Explanation:
CloudFront by default doesn't forward cookies, so sticky session cookies from ALB aren't passed, causing logouts. Configure CloudFront to forward cookies. Also, duration-based uses AWSALB cookie, but for stateful apps, application-based cookies (AWSALBAPP) with custom names are better to avoid conflicts and ensure proper stickiness beyond default 15 min or so.
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Users are being logged out of a stateful web app before the 15-minute timer expires. The app uses ALB with sticky sessions (duration-based cookies) behind CloudFront. Which TWO actions resolve the logout problem?
A
Change to the least outstanding requests algorithm on the ALB target group.
B
Configure cookie forwarding in the CloudFront distribution's cache behavior settings.
C
Configure the duration-based cookie to be named AWSALB.
D
Configure the ALB to use the expiration cookie header.
E
Change the ALB to use application-based cookies.
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