Security Hardening

Rocky Linux 8 — perl-CPAN-Meta — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-CPAN-Meta — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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How to Secure IIS: Security Headers, TLS 1.3, HSTS on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Secure IIS: Security Headers, TLS 1.3, HSTS on Windows Server 2025

How to Secure IIS: Security Headers, TLS 1.3, HSTS on Windows Server 2025 A freshly installed IIS server on Windows Server 2025 exposes several attack surfaces that default configuration does not address: version disclosure headers that help attackers fingerprint your stack, missing HTTP security headers that leave browsers unprotected against cross-site scripting and clickjacking, weak […]

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Red Hat Enterprise Linux 8 — openssl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — openssl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:4214 Related CVEs: CVE-2025-69419 CVE-2025-9230 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 111070

Windows Server 2025 — BranchCache service fails due to missing Peer Networking component — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 June 2025 Affected versions: Windows Server 2025 📖 ~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 Errors […]

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NetBSD 9.4 — apache-cassandra — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — apache-cassandra — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-8016 CVE-2021-44521 CVE-2025-26467 CVE-2025-23015 CVE-2020-13946 CVE-2020-17516 CVE-2024-27137 CVE-2025-24860 Upstream summary: pkgsrc audit-packages flagged apache-cassandra<2.1.4 for vulnerability class 'remote-code-execution'. Reference: http://www.openwall.com/lists/oss-security/2015/04/01/6 Table of contents Symptom & Impact Environment & Reproduction […]

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How to Set Up Cockpit Web Console on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Cockpit Web Console on CentOS Stream 10

Introduction Setting up set up cockpit web console on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Cockpit Web Console on CentOS Stream 10, with all the commands you need, the SELinux and firewalld […]

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NetBSD 10.0 — ruby-actionview51 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-actionview51 — vulnerability — patch and remediation guide

🟡 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-2020-8167 Upstream summary: pkgsrc audit-packages flagged ruby{22,24,25,26,27}-actionview51-[0-9]* for vulnerability class 'cross-site-request-forgery'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-8167 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 10.0 — libzrtpcpp — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — libzrtpcpp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged libzrtpcpp<3.2.0 for vulnerability class 'multiple-vulnerabilities'. Reference: http://secunia.com/advisories/53818/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 114037

RHEL 10 – rsyslog disk queue full causes log message loss – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 June 2025 Affected versions: RHEL 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 — php-contao42 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-contao42 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-4567 CVE-2016-10074 Upstream summary: pkgsrc audit-packages flagged php{55,56,70}-contao42<4.2.1 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4567 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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