How to Configure Firewalld (Basic Commands)

Installing Firewalld grants a long list of commands available for configuring iptables rules. But there are a few tasks you should understand to get started with securing your server. Below we cover: Basic Firewalld CLI Commands Change Firewalld status Runtime Vs. Permanent Reload Firewalld Firewalld Zones Firewalld Services Firewalld Ports Panic mode Firewalld raw files Read More >

How to Install ClamTK on Ubuntu

There are many ways to use the ClamAV command-line anti-virus scanner available for Unix, Windows, and macOS. There’s of course the command-line application itself. There’s also a ClamAV cPanel plugin for managed VPS and dedicated server customers. And there’s ClamTK, a graphical user interface (GUI) application for Linux and BSD desktop distributions. ClamTK allows users Read More >

KeePass for Windows User Guide

In this article we will outline how to install and use the KeePass password management software on your Windows computer. This software is useful for managing usernames, passwords, and other sensitive information used for your various digital resources within an encrypted database file. This article will cover:  Why use KeePass?  How to Install KeePass Managing Read More >

How to Install ConfigServer Security & Firewall (CSF) on Ubuntu

ConfigServer Security & Firewall (CSF) is a stateful packet inspection (SPI) firewall and front-end manager for iptables. CSF is a more advanced alternative to APF and has integrations for Vesta Control Panel, Webmin, and more. Below we cover how to install CSF on Ubuntu and complete basic tasks such as manage ports, configure Login Failure Read More >

How to Enable DNS-over-HTTPS and Encrypted SNI in Firefox

Starting in Firefox 73, users can easily use DNS-over-HTTPS (DoH) and Encrypted Server Name Indication (SNI) for better privacy without extra software. These newer DNS security features help protect user privacy during web activity. What is DNS-over-HTTPS (DoH)? DoH encrypts DNS traffic with HTTPS (port 443) and HTTP/2 and requires authentication of the requested server. Read More >

How to Hide Your NGINX Server Version

Banner grabbing is the act of scanning websites to find server information including services and open ports. This technique is used during vulnerability assessments. Hiding your server version from scanning tools makes it harder for hackers to know what vulnerabilities can be exploited on your server. We use many internal tools for enhanced server security Read More >