Brian Downey Posted December 11, 2017 Share Posted December 11, 2017 Hi All, We're using WHMCS in Elastic Beanstalk and would like to migrate our SSL/TLS Certificates away from Starfield and over to AWS Certificate Manager for easy of maintenance. Our Elastic Load Balancer within Elastic Beanstalk is configured to terminate HTTPS, and then rebuilds another HTTPS session from the ELB to the EC2 instance. At the time (several years ago and WHMCS v5), this was the only working configuration that made WHMCS happy given the System URL & Trusted Proxies options. In order to do "less customizing" we'd much prefer to terminate SSL/TLS at the ELB, and run clear HTTP in our VPC to the backing EC2 instances. This would allow native ACM integration and hands-free certificate management, and make the EC2 instance customization unnecessary. However, based on prior experience terminating SSL/TLS at a load balancer is not possible in WHMCS; i.e. things go funky with URL redirection; etc. Has anyone out there done something similar with SSL/TLS termination at an upstream device? This is a pretty common practice, especially in the enterprise space, so I was surprised to see little to no info out there when Googling for WHMCS. Link to comment Share on other sites More sharing options...
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