При настройке сетевой инфраструктуры чаще всего основной задачей является установка и настройка приложений. Однако настройка приложений без обеспечения корректных мер безопасности может иметь разрушительные последствия для вашей инфраструктуры в долгосрочной перспективе. В этой…
OpenVPN is an open-source virtual private network (VPN) server/client application which allows you to join a virtual network (similar to a LAN) securely. This tutorial will explain how to install and configure an OpenVPN server on a FreeBSD 10.1 machine with IPv4 NAT and routing. By the end, you’ll be running your own OpenVPN server, and have a client configuration file ready to download to connect to this network.
In this tutorial you will learn how to configure Suricata’s built-in Intrusion Prevention System (IPS) mode on Debian 11. By default Suricata is configured to run as an Intrusion Detection System (IDS), which only generates alerts and logs suspicious traffic. When you enable…
In this guide, you will install and configure a Memcached server. You’ll also add authentication to secure Memcached using Simple Authentication and Security Layer (SASL). Finally, you’ll learn how to bind Memcached to a local or private network interface to ensure that it is only accessible on trusted networks, by authenticated users.
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.
Firewalld is a complete firewall solution available by default on CentOS and Fedora servers. In this guide, we will cover how to set up a basic firewall for your server and show you how to manage the firewall with firewall-cmd, its command-line administrative interface.
UFW, or Uncomplicated Firewall, is an interface to iptables that is geared towards simplifying the process of configuring a firewall. While iptables is a solid and flexible tool, it can be difficult for beginners to learn how to use it to properly configure a firewall. If you’re looking to get started securing your network, and you’re not sure which tool to use, UFW may be the right choice for you. This tutorial will show you how to set up a firewall with UFW on Ubuntu 14.04.
Un réseau privé virtuel (VPN) vous permet de traverser des réseaux non fiables comme si vous étiez sur un réseau privé. Il vous donne la liberté d’accéder à l’internet en toute sécurité depuis votre smartphone ou votre…
Master the essentials of UFW with this guide to common firewall rules and commands. Learn how to configure, enable, and secure your Linux system using UFW.
This the cloud provider Blueprint article was written by Sebastian Gierlinger, a Senior DevOps Engineer at Ghost. It covers the steps that were taken to migrate the Ghost(Pro) infrastructure from dedicated servers to cloud servers. In each step, Sebastian will discuss the challenges that were faced, how each challenge was solved, and why each solution was chosen. He’ll also provide links to relevant resources that he found to be helpful.
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