Las entidades de certificación (CA) son responsables de emitir certificados digitales para verificar identidades en Internet. Las CA públicas son una opción popular para verificar la identidad de sitios web y otros…
Learning how to create CSS pseudo-classes is one of the most exciting and frequently used skills in any CSS tutorial — CSS pseudo-classes let you add interactive, state-based styling that activates automatically when the user interacts with an element (hovering, clicking, focusing, visiting links, etc.). The most common is :hover, which changes appearance when the mouse cursor moves over an element — perfect for buttons, links, images, cards, and navigation. In this guide, you’ll create your first :hover pseudo-class, apply CSS pseudo-classes to images and text, and see instant interactive results in the browser using your css-practice project.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-8597 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Iptables — это брандмауэр, который играет важную роль в обеспечении сетевой безопасности многих систем Linux. В этом руководстве мы расскажем, как выполнять следующие действия с Iptables: вывод списка правил, очистка счетчиков пакетов и байтов, удаление правил, сброс цепочек (удаление всех правил в цепочке), а также полный сброс брандмауэра Iptables.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: irssi — Use after free when sending SASL login to the server Related CVEs: CVE-2010-1155 CVE-2010-1156 CVE-2016-7044 CVE-2016-7045 CVE-2017-10965 CVE-2017-10966 CVE-2017-15227 CVE-2017-15228 +12 more Upstream summary: Irssi reports: Use after […]
In this guide, we will demonstrate how to configure a highly scalable GitLab infrastructure that manages its own costs, and automatically responds to load by increasing and decreasing available server capacity.
Using a configuration management tool such as Ansible to acquire a certificate makes this task completely automatic and reproducible. In this tutorial, you’ll write an Ansible playbook to acquire a Let’s Encrypt certificate automatically for an Ansible host machine.
In the ever-expanding digital landscape, the global accessibility of websites has become a paramount consideration for businesses and organizations. Two essential concepts that underpin this global reach are localization and globalization. This article delves into the nuanced difference between these terms in the context of website language choices. Additionally, it explores best practices for adapting content to specific regions and cultures, ensuring that websites resonate with diverse audiences worldwide.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read • Source: OpenBSD 7.5 errata 013_aplsmc Errata topic: Reliability: aplsmc (arm64) Issued: October 31, 2024 Upstream summary: Updating Apple Silicon system firmware to the latest version cripples OpenBSD. This disabled the onboard WiFi. Table of contents […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SR:2010:024 (see also SUSE bugzilla) Related CVEs: CVE-2010-1000 Upstream summary: Directory traversal vulnerability in KGet in KDE SC 4.0.0 through 4.4.3 allows remote attackers to create arbitrary files via directory traversal sequences […]
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