November 2021 - Page 19 of 64

How to Configure DirectAccess on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure DirectAccess on Windows Server 2016

How to Set Up Windows Server 2016 DirectAccess DirectAccess is a seamless always-on VPN-like technology built into Windows Server 2016 that allows domain-joined Windows clients to connect to the corporate network automatically whenever they have internet access, without requiring users to manually initiate a VPN connection. Unlike traditional VPN, DirectAccess uses IPv6 and IPsec tunnels, […]

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Ubuntu 18.04 — libnet-cidr-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libnet-cidr-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8110-1 Related CVEs: CVE-2021-4456 Upstream summary: Dave Rolsky discovered that Net-CIDR did not properly sanitize IP addresses. An attacker could possibly use this to bypass IP-based restrictions. Table of contents […]

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AlmaLinux 8 — libnumbertext — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libnumbertext — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1779 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Добавление Sidekiq и Redis в приложение Ruby on Rails — step-by-step Databases tutorial on Progressive Robot

Добавление Sidekiq и Redis в приложение Ruby on Rails

При разработке приложения Ruby on Rails могут возникнуть такие задачи приложения, которые должны выполняться асинхронно. Обработка данных, массовая рассылка электронной почты, взаимодействие с внешними API и другие подобные задачи могут выполняться…

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Ubuntu 20.04 — gnome-autoar — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gnome-autoar — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4937-2 Related CVEs: https://launchpad.net/bugs/1929304 CVE-2021-28650 https://launchpad.net/bugs/1917812 CVE-2020-36241 Upstream summary: USN-4937-1 fixed a vulnerability in GNOME Autoar. The update caused a regression when extracting certain archives. This update fixes the problem. […]

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Configuración Inicial del Servidor en Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

Configuración Inicial del Servidor en Ubuntu 16.04

Cuando se crea un nuevo servidor de Ubuntu 16.04, hay algunos pasos de configuración que se deben tener desde el principio como parte de la configuración básica. Esto aumentará la seguridad y la usabilidad de su servidor y le dará una base sólida para las acciones…

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Oracle Linux 8 — libqb — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libqb — security and stability fixes — required update (ELSA-2019-3610)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3610 Related CVEs: CVE-2019-12779 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 13 — redmine — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — redmine — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: redmine — information leak vulnerability Related CVEs: CVE-2012-0327 CVE-2014-1985 CVE-2015-8346 CVE-2015-8473 CVE-2015-8474 CVE-2015-8477 CVE-2015-8537 Upstream summary: Redmine reports: Data disclosure in atom feed. Table of contents Symptom & Impact Environment […]

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