A default Nginx installation exposes version information in response headers, accepts legacy TLS protocols, and sends no browser security directives ā all of which reduce your attack surface score and leave clients vulnerable to clickjacking, MIME sniffing, and downgrade attacks. Hardening Nginx on RHEL 8 involves a series of targeted configuration changes: suppressing the server […]
How to Set Up Windows Server 2016 Certificate Authority A Certificate Authority (CA) is a cornerstone of public key infrastructure (PKI). In Windows Server 2016, Active Directory Certificate Services (AD CS) provides the role needed to issue and manage digital certificates used for authentication, encryption, and digital signatures. This guide walks you through installing and […]
š High ā± 5ā30 min Last verified: 24 July 2019 Affected versions: Windows Server 2019 š ~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 […]
š High ā± 5ā30 min Last verified: 24 July 2019 Affected versions: Windows Server 2019 š ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution ā Primary Fix Solution ā Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install helm package manager for kubernetes on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step […]
š High ā± 5ā30 min Last verified: 23 July 2019 Affected versions: Windows Server 2012 R2 š ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution ā Primary Fix Solution ā Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]
A highly available web stack ensures that your application remains accessible even when one of your servers fails. Keepalived implements the Virtual Router Redundancy Protocol (VRRP) on Linux, allowing a floating Virtual IP (VIP) address to migrate automatically between a master and one or more backup servers within seconds of a failure. When combined with […]
š High ā± 5ā30 min Last verified: 20 July 2019 Affected versions: Windows Server 2016 š ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution ā Primary Fix Solution ā Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Introduction How to Configure Redis Sentinel on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive ā meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]
How to Configure Windows Server 2016 Active Directory Replication Active Directory replication is the process by which changes made on one Domain Controller are propagated to all other Domain Controllers in the domain and forest. Reliable replication is critical ā without it, authentication failures, inconsistent policy application, and stale directory data can occur. Windows Server […]
