Rafael dos Santos Silva b136375582
FEATURE: Rate limit exceptions via ENV (#14033)
Allow admins to configure exceptions to our Rails rate limiter.

Configuration happens in the environment variables, and work with both
IPs and CIDR blocks.

Example:

```
env:
  DISCOURSE_MAX_REQS_PER_IP_EXCEPTIONS: >-
    14.15.16.32/27
    216.148.1.2
```
2021-08-13 12:00:23 -03:00
..
2017-07-28 10:20:09 +09:00