My Journey in Information Technology

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What is OSPF, and how does it work? Explore the benefits of this popular routing protocol for large networks.

Table of contentsKey TakeawaysIntroduction to OSPFWhat is OSPF?Key Features of OSPFBackground and History of OSPFOSPF vs. RIPLimitations of RIPAdvantages of OSPF over RIPOSPF AreasBackbone AreaArea Design ConsiderationsBorder RoutersEnable OSPFOSPF Neighbor RelationshipsDR/BDR Election ProcessNeighbor StatesBuild the Link-State DatabaseTypes of Link-State PacketsFlooding and Receiving…

Discover what BGP routing is and how it powers the Internet. Learn about this crucial protocol that connects networks worldwide and enables global communication.

Table of contentsKey TakeawaysWhat is BGP RoutingInterdomain Routing ProtocolPath Vector RoutingEvolution of BGPBorder Gateway Protocol (BGP) EssentialsPolicy-Based Routing ProtocoleBGP and iBGPUnderstanding Internet ConnectivityAutonomous Systems and RoutesThe Role of Border Routers and PeeringAutonomous Systems in BGPBGP Routing and Network SecurityAuthentication and FilteringResource Public…

Discover what an Autonomous Number (ASN) is and its crucial role in internet routing. Learn how ASNs help organize and manage the global network.

Table of contentsUnderstanding Autonomous System Numbers (ASNs)Definition and Purpose of ASNsRole in Internet Routing and ConnectivityASNs and IP Address BlocksImportance for Network Operators and ISPsThe Evolution of ASN Formats2-byte ASNs: Structure and limitations4-byte ASNs: Expanded capacity and adoptionTransition from 2-byte to 4-byte ASNsHow to Get the AS Number for a Particular IP…

Introduction What is an IP Address? Understanding the Basics Importance of IP Addresses How to Lookup IP Address on Windows Finding Your IP Address on Linux Checking IP Address on Android Devices Locating Your IP Address on iOS Troubleshooting Network Issues with IP Addresses Common IP Address Problems Resolving Connectivity Errors IP Address Security Considerations Dynamic vs. Static…

Implementing a secure and scalable API Gateway with Lambda authorizer. Leverage Terraform to manage your resources efficiently.

Background: API Gateway with Lambda AuthorizerBenefits of Using API Gateway with Lambda AuthorizerOverview of the Terraform ImplementationDetailed Explanation of the Terraform CodeProviderVariableLocalsData SourcesIAM Roles and PoliciesIAM Role for Core FunctionIAM Role for Lambda Authorizer FunctionLambda Core FunctionLambda Authorizer FunctionBenefits of Using Environment VariablesAPI Gateway…

Learn how to automate the deployment of serverless infrastructure on AWS using Terraform. Create Lambda functions and API Gateways with ease.

In my previous blog post, I explored the benefits of serverless architecture using AWS Lambda and API Gateway. Now, let’s dive deeper and see how we can leverage Terraform to automate the deployment of this infrastructure. Terraform is an Infrastructure as Code (IaC) tool that defines infrastructure resources (like Lambda functions and API Gateways) in a human-readable format. This blog post…

Serverless architecture offers a compelling solution with its pay-per-use model and automatic scaling. This blog post will explore building a scalable serverless architecture using AWS Lambda and API Gateway.

IntroductionUnderstanding Serverless ArchitectureCore Components: AWS Lambda and API GatewayBuilding a Scalable Serverless ArchitectureExample Architecture: Processing API Requests and Saving DataBenefits of Serverless ArchitectureConclusionRelated Posts Introduction In today’s fast-paced digital world, applications must handle fluctuating workloads without compromising performance or cost.…

Introducing the DNS Propagation Checker

This tool monitors your domain’s IP address across multiple locations. Users can quickly check their IP address from multiple global locations by inputting a domain name.

Table of contentsIPv6 Address NotationIPv6 SubnettingConclusionRelated Links IPv6 Address Notation IPv6 addresses span 128 bits and typically appear as eight groups of four hexadecimal digits separated by colons. For example, 2001:0db8:85a3:0000:0000:8a2e:0370:7334. To simplify notation, IPv6 addresses allow removing leading zeros within each group and condensing consecutive sections of zeros…

Discover how to create AWS Lambda Layers with Terraform and enhance your deployment process for faster and easier management.

Why create AWS Lambda Layers with Terraform?What is AWS Lambda Layer?Creating a Python Package for a LayerUsing Terraform to Create a Lambda LayerThings to ConsiderConclusionRelated Links Why create AWS Lambda Layers with Terraform? AWS Lambda Layers offer a powerful way to share code and dependencies across multiple Lambda functions, but managing them manually can be time-consuming and…

Learn about MAC randomization and how it protects your privacy by generating random MAC addresses for network interfaces.

MAC randomization is a privacy-enhancing feature that generates random MAC addresses for network interfaces. This helps to protect user privacy by making it challenging to track devices across different networks. How Does MAC Randomization Work? When a device with MAC randomization enabled connects to a Wi-Fi network, it creates a temporary, random MAC address instead of its permanent hardware…

Learn how to find MAC addresses on your network for troubleshooting and network management. A step-by-step guide for Windows and Linux users.

Knowing the MAC addresses of devices on your network is helpful for troubleshooting, security, and network management. Here’s how to find them Finding MAC Addresses with Windows and Linux Windows: Open Command Prompt. Type arp -a to see connected devices and their MAC addresses. Details on some of the typical entries on the MAC Address Link-Local Addresses: Devices automatically receive…

Learn how to find your MAC Address on Linux with ease. Use our helpful commands and techniques to locate your network interface identifier.

A MAC (Media Access Control) address is a unique identifier assigned to network interfaces. This article will guide you through various methods to find your MAC address on a Linux system. Using the ip Command The ip command is versatile for network configuration, including managing interfaces, routing, and addresses. It’s also useful for finding MAC addresses through the ip link show command,…