Abstract: Firewalls are widely deployed to manage enterprise networks. Because enterprise-scale firewalls contain hundreds or thousands of rules, ensuring the correctness of firewalls - that the rules ...

This mini‑lab uses Podman to spin up two lightweight OpenWrt router containers and configure their firewalls to control ICMP (ping) traffic between them. It’s designed as a simple, reproducible ...

What Is a Host Based Firewall and Is it Secure Enough? Your email has been sent Most devices come with a host based firewall, but is it enough? Learn about this vital ...

The Automated Firewall Rule Validator is a Python-based tool that analyzes firewall rules to identify overly permissive configurations, such as open ports and unrestricted source IP addresses. All ...

The Internet is a scary place. Criminals on the Internet have the ability to hide behind their computers, or even other peoples computers, while they attempt to break into your computer to steal ...

Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.

To properly protect your network, you need to know who and what has access to your network, and where all sensitive information is located. To better control access, start by limiting the devices that ...