool management on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]
Understanding Suricata Signatures
In this tutorial you’ll learn how Suricata signatures are structured, and some important options that are commonly used in most rules. Once you are familiar with how to understand the structure and fields in a signature, you’ll be able to write your own signatures that you can combine with a firewall to alert you about most suspicious traffic to your servers, without needing to use other external rulesets.
How to Back Up and Restore MySQL Databases on FreeBSD 12
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up back up and restore mysql databases on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]
How to Configure Windows Server 2019 Security Settings
Introduction to Windows Server 2019 Security Configuration Securing Windows Server 2019 requires a defense-in-depth approach that addresses operating system hardening, network security, access control, and monitoring. Windows Server 2019 includes significant security enhancements over previous versions including Windows Defender System Guard for firmware protection, Windows Defender Credential Guard for protecting credentials, Windows Defender Application Guard […]
RHEL 7 SELinux Boolean Missing for NFS Home Directories
🟡 Medium ⏱ 5–30 min Last verified: 14 July 2019 Affected versions: RHEL 7 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
How to Configure BGP Routing with FRRouting on SLES 12
Introduction This tutorial covers How to Configure BGP Routing with FRRouting on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]
How to Set Up Work Folders on Windows Server 2012 R2
How to Set Up Work Folders on Windows Server 2012 R2 Work Folders is a file synchronization service introduced in Windows Server 2012 R2 that allows users to store and sync work files from personal devices or corporate computers, even when they are not connected to the corporate network. Unlike traditional folder redirection which requires […]
How to Set Up IIS Application Pools on Windows Server 2019
Introduction to IIS Application Pools on Windows Server 2019 Application Pools in IIS 10 on Windows Server 2019 are isolated worker process containers that host one or more web applications. Each application pool runs as a separate w3wp.exe process, meaning that a crash, memory leak, or security breach in one application cannot directly affect applications […]
How to Configure Hyper-V Generation 2 Virtual Machines on Windows Server 2019
How to Configure Hyper-V Generation 2 Virtual Machines on Windows Server 2019 Hyper-V Generation 2 virtual machines represent a significant architectural advancement over Generation 1 VMs in Windows Server 2019. Generation 2 VMs use a purely UEFI-based firmware, remove legacy virtual hardware devices, and support modern features such as Secure Boot, shielded VMs, and faster […]