AWS: Route53 Private Hosted Zones — hiding domains from the Internet

26 July 2021
 

 Private Hosted Zone in AWS Route53 allows to limit access to DNS records of a domain, thus making it inaccessible for the DNS Enumeration (or DNS brute-force), when an attacker checks for available records in a domain to know endpoints list to check them for vulnerabilities. For such attacks, there is a lot of utilities… Read More »

AWS: WAF WebACL logging and Logz.io integration

22 July 2021
 

 In the first post – AWS: Web Application Firewall overview, configuration, and its monitoring – we spoke about its main components, created a WebACL and Rules for it, and did basic monitoring. Also, we’ve configured WebACL’s logs collection with AWS Kinesis, but now it’s time to see them Logz.io, as CloudWatch Logs isn’t available for… Read More »

AWS: Web Application Firewall overview, configuration, and its monitoring

19 July 2021
 

  AWS WAF (Web Application Firewall) is an AWS service for monitoring incoming traffic to secure a web application for suspicious activity like SQL injections. Can be attached to an AWS Application LoadBalancer, AWS CloudFront distribution, Amazon API Gateway, and AWS AppSync GraphQL API. In case of finding any request that sits WAF’s rules, it… Read More »

AWS: CloudTrail overview and integration with CloudWatch and Opsgenie

15 July 2021
 

 AWS CloudTrail is a service for auditing AWS accounts events and is enabled by default. It saves all actions that were done by a user, IAM role, or an AWS service via AWS Console, AWS CLI, or AWS SDK. CloudTrail will write information about every API call, log in to the system, services events, and… Read More »

AWS: Simple Email Service Bounce rate and monitoring with and Prometheus

14 July 2021
 

 Recently, AWS blocked our AWS Simple Email Service because of its low bounce rate. This can be checked in the AWS SES > Reputation Dashboard, our account currently has Under review status: After we’ve connected AWS Tech Support, they enabled it back, but we must solve the issue asap, and have to monitor AWS SES… Read More »

Kubernetes: Deployment Strategies types, and Argo Rollouts

12 July 2021
 

 One of the goals of the ArgoCD implementation in our project is to use new Deployment Strategies for our applications. In this post, we will observe deployment types in Kubernetes, how Deployment is working in Kubernetes and a quick example of the Argo Rollouts. Deployment Strategies and Kubernetes Let’s take a short overview of the… Read More »

AWS Hero: June, 2021 announce

11 June 2021
 

  Amazon Web Services has a special AWS Hero program for people, who made a significant contribution to the AWS community. Suddenly, I was nominated there and announced in June in the AWS Container Hero category. Mainly, because of this blog and AWS/Kubernetes/EKS posts. And by the way – I’m the very first AWS Hero… Read More »

DevOps IT Ring

8 June 2021
 

 💥9 June, 17:00 — IT Ring “DevOps” | Online/Offline. 6 speakers will come together in one IT Ring to determine the real functions of DevOps specialists and discuss what their cooperation with programmers should be. Topics: 📌 “Who are DevOps: people or tools?” 📌 “The perfect Architect – DevOps or developer?” 📌 “If you have… Read More »

DevSecOps Build-up from Cloud Builders

1 June 2021
 

  Cloud Builders Community invites to join the DevSecOps Build-up to discuss the best DevSecOps practices with experts from Microsoft, Pulumi, Stand Out In Tech, and Intellias. Speakers lineup: Continuously Implementing DevSecOps in AWS, — Volodymyr Shynkar, Senior Lead DevOps Engineer at Intellias. Join the fireside chat in Cloud AMA (ask me anything) format with… Read More »

ArgoCD: declarative Projects, Applications, and ArgoCD deploy from Jenkins

19 May 2021
 

 An application, cluster, or repository can be created In ArgoCD from its WebUI, CLI, or by writing a Kubernetes manifest that then can be passed to kubectl to create resources. For example, Applications are Kubernetes CustomResources and described in Kubernetes CRD applications.argoproj.io: And are accessible in ArgoCD’s namespaces as common Kubernetes resources: Such an approach… Read More »