🟡 Medium ⏱ 5–30 min Last verified: 17 August 2021 📖 ~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 & Cross-Refs References & Further […]
How to Set Up Windows Server 2019 Group Policy Modelling Group Policy Modelling (also known as Resultant Set of Policy — Planning Mode) is a powerful analysis tool built into the Group Policy Management Console that predicts what Group Policy settings would apply to a user or computer given a specific set of conditions. Rather […]
Uma autoridade de certificação (CA, do inglês Certificate Authority) é uma entidade responsável por emitir certificados digitais para verificar identidades na internet. Embora as CAs públicas sejam uma escolha popular para a…
How to Configure Windows Server 2019 Group Policy Security Filtering Group Policy Security Filtering controls which users and computers a GPO applies to within a linked OU, domain, or site. By default, all GPOs apply to the Authenticated Users group, which includes all domain users and computers. Security Filtering lets you scope GPO application to […]
Introduction IPsec Transport Mode encrypts traffic directly between two Windows Server 2016 hosts without requiring a VPN gateway or tunnel infrastructure. Unlike IPsec Tunnel Mode (used in site-to-site VPNs), Transport Mode encrypts only the data payload of each IP packet, leaving the original IP headers intact. This makes Transport Mode ideal for server-to-server communication within […]
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up ipsec with strongswan on freebsd 13 on FreeBSD 13 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 […]
How to Install Netdata on RHEL 7 Netdata is a real-time performance monitoring agent that delivers per-second metrics with zero configuration on most Linux systems. Unlike heavier monitoring solutions that scrape on 15-second or 1-minute intervals, Netdata collects and stores data every second, making it ideal for diagnosing transient performance problems that would be invisible […]
How to Set Up Windows Server 2019 GRE Tunnelling Generic Routing Encapsulation (GRE) tunnelling is a lightweight tunnelling protocol that encapsulates a wide variety of network layer protocols within virtual point-to-point links. Windows Server 2019 supports GRE tunnelling through the RAS Gateway, enabling L3 connectivity between tenant virtual networks and external physical networks without the […]
🟡 Medium ⏱ 5–30 min Last verified: 27 July 2021 📖 ~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 & Cross-Refs References & Further […]
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up wireguard vpn on freebsd 13 on FreeBSD 13 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 […]
