Introduction I detected an XML-RPC login attempt failed in my WordPress site. Here is what occurred. At first glance, the warning looked like a failed login attempt, but it highlighted a crucial security concern, was someone trying to enter my...

Introduction Netcat (nc) Explained: The Swiss Army Knife of Networking is a description of one of the easiest but most versatile command line utilities used for network communication and testing. Netcat (nc) is used to establish TCP connections, send UDP...

Introduction Linux curl Command Explained: Syntax, Examples, HTTP Requests and API Testing teaches beginners how computers talk to web servers and APIs using the CLI. URL command in C Linux. The curl command is a tool to transfer data from...

If you work with big amounts of digital data you may have asked yourself what is Splunk and why do organisations use it for monitoring and security? Splunk is a data platform that enables businesses to collect, search, analyse, monitor...

What is ERD? Entity Relationship Diagram Types, Symbols & Uses How are entities and characteristics and relationships represented in a database? It is a graphical depiction of the relationships between pieces of information in a database . An entity-relationship diagram...

NAT Explained: How Private IP Addresses Access The Internet is a critical networking topic to grasp for anyone studying networking, cybersecurity, ethical hacking or system administration. Most devices at home and in business use private IP addresses, but the websites...

Wireshark is one of the most popular tools for network traffic analysis, debugging connectivity difficulties and studying the inner workings of network protocols. Wireshark Explained Packets capture, analysis, filters, protocols and troubleshooting strategies Packets capture, analysis, filters, protocols and troubleshooting...

A reverse proxy is a server that accepts requests from users and passes them to one or more backend services. What is a reverse proxy and why use Nginx? This is a crucial question for anyone learning about web servers...

From Domain Name to IP Address is a fundamental subject to anyone learning networking, web design, or cyber security. When you type in a website URL such as example.com in your browser, your computer must first find the IP address...