Secure name resolution with DNS-over-TLS
What's the Name?
© Photo by Ainur Iman on Unsplash
Ordinary DNS sends queries in plaintext. If you're looking for something safer, dial up the privacy with DNS-over-TLS.
In the constantly shifting terrain of network security and administration, the demand for robust privacy measures is at an all-time high. Modern organizations navigate a complex digital ecosystem, often grappling with threats that compromise the integrity of their data and communications. Enter Linux's advanced networking capabilities paired with the security fortifications of DNS-over-TLS – a fusion that promises heightened security levels. This article examines how this integration elevates network privacy, enhancing protection against potential cyberthreats while maintaining seamless communication flows in intricate digital landscapes.
The Problem
At its core, the Domain Name System (DNS) acts as the Internet's directory. Every time a user inputs a domain name into their browser, DNS is the mechanism that translates this human-readable address into a machine-recognizable IP address. For IT professionals, this is Networking 101. Every web application, every cloud service, and every remote server connection hinges on the reliable functioning of DNS.
However, a key flaw permeates traditional DNS. The process, which involves converting domain names into IP addresses, operates in plaintext. The absence of encryption exposes a significant vulnerability, as plaintext communication can be intercepted, viewed, or even manipulated by malicious actors.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Blender App Makes it to the Big Screen
The animated film "Flow" won the Oscar for Best Animated Feature at the 97th Academy Awards held on March 2, 2025 and Blender was a part of it.
-
Linux Mint Retools the Cinnamon App Launcher
The developers of Linux Mint are working on an improved Cinnamon App Launcher with a better, more accessible UI.
-
New Linux Tool for Security Issues
Seal Security is launching a new solution to automate fixing Linux vulnerabilities.
-
Ubuntu 25.04 Coming Soon
Ubuntu 25.04 (Plucky Puffin) has been given an April release date with many notable updates.
-
Gnome Developers Consider Dropping RPM Support
In a move that might shock a lot of users, the Gnome development team has proposed the idea of going straight up Flatpak.
-
openSUSE Tumbleweed Ditches AppArmor for SELinux
If you're an openSUSE Tumbleweed user, you can expect a major change to the distribution.
-
Plasma 6.3 Now Available
Plasma desktop v6.3 has a couple of pretty nifty tricks up its sleeve.
-
LibreOffice 25.2 Has Arrived
If you've been hoping for a release that offers more UI customizations, you're in for a treat.
-
TuxCare Has a Big AlmaLinux 9 Announcement in Store
TuxCare announced it has successfully completed a Security Technical Implementation Guide for AlmaLinux OS 9.
-
First Release Candidate for Linux Kernel 6.14 Now Available
Linus Torvalds has officially released the first release candidate for kernel 6.14 and it includes over 500,000 lines of modified code, making for a small release.