UDP (User Datagram Protocol) explained in details
UDP (User Datagram Protocol) is one of the well-known protocols in network communications. Thanks...
Linux Host command, troubleshot your DNS
Today we will add one more handy DNS tool – Host command on Linux. For the purpose, we will use the latest Linux Mint 19.1 (based on...
TTL and how to check TTL
TTL – Time to live is a value that signifies how long should the data be kept before discarding. It is commonly used in computers. In...
Monitoring your DNS, should you do it?
DNS Monitoring can serve you and help you detect unwanted issues. As you probably know, the...
IPv4 vs IPv6 and where did IPv5 go?
Every time you see some network settings, there are IPv4 or IPv6 addresses. As you can guess, the previous versions are long in the past...
How to create your own CDN using DNS
A CDN – Content Delivery Network is responsible for the content delivery. We all interact with CDNs on a daily basis – when we...
DNS Hijacking: What It Is and How to Protect Yourself
DNS hijacking is a malicious cyber attack that can have serious consequences, such as stealing your...
TCPdump for Beginners: What It Is, How to Install, and Key Commands
TCPdump is a powerful command-line tool for analyzing network traffic in real-time, making it indispensable for network administrators and...
Firewall Monitor Explained: Enhancing Network Protection
In network security, Firewall Monitor serves as a crucial guardian, creating a protective shield between trusted internal networks and...
What is IPv4? Everything you need to know
Nowadays, in this rapidly evolving global Internet world, we can’t skip the IPv4. It is the...