Introduction This tutorial demonstrates how to Configure Traffic Shaping with tc on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 đź“– ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2015-4082 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36}-attic<0.15 for vulnerability class 'weak-encryption'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2015-4082 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
🟢 Low ⏱ 5–15 min Last verified: 19 September 2023 Affected versions: FreeBSD 13 đź“– ~4 min read • Source: FreeBSD VuXML VuXML topic: nebula — security fix for terrapin vulnerability Related CVEs: CVE-2023-48795 Upstream summary: Upstream reports: Security fix: Update golang.org/x/crypto, which includes a fix for CVE-2023-48795. Table of contents Symptom & Impact […]
🟡 Medium ⏱ 5–30 min Last verified: 19 September 2023 đź“– ~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 […]
đź”´ Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2022 đź“– ~4 min read • Source: Microsoft KB5032250 • MSRC update-guide entry Related CVEs: CVE-2023-36397 CVE-2023-36036 CVE-2023-36428 CVE-2023-36425 CVE-2023-36424 CVE-2023-36423 CVE-2023-36017 CVE-2023-36705 +7 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]
🟢 Low ⏱ 5–15 min Last verified: 19 September 2023 Affected versions: Debian 12 (bookworm) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2008-3791 CVE-2008-3904 Upstream summary: src/main-win.c in GPicView 0.1.9 in Lightweight X11 Desktop Environment (LXDE) allows local users to overwrite arbitrary files via a symlink attack on the /tmp/rot.jpg […]
🟡 Medium ⏱ 10–30 min Last verified: 19 September 2023 Affected versions: Debian 12 (bookworm) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-9129 CVE-2017-9130 CVE-2018-19886 CVE-2018-19887 CVE-2018-19888 CVE-2018-19889 CVE-2018-19890 CVE-2018-19891 Upstream summary: The wav_open_read function in frontend/input.c in Freeware Advanced Audio Coder (FAAC) 1.28 allows remote attackers to cause a […]
Introduction How to Install Packer on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]
đźź High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 đź“– ~4 min read • Source: Microsoft KB5029650 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
In this tutorial, you will secure a website served by Nginx with an Origin CA certificate from Cloudflare and configure Nginx to use authenticated pull requests. The advantages of using this setup are that you benefit from Cloudflare’s CDN and fast DNS resolution while ensuring that all connections pass through Cloudflare. This prevents any malicious requests from reaching your server.
