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doc: add note about remoteaddr strategy

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mpl 2023-02-09 17:34:06 +01:00 • committed by GitHub
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docs/content/middlewares/http/ipwhitelist.md
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@ -75,7 +75,10 @@ The `sourceRange` option sets the allowed IPs (or ranges of allowed IPs by using
### `ipStrategy`
The `ipStrategy` option defines two parameters that set how Traefik determines the client IP: `depth`, and `excludedIPs`.
The `ipStrategy` option defines two parameters that set how Traefik determines the client IP: `depth`, and `excludedIPs`.
If no strategy is set, the default behavior is to match `sourceRange` against the Remote address found in the request.
!!! important "As a middleware, whitelisting happens before the actual proxying to the backend takes place. In addition, the previous network hop only gets appended to `X-Forwarded-For` during the last stages of proxying, i.e. after it has already passed through whitelisting. Therefore, during whitelisting, as the previous network hop is not yet present in `X-Forwarded-For`, it cannot be matched against `sourceRange`."
#### `ipStrategy.depth`