VMware Workstation Player is a mature, stable virtualization platform that lets you run multiple isolated operating systems on a single physical…
A properly configured firewall is one of the most important layers of security for any internet-facing server. UFW (Uncomplicated Firewall) is a user-friendly front-end for managing iptables rules that ships pre-installed on Ubuntu. Its defaults are sensible: block all incoming connections, allow all outgoing connections. No outside traffic reaches your server unless you explicitly open a port. This guide covers how to configure a UFW firewall on Ubuntu 18.04, from setting default policies and application profiles to writing allow and deny rules for specific ports, IPs, and subnets. <strong>Prerequisite:</strong> You need sudo access. Configure UFW Firewall on Ubuntu: Defaults, SSH, and Application Profiles If UFW is not installed, add it with: bashsudo apt install ufw Check the current status: bashsudo…
UFW (Uncomplicated Firewall) is a user-friendly front-end for managing iptables rules on Ubuntu. It ships pre-installed and simplifies tasks that would…
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