Qtr No. 213, New Town Yehlanka Indore 454775
An online food services startup has recently migrated to AWS to reduce the cost of ownership in the on-premises environment and to provide efficient services to its clients across countries. The architecture of the three tier application includes Amazon EC2 instances created using an Autoscaling group behind a load balancer, Multi-AZ RDS instance to store user information, DynamoDB for transactional operations and Redshift for preliminary analytics. They have also deployed WAF for preventing attacks from malicious requests. Of late the users find that the application is offline. The architects of the enterprise found "Internal Server Error" during their initial trial. Which of the following addresses this challenge?
The load balancer is unable to communicate with the IdP token endpoint or the IdP user info endpoint. Verify that the security groups for your load balancer and the network ACLs for your VPC allow outbound access to these endpoints. Verify that your VPC has internet access.
You configured an AWS WAF web access control list (web ACL) and there was an error executing the web ACL rules. Please fix the web ACL to resume the application services.
The Load balancer received a request from a client, but the client closed the connection with the load balancer before the idle timeout period elapsed. Check whether the client timeout period is greater than the idle timeout period for the load balancer. Ensure that your target provides a response to the client before the client timeout period elapses.
You configured an AWS WAF web access control list (web ACL) to monitor requests to your Application Load Balancer and it blocked the requests. Update the Web ACL accordingly and the application resumes.
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Qtr No. 213, New Town Yehlanka Indore 454775
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