Introduction How to Configure a Firewall with nftables on CentOS Stream 9 on CentOS Stream 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.1.2-r0 📖 ~4 min read • Source: Alpine secdb entry — clamav 1.1.2-r0 Related CVEs: CVE-2022-48579 CVE-2023-20032 CVE-2023-20052 CVE-2012-6706 CVE-2017-6419 CVE-2017-11423 CVE-2018-0202 CVE-2018-1000085 +12 more Upstream summary: Alpine community repository for vv3.18 ships clamav 1.1.2-r0 which […]
🟠 High ⏱ 5–30 min Last verified: 18 May 2026 Affected versions: Windows Server 2019 📖 ~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 […]
🟡 Medium ⏱ 15–45 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2023-30442, IBM Support Bulletin CVE: CVE-2023-30442 NVD summary: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 federated server is vulnerable to a denial of service as […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure drbd-style replication on ibm aix 7.2 on IBM […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ghostscript — exploitable buffer overflow in (T)BCP in PS interpreter Related CVEs: CVE-2015-3228 CVE-2023-28879 Upstream summary: [email protected] reports: In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to […]
In this guide, we’ll go over how to install the software needed for NFS functionality on Ubuntu 22.04, configure two NFS mounts on a server and client, and mount and unmount the remote shares.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-1985 Upstream summary: Integer overflow in X.org libXinerama 1.1.2 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to […]
Introduction This guide explains how to Configure OSPF with FRRouting on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the […]
Set up a LOMP server running on Ubuntu 20.04 with PHP 8.1, MariaDB 10.7, and OpenLiteSpeed 1.7. The LiteSpeed PHP interpreter functions very quickly to serve dynamic PHP pages.
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