Webacl disconnects ALB if EC2 instance is rotated

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Hello,

any ideas why AWS WAF (WebACL) running on ALB disconnects ALB from itself when an EC2 instance serving that ALB is rotated? It is observed every time an ec2 instance is gone.

1 Answer
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EC2 serving the ALB as in as a target? Also, WAF automatically disassociation if another WAF gets attached to the same ALB so can you check in CloudTrail if that is happening? Also, can you verify in CloudTrail what is the source of the disassociation?

AWS
EXPERT
answered 2 months ago

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