Memory object caching systems like Memcached can optimize backend database performance by temporarily storing information in memory, retaining frequently or recently requested records. In this guide, we will cover how to protect your Memcached server by binding your installation to a local or private network interface and creating an authorized user for your Memcached instance.
O autor selecionou a Tech Education Fund para receber uma doação como parte do programa Write for DOnations. Um [service…
In this article we will be looking at enhancing system security by increasing the level of monitoring performed. We are going to set up Linux Socket Monitor (LSM) which sends out alerts when a new socket / port is created, which is a potential signal of an intrusion by an unknown application taking over its host.
Iptables ist eine Firewall-Technologie, die in vielen Linux-Systemen eine wesentliche Rolle bei der Netzwerksicherheit spielt. In diesem Tutorial erläutern wir die Verwendung der folgenden iptables-Aufgaben: Regeln auflisten, Paket- und Byte-Zähler löschen, Regeln löschen, Ketten leeren (alle Regeln in einer Kette löschen) und iptables-Firewall vollständig zurücksetzen.
In this guide, you will learn how to install `fail2ban` on a Rocky Linux 8 server and configure it to monitor your Nginx logs for intrusion attempts. Fail2ban can significantly mitigate brute force attacks by creating rules that automatically alter your firewall configuration to ban specific IPs after a certain number of unsuccessful login attempts. This will allow your server to harden itself against these access attempts without intervention from you.
To protect your SSH server with an two-factor authentication, you can use the Google Authenticator PAM module. Read this tutorial to expand your knowledge on the subject.
Mail-in-a-Box is an open source software bundle that makes it easy to turn your Ubuntu server into a full-stack email solution for multiple domains.
This tutorial will show you how to set up a free TLS/SSL certificate from Let’s Encrypt on a Ubuntu 16.04 server running Apache as web server. TLS certificates are used within web servers to encrypt the traffic between server and client, providing extra security for users accessing your application.
MySQL and MariaDB are relational databases used in many unique situations. However, they can pose a security risk for your system and your data if you do not secure them properly. This guide will introduce some basic considerations and steps you can take to ensure that your data is more secure.
Let’s Encrypt — это центр сертификации (ЦС), позволяющий легко получать и устанавливать бесплатные сертификаты TLS/SSL, что позволяет использовать на…
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