The redirection in Varnish using IP2Location data

Introduction Varnish is a web application accelerator that improves the overall online web performance. In a nutshell, it acts as a caching HTTP reverse proxy to improve the response time to end user if the pages were previously visited and cached. In addition, the server admin can implement various rules […]

Using Postman to call IP2Location IP Geolocation API

Intro Postman is a development tool you can use to test the calling of an API. We will demonstrate how to configure Postman with the IP2Location IP Geolocation API Swagger configuration to easily setup the request to the API. Pre-requisites First of all, you will need to download the Postman […]

What is 6to4 tunneling?

Intro We have previously covered briefly how an IPv4 network can communicate with an IPv6 network. One of the methods is via an IPv6 tunnel. In this article, we’ll delve deeper into 6to4 which is an IPv6 tunneling mechanism. By using 6to4, IPv6 packets can be transmitted over an IPv4 […]

IP2Location Geolocation information with Nmap

Intro Nmap (Network Mapper) is a free and open-source network scanner created by Gordon Lyon. It is a valuable tool in the arsenal of a network administrator to probe networks and much more. To enhance the functionality of Nmap with IP2Location, we have created a script to return geolocation information […]

Connecting IPv4 with IPv6

Intro Internet Protocol version 4 (IPv4) address is what most people are familiar with if they have surfed the Internet before. This is the IP address that allows you to communicate with web servers to get web pages and also send emails as well as instant messages. Example of an […]

How to display country flag using image sprite

Introduction In this tutorial, we will demonstrate how to use the image sprite that consists of 249 country flags for website display. In a nutshell, it is a method that combines, usually, multiple small images into a single image file for usage. Image sprite and its advantages What are the […]

What is IP spoofing?

Intro Anyone with a basic understanding of networking will know that data is transmitted between machines using IP packets. The sender’s IP address is also contained inside these packets. With IP spoofing, the sender’s IP address is changed to a different IP address. This means the machine receiving the IP […]