chris

Common Problems 113629

Windows Server 2012 R2 – SACL configured but no audit events generated – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 27 April 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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openSUSE Tumbleweed — zoo — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — zoo — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2006:005 (see also SUSE bugzilla) Related CVEs: CVE-2006-0855 CVE-2007-1669 Upstream summary: Stack-based buffer overflow in the fullpath function in misc.c for zoo 2.10 and earlier, as used in products such as Barracuda […]

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Common Problems 113520

Windows Server 2012 R2 — Computer secure channel broken: machine cannot authenticate to domain — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 April 2020 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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How to Install .NET Core 3.1 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install .NET Core 3.1 on Debian 10

Introduction This guide explains how to Install .NET Core 3.1 on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with the […]

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How to Configure tcpdump on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure tcpdump on IBM AIX 7.2

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 tcpdump on ibm aix 7.2 on IBM AIX […]

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FreeBSD 12 — isc-dhcp31-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — isc-dhcp31-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcp-server — server halt upon processing certain packets Related CVEs: CVE-2011-2748 CVE-2011-2749 Upstream summary: ISC reports: A pair of defects cause the server to halt upon processing certain packets. The […]

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ls command in Linux/UNIX — step-by-step Linux tutorial on Progressive Robot

ls command in Linux/UNIX

URL: https://www.progressiverobot.com/ls-command-in-linux-unix/ The ls command is one of the most commonly used commands in daily Linux/UNIX operations. The command is used in listing contents inside a directory and is one of the few commands beginners learn from the onset. In this guide, we will discuss Common ls commands in Linux and other parameters as well […]

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FreeBSD 12 — ziproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ziproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ziproxy — security vulnerability in PNG decoder Related CVEs: CVE-2009-0804 CVE-2010-1513 Upstream summary: Daniel Mealha Cabrita reports: Fixed security vulnerability (heap-related) in PNG decoder. (new bug from 3.1.0) Table of […]

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Alpine Linux edge — nikto — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — nikto — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.1.6-r2 📖 ~4 min read  •  Source: Alpine secdb entry — nikto 2.1.6-r2 Related CVEs: CVE-2018-11652 Upstream summary: Alpine community repository for vedge ships nikto 2.1.6-r2 which addresses CVE-2018-11652. Table of contents Symptom & Impact Environment […]

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