Dependency Injection in Angular
See how dependency injection for a service is done in Angular 2+.
How to Set Up ModSecurity WAF with Apache on FreeBSD 13
Introduction This guide explains how to Set Up ModSecurity WAF with Apache 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 […]
Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2021-3447)
🟠 High ⏱ 15–60 min Last verified: 21 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-3447 Related CVEs: CVE-2021-37576 CVE-2021-38201 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
FreeBSD 13 — libevhtp — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 21 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2017-9224 CVE-2017-9226 CVE-2017-9227 CVE-2017-9228 Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error […]
How to Monitor ZFS Pool Health on FreeBSD 13
Introduction Deploying monitor zfs pool health on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]
Windows Server 2019 — Install-Module fails because NuGet package provider is missing or outdated — Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 21 June 2021 Affected versions: Windows Server 2019 📖 ~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 […]
FreeBSD 13 — eGroupWare — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 21 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pear-XML_RPC — remote PHP code injection vulnerability Related CVEs: CVE-2005-2498 Upstream summary: A Hardened-PHP Project Security Advisory reports: When the library parses XMLRPC requests/responses, it constructs a string of PHP […]
AlmaLinux 8 — xorg-x11-drv-libinput — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2020:1633 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
FreeBSD 13 — rubygem20-ruby_parser — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 21 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: rubygem-ruby_parser — insecure tmp file usage Related CVEs: CVE-2013-0162 Upstream summary: Michael Scherer reports: This is a relatively minor tmp file usage issue. Table of contents Symptom & Impact Environment […]
FreeBSD 13 — freeradius — multiple vulnerabilities (13 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 21 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: FreeRadius — Multiple vulnerabilities Related CVEs: CVE-2004-0938 CVE-2004-0960 CVE-2004-0961 CVE-2005-1454 CVE-2005-1455 CVE-2005-4744 CVE-2005-4745 CVE-2006-1354 +5 more Upstream summary: Guido Vranken reports: Multiple vulnerabilities found via fuzzing: FR-GV-201 (v2,v3) Read / […]
