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Add an anchor on the options names.

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Nicolas Mengin 2025-09-09 17:26:05 +02:00 • committed by GitHub
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docs/content/reference/routing-configuration/http/middlewares/ipallowlist.md
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@ -56,10 +56,10 @@ spec:
| Field | Description | Default | Required |
|:-----------|:------------------------------|:--------|:---------|
| `sourceRange` | List of allowed IPs (or ranges of allowed IPs by using CIDR notation). | | Yes |
| `ipStrategy.depth` | Depth position of the IP to select in the `X-Forwarded-For` header (starting from the right).<br />0 means no depth.<br />If greater than the total number of IPs in `X-Forwarded-For`, then the client IP is empty<br /> If higher than 0, the `excludedIPs` options is not evaluated.<br /> More information about [`ipStrategy](#ipstrategy), and [`depth`](#example-of-depth--x-forwarded-for) below. | 0 | No |
| `ipStrategy.excludedIPs` | Allows Traefik to scan the `X-Forwarded-For` header and select the first IP not in the list.<br />If `depth` is specified, `excludedIPs` is ignored.<br /> More information about [`ipStrategy](#ipstrategy), and [`excludedIPs`](#example-of-excludedips--x-forwarded-for) below. | | No |
| `ipStrategy.ipv6Subnet` | If `ipv6Subnet` is provided and the selected IP is IPv6, the IP is transformed into the first IP of the subnet it belongs to. <br />More information about [`ipStrategy.ipv6Subnet`](#ipstrategyipv6subnet), and [`excludedIPs`](#example-of-excludedips--x-forwarded-for) below. | | No |
| <a id="sourceRange" href="#sourceRange" title="#sourceRange">`sourceRange`</a> | List of allowed IPs (or ranges of allowed IPs by using CIDR notation). | | Yes |
| <a id="ipStrategy-depth" href="#ipStrategy-depth" title="#ipStrategy-depth">`ipStrategy.depth`</a> | Depth position of the IP to select in the `X-Forwarded-For` header (starting from the right).<br />0 means no depth.<br />If greater than the total number of IPs in `X-Forwarded-For`, then the client IP is empty<br /> If higher than 0, the `excludedIPs` options is not evaluated.<br /> More information about [`ipStrategy](#ipstrategy), and [`depth`](#example-of-depth--x-forwarded-for) below. | 0 | No |
| <a id="ipStrategy-excludedIPs" href="#ipStrategy-excludedIPs" title="#ipStrategy-excludedIPs">`ipStrategy.excludedIPs`</a> | Allows Traefik to scan the `X-Forwarded-For` header and select the first IP not in the list.<br />If `depth` is specified, `excludedIPs` is ignored.<br /> More information about [`ipStrategy](#ipstrategy), and [`excludedIPs`](#example-of-excludedips--x-forwarded-for) below. | | No |
| <a id="ipStrategy-ipv6Subnet" href="#ipStrategy-ipv6Subnet" title="#ipStrategy-ipv6Subnet">`ipStrategy.ipv6Subnet`</a> | If `ipv6Subnet` is provided and the selected IP is IPv6, the IP is transformed into the first IP of the subnet it belongs to. <br />More information about [`ipStrategy.ipv6Subnet`](#ipstrategyipv6subnet), and [`excludedIPs`](#example-of-excludedips--x-forwarded-for) below. | | No |
### ipStrategy
@ -95,9 +95,9 @@ If `ipv6Subnet` is provided, the IP is transformed in the following way.
| IP | ipv6Subnet | clientIP |
|---------------------------|--------------|-----------------------|
| `"::abcd:1111:2222:3333"` | `64` | `"::0:0:0:0"` |
| `"::abcd:1111:2222:3333"` | `80` | `"::abcd:0:0:0:0"` |
| `"::abcd:1111:2222:3333"` | `96` | `"::abcd:1111:0:0:0"` |
| <a id="abcd111122223333" href="#abcd111122223333" title="#abcd111122223333">`"::abcd:1111:2222:3333"`</a> | `64` | `"::0:0:0:0"` |
| <a id="abcd111122223333-2" href="#abcd111122223333-2" title="#abcd111122223333-2">`"::abcd:1111:2222:3333"`</a> | `80` | `"::abcd:0:0:0:0"` |
| <a id="abcd111122223333-3" href="#abcd111122223333-3" title="#abcd111122223333-3">`"::abcd:1111:2222:3333"`</a> | `96` | `"::abcd:1111:0:0:0"` |
### Example of Depth & X-Forwarded-For
@ -105,16 +105,16 @@ If `depth` is set to 2, and the request `X-Forwarded-For` header is `"10.0.0.1,1
| X-Forwarded-For | depth | clientIP |
|-----------------------------------------|---------|--------------|
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `1` | `"13.0.0.1"` |
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `3` | `"11.0.0.1"` |
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `5` | `""` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1" href="#10-0-0-111-0-0-112-0-0-113-0-0-1" title="#10-0-0-111-0-0-112-0-0-113-0-0-1">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `1` | `"13.0.0.1"` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1-2" href="#10-0-0-111-0-0-112-0-0-113-0-0-1-2" title="#10-0-0-111-0-0-112-0-0-113-0-0-1-2">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `3` | `"11.0.0.1"` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1-3" href="#10-0-0-111-0-0-112-0-0-113-0-0-1-3" title="#10-0-0-111-0-0-112-0-0-113-0-0-1-3">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `5` | `""` |
### Example of ExcludedIPs & X-Forwarded-For
| X-Forwarded-For | excludedIPs | clientIP |
|-----------------------------------------|-----------------------|--------------|
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"12.0.0.1,13.0.0.1"` | `"11.0.0.1"` |
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"15.0.0.1,13.0.0.1"` | `"12.0.0.1"` |
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"10.0.0.1,13.0.0.1"` | `"12.0.0.1"` |
| `"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"` | `"15.0.0.1,16.0.0.1"` | `"13.0.0.1"` |
| `"10.0.0.1,11.0.0.1"` | `"10.0.0.1,11.0.0.1"` | `""` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1-4" href="#10-0-0-111-0-0-112-0-0-113-0-0-1-4" title="#10-0-0-111-0-0-112-0-0-113-0-0-1-4">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `"12.0.0.1,13.0.0.1"` | `"11.0.0.1"` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1-5" href="#10-0-0-111-0-0-112-0-0-113-0-0-1-5" title="#10-0-0-111-0-0-112-0-0-113-0-0-1-5">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `"15.0.0.1,13.0.0.1"` | `"12.0.0.1"` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1-6" href="#10-0-0-111-0-0-112-0-0-113-0-0-1-6" title="#10-0-0-111-0-0-112-0-0-113-0-0-1-6">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `"10.0.0.1,13.0.0.1"` | `"12.0.0.1"` |
| <a id="10-0-0-111-0-0-112-0-0-113-0-0-1-7" href="#10-0-0-111-0-0-112-0-0-113-0-0-1-7" title="#10-0-0-111-0-0-112-0-0-113-0-0-1-7">`"10.0.0.1,11.0.0.1,12.0.0.1,13.0.0.1"`</a> | `"15.0.0.1,16.0.0.1"` | `"13.0.0.1"` |
| <a id="10-0-0-111-0-0-1" href="#10-0-0-111-0-0-1" title="#10-0-0-111-0-0-1">`"10.0.0.1,11.0.0.1"`</a> | `"10.0.0.1,11.0.0.1"` | `""` |