The Domain Name System (DNS) is a system that allows users to access websites and online services by translating domain names into IP addresses. Without DNS, users would need to remember numerical IP addresses instead of domain names. This article explains the basics of DNS, its purpose, and how it…
Brave Browser is well-known for its privacy features, including its Private Window with Tor option, which routes traffic through the Tor network to provide anonymous browsing. While this is beneficial for users seeking extra privacy, it can pose challenges for administrators responsible for content filtering, especially in environments like schools,…
To strengthen your organization’s security posture, it’s essential to secure browser settings, particularly for widely used browsers like Google Chrome. By leveraging Chrome’s Group Policy settings, administrators can control browser behavior and limit potential vulnerabilities. This includes disabling features like Secure DNS (DNS-over-HTTPS), which can bypass network-level filtering and pose…
To protect your network and enhance security, it’s crucial to lock down your browser’s settings, particularly on Microsoft Edge, which may expose your organization to unnecessary risks if not properly configured. One of the most effective ways to harden Edge is by controlling browser behavior through Group Policy settings. This…
DNS (Domain Name System) resolvers are powerful tools for controlling access to certain websites and managing traffic flow on the internet, but they aren’t designed to filter content at a granular level, such as blocking specific keywords or images. This article explains why. 1. How DNS Filtering Works A DNS…
Secure DNS (Domain Name System) ensures your browser communicates with websites securely, protecting your privacy and preventing cyber threats. Secure DNS encrypts your DNS queries, which makes it harder for third parties, like your ISP or hackers, to monitor your browsing habits. This can be set automatically for you depending…
Web Guard is a free service for T-Mobile customers that can be used to help restrict adult content from being seen or accessed by family members under 18 years old. This filter will interfere with our service. What is Web Guard? Web Guard prevents access to adult web content only when your…
A common evasion technique network administrators have to contend with is when a user makes local changes to their network settings. In most cases, by default, when a user makes a local change to their network settings they can easily bypass your network controls. To help mitigate this risk, we…
A common concern is how to address the issue of devices bypassing network controls by making local network changes on the device. The most obvious answer is to prevent those types of changes on the device. That being said, that’s not always possible for a network administrator (i.e., maybe you…
To change the DNS settings on a Linux machine based on the user that logs in, you can create a script that runs at login and adjusts the DNS settings accordingly. This article will provide you a step-by-step guide on how to do this. Technical Knowledge Requirements Before following this…