What is Website Caching?
Caches store copies of files to deliver websites robustly to deliver at fast speeds where they are needed for various demands. Caching stores copies of files or data in a…
Useful ‘host’ Command Examples for Querying DNS Lookups
Host command is a minimal and easy-to-use the command line interface, or CLI utility for performing DNS lookups which translate domain names to IP addresses and vice versa. It can…
8 Linux Nslookup Commands to Troubleshoot DNS (Domain Name Server)
nslookup is a command-line administrative tool for testing and troubleshooting DNS servers (Domain Name Server). It is used to query specific DNS resource records (RR) as well. Most operating systems…
What Is LoRa?
LoRa (short for long range) is a spread spectrum modulation technique derived from chirp spread spectrum (CSS) technology. LoRa is a long range, low power wireless platform that has become…
Zero Trust security | What is a Zero Trust network?
Zero Trust is a security model based on maintaining strict access controls and not trusting anyone by default, even those already inside the network perimeter. What is Zero Trust security?…
What Is Network Address Translation (NAT)? Meaning, Working, and Examples
NAT is used to map multiple local private addresses to a single IP address. What Is Network Address Translation (NAT)? Network address translation (NAT) is the process of mapping private…
The DNS System Hierarchy
Domain Name System (DNS) Hierarchy. Caches, Resolvers, Root, TLD, and Authoritative Name Servers explained for DNS requests.
What is Data Loss Prevention (DLP)?
Data loss prevention (DLP) is a set of tools and processes used to ensure that sensitive data is not lost, misused, or unauthorized access. DLP software classifies regulated, confidential, and…
What is URL filtering?
URL filtering enables companies to block individual web pages and files to restrict what content their employees can access over company networks. URL filtering restricts what web content users can…
What is DNS Filtering?
DNS filtering defined DNS filtering (or DNS block) describes a cybersecurity measure used to stop internet users from accessing unapproved websites on a server. Organizations use DNS blocking to secure…