March 2023 - Page 71 of 72

Common Problems 111655

Windows Server 2022 DNS Forwarders Timeout for External Queries – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2022 📖 ~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 […]

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How to Configure Winbind on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Winbind on IBM AIX 7.2

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 configure winbind on ibm aix 7.2 on IBM AIX […]

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FreeBSD 13 — rsyslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rsyslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rsyslog8 — heap buffer overflow on receiving TCP syslog Related CVEs: CVE-2014-3634 CVE-2022-24903 Upstream summary: Rainer Gerhards reports: Modules for TCP syslog reception have a heap buffer overflow when octet-counted […]

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How to Configure Apache as a Reverse Proxy on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Apache as a Reverse Proxy on Oracle Linux 9

Introduction Setting up configure apache as a reverse proxy on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Apache as a Reverse Proxy on Oracle Linux 9, with all the commands you need, the SELinux […]

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Ubuntu 16.04 — xerces-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — xerces-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6590-1 Related CVEs: CVE-2018-1311 CVE-2023-37536 CVE-2016-2099 CVE-2016-4463 CVE-2017-12627 Upstream summary: It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which […]

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Ubuntu 20.04 — python-os-brick — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-os-brick — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6073-9 Related CVEs: https://launchpad.net/bugs/2020111 CVE-2023-2088 CVE-2020-10755 Upstream summary: USN-6073-4 fixed a vulnerability in os-brick. Unfortunately the update introduced a regression with detaching volumes. The security fix has been removed pending […]

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So installieren Sie Nginx unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

So installieren Sie Nginx unter Ubuntu 20.04

Nginx ist einer der beliebtesten Webserver der Welt und verantwortlich für das Hosting einiger der größten und datenverkehrsreichsten Websites im Internet. Er ist eine leichtgewichtige Wahl, die als Webserver oder Reverse-Proxy verwendet werden…

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