Introduction — The Confusing Part Everyone Asks Anycast is one of those internet concepts that sounds simple, but we do not really know what it means and how it works. Anycast, in a simple way, is one IP to many locations, but it becomes confusing when we start to think about routing. How can many servers hold the same IP in a network? In this post, I will share how anycast works in a moderately technical way, without being too technical. ...
Introduction to Hugo Hugo s an open-source static site generator with many community-built Themes for many kind of purpose. It is written in Go and been optimized for speed and flexibility. Static websites also load faster compared to dynamic ones. Hugo Installation Let’s start by installing the framework on your host machine. I mostly use Linux and WSL, so this guide is based on those operating systems. To install Hugo: sudo snap install hugo For other operating systems, please refer to Hugo Documentation. ...
When learning networking for any reason, such as for professional certificates like CCNA or for upskilling, we cannot avoid using one of the popular tools, which is EVE-NG. This is my first post about EVE-NG as I want to pursue the Cisco SCOR certification, and I find it more interesting to learn through labbing rather than just memorizing facts. What is EVE-NG? It is a software used for network simulation with various devices across vendors, as long as we have the image files needed for those devices. EVE-NG can be deployed using VirtualBox (Type 2 hypervisor), ESXi (Type 1 hypervisor), on bare metal servers, or on the cloud using providers that allow nested virtualization, such as GCP. ...
In my previous post, I shared how the basic flow of an email works before it reaches our inbox. Then, I introduced Cisco’s solution for email security, which is Cisco SEG, previously known as Cisco Secure Email Appliance (ESA). This post will also wrap up my current learning about Cisco ESA before I attempt the concentration exam in the CCNP Security track related to email security — the Cisco SESA exam. ...
The Problem SEG Solves Nowadays, email is one of the most targeted places for scammers and hackers to find their victims. Statistics from Cisco state that 85% of email is spam, containing various malicious content like malware, phishing, ransomware, etc. That is why email security is very crucial and vital in the enterprise email environment. Cisco Secure Email Gateway (SEG), previously known as Cisco Email Security Appliance (ESA), is an appliance designed as a front-line defense for enterprise email infrastructure. ...