AWS Config Rule: ALB Desync Mode Check
ALB_DESYNC_MODE_CHECK
Ryan Ware
Last Update 9 tháng trước
Description: Checks if an Application Load Balancer (ALB) is configured with a user defined desync mitigation mode. The rule is NON_COMPLIANT if ALB desync mitigation mode does not match with the user defined desync mitigation mode.
Trigger type: Configuration changes
AWS Region: All supported AWS regions except China (Beijing), China (Ningxia), AWS GovCloud (US-East), AWS GovCloud (US-West), Asia Pacific (Jakarta) Region
How to Resolve Manually
In AWS console this parameter can be one of three options:
- Defensive
- Strictest
- Monitor
When this AWS Config Rule references "user defined desync mitigation mode", it means your chosen parameter from the three above. By default, StackZone sets this to monitor, but you can define up to two parameters for this Config Rule.
In order to resolve this manually, you will need to first head over to your EC2 Dashboard within your AWS Console. Ensure to select the correct region for where your ALB is located.
Choose Load Balancers from the left hand side menu. When the list of load balancers appears, choose the one you wish to edit the attributes for.
Once you have selected your target load balancer, choose Edit Attributes and here you will be able to change many attributes, including the desync mitigation mode
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