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DNS

tigera

Introducing Low-Latency DNS Policy with eBPF in Calico Enterprise

Dec 17, 2024 By Tomas Hruby In Tigera
In Kubernetes, pods often need to securely communicate with external resources, such as internet services or APIs. Traditional Kubernetes network policies use IP addresses to identify these external resources. However, managing policies with IP addresses can be challenging because IPs often change, especially when dealing with dynamic websites or APIs.
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tigera

Optimizing Kubernetes DNS with NodeLocal DNSCache and Calico eBPF: A Practitioner's Guide

Nov 21, 2024 By Tomas Hruby In Tigera
In the world of Kubernetes, optimizing cluster performance and reliability is paramount, especially when it comes to fundamental operations like DNS lookups. NodeLocal DNSCache is one such solution that helps reduce DNS latency by caching responses locally on each node. While this tool is effective in standard Kubernetes setups, complications arise when integrating it with advanced networking solutions such as eBPF-based dataplanes.
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netwrix

What DNS over HTTPS (DoH) Is and How to Enable in Windows 10

Sep 27, 2024 By Dirk Schrader In Netwrix
DNS (Domain Name System) is a key component of the Internet infrastructure. DNS functions as a distributed directory service that translates human-readable domain names into machine-readable IP addresses. When you type a website address into your browser, the DNS system helps your browser find the right server on the internet. DNS uses a hierarchical and distributed database to manage the mapping of domain names to IP addresses.
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graylog

DNS Security Best Practices for Logging

Aug 29, 2024 By Jeff Darrington In Graylog
Your Domain Name System (DNS) infrastructure enables users to connect to web-based resources by translating everyday language into IP addresses. Imagine going into a restaurant, in the age before the internet, only to find that the staff speaks and the menu is written in a different language from yours. Without some shared communication form, you can’t order dinner, and they can’t give you what you want.
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tigera

Advantages of Calico's DNS Policy Implementation over Cilium's DNS Policy Implementation

Aug 22, 2024 By Dhiraj Sehgal In Tigera
DNS policies play a critical role in managing and securing workload communication for cloud-native applications running on Kubernetes clusters. Two popular options for implementing DNS policies are Calico and Cilium. While both have their merits, Calico’s approach offers several distinct advantages over Cilium’s, particularly in terms of flexibility, scalability, and overall operational simplicity.
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What is a DNS (Domain Name System) and How Does a DNS Work?

Jun 24, 2024 By Cloudflare In Cloudflare
Explore the essential role of DNS (Domain Name System) in the internet ecosystem with this detailed video. Whether you're navigating the web or managing websites, understanding DNS is vital for optimizing website loading speeds and bolstering cybersecurity.. In this video, we cover: Whether you're a beginner curious about internet infrastructure or a tech enthusiast seeking deeper insights, join us as we unravel the mechanics of DNS. This video provides invaluable knowledge to empower you in navigating the digital world effectively.
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manageengine

Proactive network management with strategic scheduling of DNS and DHCP objects and reports

Jun 7, 2024 By DDI Central In ManageEngine
In the complex and often fluid world of network management, the ability to swiftly adapt to changing requirements is paramount. This is especially true in scenarios involving temporary projects, testing environments, or seasonal events that generate unusually high traffic. Using ManageEngine DDI Central, you can schedule the activation of DHCP objects—like subnets, shared networks, host or DHCP reservations, client classes, and DNS changes—at specific times, making a significant difference.
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ionix

DNS Server Hijacking Explained: Examples & Mitigation

Jun 6, 2024 By Nethanel Gelernter In IONIX
The digital supply chain refers to the chain of third-party digital tools, services and infrastructure that a company depends on for a particular first-party service (such as their website or SaaS platform). In an ever-changing digital landscape, supply chains can be brittle with many unseen risks. The nature of supply chain risk is transitive; any part of the often long and complicated digital supply chain can be compromised, causing all components downstream of it to also be compromised.
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