Aayush Goel

AWS Migration Services

A lot of companies are migrating to the cloud, and they need inexpensive, fast, and secure ways to move their on-premises data to AWS. Data Migration Service (DMS) DMS helps you migrate databases to or within AWS. Features: Migrate on-premise databases to AWS. Supports homogeneous and heterogeneous migrations. Continuous data replication. Virtually no downtime. UseContinue reading “AWS Migration Services”

AWS Networking Services

Amazon Virtual Private Cloud (VPC) VPC is a foundational service that allows you to create a secure private network in the AWS cloud where you launch your resources. Features: Private virtual network. Launch resources like EC2 instances inside the VPC. Isolate and protect resources. A VPC spans Availability Zones in a Region. VPC peering allowsContinue reading “AWS Networking Services”

Content Delivery Service(CDN)

A CDN mechanism is used to deliver content quickly and efficiently based on geographic location. Note: Latency means the time it takes to respond to a request. Low latency is good! Amazon CloudFront CloudFront is a CDN that delivers data and applications globally with low latency. Features: Makes connections available globally or restricts them basedContinue reading “Content Delivery Service(CDN)”

AWS Storage Services

Simple Storage Service – S3 S3 is an object storage service for the cloud that is highly available. Objects(files) are stored in buckets(directories). Unlimited storage that can hold millions of objects per bucket. Objects can be public or private. You can upload objects via the console, CLI, or programmatically within code using SDKs. Features YouContinue reading “AWS Storage Services”

Terminology Cheat Sheet

S. No. Term Meaning/Use 1 Access control list(ACL) Firewall on network level 2 Auto Scaling Automates the process of adding or removing instances based on traffic 3 Buckets Root – level folders 4 CloudFront Content delivery network (CDN) that allows you to store your content at “edge locations” located all around the world, allowing customersContinue reading “Terminology Cheat Sheet”

AWS Compute Services

Elastic Compute Cloud – EC2 EC2 allows you to rent and manage virtual servers in the cloud. Servers are physical computer hardware running at the data center. EC2 instances are virtual servers running on these physical servers. In the real world, it is used to deploy databases and applications. How to access the EC2 instance?Continue reading “AWS Compute Services”

AWS Introduction

Hey, I have just started learning about the AWS cloud service. During, my whole learning period I will be going to upload my notes or learnings over these blogs for others too. Traditional IT Approach How websites work We have a server that is hosted somewhere and the client uses a web browser to getContinue reading “AWS Introduction”

Cross-site Scripting

It is an injection attack where malicious JavaScript gets injected into a web application with the intention of being executed by other users. Types of XSS Reflected XSS Stored XSS DOM based XSS Blind XSS Reflected XSS Reflected XSS happens when user-supplied data in an HTTP request is included in the webpage source without anyContinue reading “Cross-site Scripting”

Understanding Log4j

What is Log4j? Log4j is a java package mostly a part of the Apache Logging utility used to capture logs. Everything you do on the internet becomes an event that gets captured in a form of a log. Even your inputs also get captured in logs. Your application is vulnerable if it logs a user’sContinue reading “Understanding Log4j”