HTTP requests and HTTP responses use header fields to send information about the HTTP messages. Header fields are colon-separated name-value pairs that are separated by a carriage return (CR) and a line feed (LF). A standard set of HTTP header fields is defined in RFC 2616, Message Headers. There are also non-standard HTTP headers available (and automatically added) that are widely used by the applications. Some of the non-standard HTTP headers have an X-Forwarded prefix. Classic Load Balancers support the following X-Forwarded headers.
Turn off “SSL required” in WordPress. The correct solution is for WordPress to detect that the client connected to the LB via HTTPS and not redirect the client to HTTPS. The key is to process X-Forwarded-Proto header. Here is a link that will explain in more detail:
Reference
- Php Server: HTTP_X_FORWARDED_SSL usage
- How do I redirect HTTP traffic to HTTPS on my Classic Load Balancer in ELB?
- WordPress with AWS ELB and SSL
- WordPress instance behind AWS Application Load Balancer and trouble with implementing HTTPS
- https://community.bitnami.com/t/wordpress-instance-behind-aws-application-load-balancer-and-trouble-with-implementing-https/57847
- https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/x-forwarded-headers.html#x-forwarded-proto
- https://stackoverflow.com/questions/30702490/how-to-fix-wordpress-https-issues-when-behind-an-amazon-load-balancer
- https://blog.lawrencemcdaniel.com/wordpress-aws-elb-ssl/
- https://aws.amazon.com/premiumsupport/knowledge-center/redirect-http-https-elb/
- https://docs.bitnami.com/aws/how-to/configure-elb-ssl-aws/
- https://stackoverflow.com/questions/44741282/php-server-http-x-forwarded-ssl-usage
- https://blog.lawrencemcdaniel.com/wordpress-aws-elb-ssl/
- https://blog.lawrencemcdaniel.com/wordpress-aws-elb-ssl/
- https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/x-forwarded-headers.html#x-forwarded-proto
- https://community.bitnami.com/t/wordpress-instance-behind-aws-application-load-balancer-and-trouble-with-implementing-https/57847/2
- https://stackoverflow.com/questions/51489257/wordpress-nginx-alb-ssl-link-issue
- https://stackoverflow.com/questions/30702490/how-to-fix-wordpress-https-issues-when-behind-an-amazon-load-balancer
- https://www.greeneggmedia.com/blog/entry/fixing-wordpress-redirect-loop-with-aws-elastic-load-balancer
- https://blog.lawrencemcdaniel.com/wordpress-aws-elb-ssl/
I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.
I publish technical articles at DevOps School, travel stories at Holiday Landmark, stock market insights at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow, and SEO and digital marketing strategies at Wizbrand.
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