Operations

How to Set Up VPN Site-to-Site with Windows RRAS on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up VPN Site-to-Site with Windows RRAS on Windows Server 2022

Site-to-Site VPN Overview A site-to-site (S2S) VPN connects two physically separate networks — typically branch offices, data centers, or partner networks — over the public internet or a WAN link, making them appear as a single unified network. Unlike remote access VPN where individual users connect from their devices, S2S VPN operates between routers or […]

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Debian 11 — mlmmj — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mlmmj — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-4896 Upstream summary: Multiple directory traversal vulnerabilities in the mlmmj-php-admin web interface for Mailing List Managing Made Joyful (mlmmj) 1.2.15 through 1.2.17 allow remote authenticated users to overwrite, […]

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Debian 11 — tinymux — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tinymux — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1655 CVE-2007-1958 CVE-2007-1959 Upstream summary: Buffer overflow in the fun_ladd function in funmath.cpp in TinyMUX before 20070126 might allow remote attackers to cause a denial of service (crash) […]

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Debian 11 — netris — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — netris — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1566 CVE-2003-0685 Upstream summary: netris 0.5, and possibly other versions before 0.52, when running with the -w (wait) option, allows remote attackers to cause a denial of service […]

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Common Problems 113475

Windows Server 2012 R2 — DHCP NACK storms after VLAN resegmentation create widespread endpoint disconnects — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 November 2022 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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Common Problems 111752

Windows Server 2022 — Helm releases hang in pending-upgrade on Windows nodes — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 November 2022 Affected versions: Windows Server 2022 📖 ~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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Debian 11 — gnome-desktop3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnome-desktop3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11460 Upstream summary: An issue was discovered in GNOME gnome-desktop 3.26, 3.28, and 3.30 prior to 3.30.2.2, and 3.32 prior to 3.32.1.1. A compromised thumbnailer may escape the […]

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Debian 11 — node-got — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-got — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33502 CVE-2022-33987 Upstream summary: The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because […]

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How to Perform System Dump Analysis with crash on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Perform System Dump Analysis with crash on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to perform system dump analysis with crash on IBM AIX […]

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Debian 11 — node-jszip — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-jszip — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-23413 CVE-2022-48285 Upstream summary: This affects the package jszip before 3.7.0. Crafting a new zip file with filenames set to Object prototype values (e.g __proto__, toString, etc) results […]

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