Bind is an extremely flexible DNS server that can be configured in many different ways. In this guide, we will discuss how to install Bind on an Ubuntu 14.04 server and configure it as either a caching or forwarding DNS server. Leveraging a DNS server configured like this can help speed up DNS queries for client computers.
In this tutorial you will learn how to configure Suricata’s built-in Intrusion Prevention System (IPS) mode on Rocky Linux 8. By default Suricata is configured to run as an Intrusion Detection System (IDS), which only generates alerts and logs suspicious traffic. When you…
GlusterFS is a network-attached storage filesystem that allows you to pool computing or storage resources of multiple machines. In turn, this lets you treat various computers as a single, more powerful unit. In this guide, you will create a redundant clustered storage array. This will provide functionality similar to a mirrored RAID configuration over the network.
SNMP stands for simple network management protocol. It is a way that servers can share information about their current state, and also a channel through which an administer can modify pre-defined values. In this guide, you will set up the tools to communicate using SNMP. You will be using two Ubuntu 18.04 servers to demonstrate, one that will contain the SNMP manager (client), and one to hold the SNMP agent (daemon).
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.
UFW (Uncomplicated Firewall или «простой брандмауэр») представляет собой интерфейс iptables, предназначенный для упрощения процесса настройки брандмауэра. Хотя iptables — надежный и гибкий инструмент, начинающим бывает сложно научиться использовать его для правильной настройки…
El autor seleccionó a Software in the Public Interest (SPI) para recibir una donación como parte del programa Write for DOnations. En general, los servidores basados…
NFS (сетевая файловая система) — это распределенный протокол файловой системы, позволяющий монтировать на сервер удаленные каталоги. Это позволяет управлять пространством хранения в другом месте и выполнять запись в это пространство с нескольких клиентов. NFS обеспечивает…
In this tutorial, we will demonstrate how to use Ansible, a configuration management tool, to configure Tinc VPN to secure network communications between your Ubuntu and CentOS servers. The mesh VPN that Tinc provides is especially useful if your servers are using a shared…
SNMP is a mature network management protocol that can be used to retrieve information and set values on remote systems. In previous guides, we discussed the basics of the protocol and how to get setup with an SNMP client and daemon. In this guide, we’ll cover some of the ways you can use the tools included to get information and manipulate fields on remote machines.
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