maxmind

Is your feature request related to a problem / specific use-case? Please describe.
Sometimes there are several reverse proxies in a row (eg. CDN Cloudfront). How can I whitelist them all?

Describe the solution you'd like

By default, IPs of the private LAN range should by whitelisted. There might be advanced usecases where the real client IP is internal, that should be taken into acc

Reasons:

1. Decentralize the image registry, provide more options to the users.
2. Docker Hub now has the image pull limit policy, though not every one will face the issue, as long as you don't need to share IP address with the others, and won't pull too many images in a limited time. The easy appro