Using an IIS server with multiple sites behind an application loadbalancer


I am trying to put some sites on an iis server behind a loadbalancer on aws.

The loadbalancer has ssl certificate from acm.

To have the site reachable on the configured subdomain, I have to bind both the loadbalancer and the subdomain url to the site, but I have more than one site on that server, meaning...I cannot bind the loadbalancer url to more than one site at a time. Why do I have to bind the loadbalancer url to a site before it works, I used to believe binding it to the subdomain url was sufficient? If I bind only the url of the subdomain to the site, it would be unavailable...please what configuration or steps do I take in cases like this?

asked 2 months ago65 views
1 Answer
Accepted Answer

This was resolved with host headers on alb listener rules pointing to the target group of the instance, once done, it was no longer necessary to bind a site to the alb url

answered 2 months ago

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