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
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2020-01-15 11:27:12 +01:00
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2020-05-05 13:46:57 +10:00
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