Let’s Encrypt provides free, automated SSL/TLS certificates via the ACME protocol. Certbot is the official Let’s Encrypt client. This guide installs Certbot and manages certificates for Nginx on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A domain name pointed to your server Port 80 and […]
Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up harden nginx with security headers on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]
🟢 Low ⏱ 5–15 min Last verified: 12 October 2024 Affected versions: FreeBSD 14 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mDNSResponder — corrupted stack crash when parsing bad resolv.conf Upstream summary: Juli Mallett reports: mdnsd will crash on some systems with a corrupt stack and once that's fixed it will […]
🔴 Critical ⏱ 5–30 min Last verified: 8 October 2024 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]
🟠 High ⏱ 5–30 min Last verified: 8 October 2024 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read • Source: SUSE advisory RHSA-2024:9423 (see also SUSE bugzilla) Related CVEs: CVE-2023-29483 Upstream summary: eventlet before 0.35.2, as used in dnspython before 2.6.0, allows remote attackers to interfere with DNS name resolution by quickly sending […]
🟢 Low ⏱ 5–15 min Last verified: 5 October 2024 Affected versions: FreeBSD 14 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: maradns — denial of service when resolving a long DNS hostname Related CVEs: CVE-2008-0061 CVE-2011-0520 Upstream summary: MaraDNS developer Sam Trenholme reports: … a mistake in allocating an array of […]
🟡 Medium ⏱ 5–30 min Last verified: 30 September 2024 📖 ~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 […]
🟡 Medium ⏱ 5–30 min Last verified: 27 September 2024 📖 ~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 […]
🟡 Medium ⏱ 5–30 min Last verified: 23 September 2024 Affected versions: FreeBSD 14 📖 ~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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