How to redirect to https when using load balancer in front of nginx
nginx-forum at forum.nginx.org
Thu Sep 5 01:32:41 UTC 2019
In order to redirect http to https, you have to define a listener rule in
the ALB that redirects all traffic on port 80 to port 443 (of the ALB) with
the original path and query parameters. The status code should be a 301
(permanent redirection). That's the context between the client and the ALB.
The certificate for the domain(s) will be installed in the ALB.
The target group for the ALB would contain the http target (or be filled in
by an auto-scaling group's members in case you have multiple targets from an
auto-scaling group). Your application server would only see http requests
coming from the ALB. You won't get any https requests.
The important point about rewriting http requests (from the client
perspective) to https requests (client perspective again) is to define that
rule in the ALB, and make that rule redirect requests for all paths.
On the other hand, why do you need the ALB if you have an NGINX in there,
anyway? I would rather settle for a simple NLB and handle http/https
redirections etc. in the NGINX itself.
Posted at Nginx Forum: https://forum.nginx.org/read.php?2,285559,285561#msg-285561
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