🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201901-3 Related CVEs: CVE-2018-18521 CVE-2018-18520 CVE-2018-18310 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.174-1. Fixed in: 0.175-1. Group: AVG-785. Table of contents Symptom & Impact Environment & Reproduction […]
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]
How to Configure Windows Server 2016 DNS Security Extensions DNS Security Extensions (DNSSEC) is a suite of Internet Engineering Task Force (IETF) specifications for securing DNS data. DNSSEC protects against DNS cache poisoning and man-in-the-middle attacks by digitally signing DNS records, allowing resolvers to verify that the responses they receive are authentic and have not […]
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: glibc — gethostbyname buffer overflow Related CVEs: CVE-2015-0235 Upstream summary: Robert Krátký reports: GHOST is a 'buffer overflow' bug affecting the gethostbyname() and gethostbyname2() function calls in the glibc library. […]
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibm security qradar with aix on ibm aix […]
Introduction HashiCorp Packer is an open-source tool that automates the creation of identical machine images for multiple platforms from a single configuration file. Building custom Windows Server 2016 images with Packer ensures that every virtual machine deployed in your environment starts from a hardened, pre-configured baseline — with all Windows updates, security settings, required software, […]
How to Write Ansible Playbooks for Server Automation on RHEL 7 Ansible playbooks are the heart of infrastructure automation. While ad-hoc commands are useful for one-off tasks, playbooks allow you to describe a desired system state in YAML and apply it repeatably and idempotently across your entire fleet. A well-written playbook can provision a complete […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-3074 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 +5 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]
首次新建 Ubuntu 18.04 服务器时，您应该在基本设置过程早期完成一些配置步骤。 这样将会增加服务器的安全性和可用性，并为后续操作打下坚实基础。 <$>[note] 注：以下指南展示如何手动完成有关新 Ubuntu 18.04 服务器的建议步骤。 通过手动执行此程序，可有助于学习一些基本的系统管理技能，并当作练习以全面了解要在服务器上执行的操作。…
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