🟠 High ⏱ 15–60 min Last verified: 14 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: qemu — denial of service vulnerability Related CVEs: CVE-2015-1779 CVE-2015-3209 CVE-2015-3214 CVE-2015-3456 CVE-2015-5154 CVE-2015-5158 CVE-2015-5165 CVE-2015-5166 +12 more Upstream summary: Daniel P. Berrange reports: The VNC server websockets decoder will […]
Introduction This guide explains how to Set Up BGP Routing with BIRD on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]
Introduction Deploying configure ssh hardening on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]
Introduction to System Center Operations Manager System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring platform designed for large-scale Windows environments. It uses management packs — extensible plug-ins — to provide out-of-the-box monitoring intelligence for Windows Server operating systems, SQL Server, IIS, Active Directory, Hyper-V, and hundreds of third-party applications. SCOM uses agents deployed to […]
How to Configure Windows Server 2016 IPAM Advanced IP Address Management (IPAM) in Windows Server 2016 provides a centralized platform for discovering, monitoring, auditing, and managing the IP address space and DNS and DHCP servers across your network. The advanced features in Windows Server 2016 IPAM include role-based access control (RBAC), integration with System Center […]
Introduction to IIS WebSockets on Windows Server 2019 WebSockets provide a full-duplex, persistent communication channel over a single TCP connection between a client and server. Unlike standard HTTP request/response, WebSockets allow the server to push data to clients without the client polling. This is used in real-time applications including chat systems, collaborative tools, live dashboards, […]
🔴 Critical ⏱ 5–30 min Last verified: 10 September 2019 Affected versions: Debian 9 📖 ~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 & […]
Introduction This guide explains how to Install Icinga2 on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]
Introduction Integrating Windows Server 2016 with Azure Active Directory (Azure AD) enables hybrid identity, allowing on-premises users to access Microsoft 365, Azure, and SaaS applications using the same credentials. Azure AD Connect is the synchronisation engine that bridges your on-premises AD with Azure AD, handling user, group, and password synchronisation. Prerequisites Before installing Azure AD […]
How to Configure Windows Server 2019 RDMA Networking Remote Direct Memory Access (RDMA) networking allows data to be transferred directly between application memory on different servers, bypassing the CPU and operating system kernel for data movement. This dramatically reduces CPU utilization, latency, and memory bandwidth consumption for high-throughput workloads. Windows Server 2019 supports RDMA through […]
