A tutorial on how to use HAProxy as a Layer 4 Load Balancer for WordPress Application Servers. It assumes that your setup includes a WordPress application server that connects to a separate MySQL database server.
Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on an Ubuntu 20.04 server.
🟢 Low ⏱ 5–15 min Last verified: 27 April 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-9942 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2024-2488 Related CVEs: CVE-2020-36774 Upstream summary: plugins/gtk+/glade-gtk-box.c in GNOME Glade before 3.38.1 and 3.39.x before 3.40.0 mishandles widget rebuilding for GladeGtkBox, leading to a denial of service (application crash). (CVE-2020-36774) […]
O módulo mod_rewrite do Apache permite reescrever URLs de uma maneira mais limpa, traduzindo caminhos legíveis por humanos em strings de consulta ou query strings amigáveis ao código. Também permite reescrever URLs com base em condições. Um arquivo .htaccess lhe permite…
🟡 Medium ⏱ 10–30 min Last verified: 27 April 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7622-1 Related CVEs: CVE-2020-11023 CVE-2019-11358 CVE-2020-11022 CVE-2012-6708 Upstream summary: It was discovered that jQuery did not correctly handle HTML tags. An attacker could possibly use this issue to execute a […]
🟢 Low ⏱ 5–30 min Last verified: 26 April 2020 Affected versions: Debian 9 📖 ~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 & […]
Introduction Deploying set up port knocking 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2025:14811-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-0262 CVE-2013-0263 CVE-2015-3225 Upstream summary: rack/file.rb (Rack::File) in Rack 1.5.x before 1.5.2 and 1.4.x before 1.4.5 allows attackers to access arbitrary files outside the intended […]
![Como Instalar o Nginx no Ubuntu 20.04 [Quickstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-nginx-on-ubuntu-20-04-quickstart-pt-81958-featured.png "Como Instalar o Nginx no Ubuntu 20.04 [Quickstart] 10")
O Nginx é um dos servidores Web mais populares no mundo e é responsável por hospedar alguns dos sites de maior tráfego na Internet. Ele é mais amigável do que o Apache em termos de recursos na maioria dos casos e pode ser usado como um servidor Web ou como proxy…
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