Remote addr can support several load balancers #757
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Shortly after two load balancers were set up for our foreman installation, we noticed sometimes calls to /unattended/built were failing. This was due to this line of code in UnattendedController,
Since I thought :remote_addr was just an IP, this IP was set to one of the balancers. Of course in a system with several load balancers, some calls would fail. :remote_addr could be an array that contains several ips, but I believe that since it's a string used as a regexp, we can exploit this fact to support several load balancers. It works.