Introduction to DNS over HTTPS on Windows Server 2019 DNS over HTTPS (DoH) encrypts DNS queries inside standard HTTPS traffic on port 443. Traditional DNS queries travel in plaintext over UDP or TCP port 53, exposing every hostname lookup to anyone monitoring the network — ISPs, attackers on public Wi-Fi, or enterprise security appliances. DoH […]
Use natural language to take your app idea from concept to deployment in minutes with the cloud provider’s MCP server
🟡 Medium ⏱ 10–30 min Last verified: 13 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4150 Related CVEs: CVE-2021-27291 CVE-2021-20270 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817 +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]
Introduction This guide explains how to Set Up CARP High Availability on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]
Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to mount cloud object storage on ibm aix 7.2 on […]
the cloud provider makes it easy to set up and manage your cloud infrastructure, with regions across the globe. Features like 1-click apps, managed databases, and Kubernetes make it even easier.
This tutorial will guide you through some of the next steps you may need to take after you submit a pull request to an open-source software project.
🟢 Low ⏱ 5–15 min Last verified: 13 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pgbouncer — failed auth_query lookup leads to connection as auth_user Related CVEs: CVE-2015-4054 CVE-2015-6817 Upstream summary: PgBouncer reports: New auth_user functionality introduced in 1.6 allows login as auth_user when client […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202105-12 Related CVEs: CVE-2020-35679 CVE-2020-35680 Upstream summary: Multiple vulnerabilities have been discovered in OpenSMTPD. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]
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