How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 7 Uncontrolled traffic is one of the most common threats to web server stability. Whether the source is a poorly written client polling too aggressively, a scraper harvesting your content, or a low-volume denial-of-service attack, allowing unlimited requests to reach your application or upstream […]
🟢 Low ⏱ 5–15 min Last verified: 25 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4502-1 Related CVEs: CVE-2020-7663 Upstream summary: It was discovered that websocket-extensions does not properly parse special headers. A remote attacker could use this issue to cause regex backtracking, resulting in […]
Introduction This tutorial covers How to Configure firewalld Zones on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]
🟢 Low ⏱ 5–15 min Last verified: 25 July 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5425-1 Related CVEs: CVE-2019-20838 CVE-2020-14155 Upstream summary: Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications […]
🟠 High ⏱ 15–60 min Last verified: 25 July 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-5291 CVE-2019-12439 Upstream summary: Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user namespaces, then the `bwrap –userns2` […]
Introduction This tutorial covers How to Install WooCommerce on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]
🟠 High ⏱ 15–60 min Last verified: 25 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-2250 Related CVEs: CVE-2020-1108 CVE-2020-1161 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:0557-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20787 CVE-2020-12066 CVE-2014-9351 Upstream summary: Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size. Table of contents Symptom & Impact Environment & […]
Introduction Deploying configure auditd system auditing on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]
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 tivoli access manager on ibm aix 7.1 […]
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