Tag Archives: AWS CloudWatch

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 »

Prometheus: yet-another-cloudwatch-exporter – collecting AWS CloudWatch metrics

23 July 2020
 

 Currently, to collect metrics from the AWS CloudWatch we are using AWS’s own cloudwatch-exporter, see the Prometheus: CloudWatch exporter — сбор метрик из AWS и графики в Grafana post (in Rus), but it has a few gaps: it’s written in Java, so uses CPU/memory of the monitoring host doesn’t scrapes AWS tags from resources uses… Read More »

AWS: RDS logs, export to the CloudWatch Logs and CloudFormation template

7 March 2019
 

 We have a bunch of the AWS RDS with MariaDB. Backend-developers asked me to enable slow requests logs so they can debug their application. So the task is: enable AWS RDS logging and configure export to the CloudWatch Logs for further analysis. As everything else – our RDS instances are configured via CloudFormation templates, so… Read More »