Security Hardening

Windows Server 2016 — KB5044284 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5044284 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5044284 • MSRC update-guide entry Related CVEs: CVE-2024-43506 CVE-2024-43513 CVE-2024-43515 CVE-2024-43518 CVE-2024-43519 CVE-2024-43532 CVE-2024-43534 CVE-2024-43535  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure Fail2Ban on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Fail2Ban on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying configure fail2ban on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Fail2Ban on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Common Problems 127109

CentOS Stream 10 – Common Problem 240 – Diagnosis and Fix

  • July 14, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 14 July 2025 Affected versions: CentOS Stream 10 📖 ~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 […]

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NetBSD 10.0 — php70-fpm — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php70-fpm — vulnerability — patch and remediation guide

  • July 14, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-10545 Upstream summary: pkgsrc audit-packages flagged php70-fpm<7.0.2 for vulnerability class 'buffer-overflow'. Reference: https://bugs.php.net/bug.php?id=70755 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Secure PostgreSQL on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Secure PostgreSQL on CentOS Stream 10

  • July 14, 2025
  • CentOS
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Introduction This tutorial demonstrates how to Secure PostgreSQL on CentOS Stream 10 on CentOS Stream 10. 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 10 system with the default AppStream […]

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NetBSD 10.0 — ncurses — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ncurses — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • July 14, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-10684 CVE-2017-10685 CVE-2018-10754 CVE-2018-19211 CVE-2018-19217 CVE-2019-17594 CVE-2019-17595 CVE-2021-39537  +7 more Upstream summary: pkgsrc audit-packages flagged ncurses<6.0nb4 for vulnerability class 'stack-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-10684 Table of contents Symptom & Impact Environment […]

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Common Problems 116449

Ubuntu 24.04 LTS SSH Password Authentication Suddenly Disabled

  • July 14, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 14 July 2025 📖 ~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 […]

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NetBSD 10.0 — jitsi-meet — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — jitsi-meet — vulnerability — patch and remediation guide

  • July 14, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-64754 Upstream summary: pkgsrc audit-packages flagged jitsi-meet<2.0.10532 for vulnerability class 'authentication-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-64754 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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