Deprecate IPWhiteList middleware in favor of IPAllowList

Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>

docs/content/middlewares/tcp/ipallowlist.md

@@ -0,0 +1,60 @@
+---
+title: "Traefik TCP Middlewares IPAllowList"
+description: "Learn how to use IPAllowList in TCP middleware for limiting clients to specific IPs in Traefik Proxy. Read the technical documentation."
+---
+
+# IPAllowList
+
+Limiting Clients to Specific IPs
+{: .subtitle }
+
+IPAllowList accepts / refuses connections based on the client IP.
+
+## Configuration Examples
+
+```yaml tab="Docker & Swarm"
+# Accepts connections from defined IP
+labels:
+  - "traefik.tcp.middlewares.test-ipallowlist.ipallowlist.sourcerange=127.0.0.1/32, 192.168.1.7"
+```
+
+```yaml tab="Kubernetes"
+apiVersion: traefik.io/v1alpha1
+kind: MiddlewareTCP
+metadata:
+  name: test-ipallowlist
+spec:
+  ipAllowList:
+    sourceRange:
+      - 127.0.0.1/32
+      - 192.168.1.7
+```
+
+```yaml tab="Consul Catalog"
+# Accepts request from defined IP
+- "traefik.tcp.middlewares.test-ipallowlist.ipallowlist.sourcerange=127.0.0.1/32, 192.168.1.7"
+```
+
+```toml tab="File (TOML)"
+# Accepts request from defined IP
+[tcp.middlewares]
+  [tcp.middlewares.test-ipallowlist.ipAllowList]
+    sourceRange = ["127.0.0.1/32", "192.168.1.7"]
+```
+
+```yaml tab="File (YAML)"
+# Accepts request from defined IP
+tcp:
+  middlewares:
+    test-ipallowlist:
+      ipAllowList:
+        sourceRange:
+          - "127.0.0.1/32"
+          - "192.168.1.7"
+```
+
+## Configuration Options
+
+### `sourceRange`
+
+The `sourceRange` option sets the allowed IPs (or ranges of allowed IPs by using CIDR notation).

docs/content/middlewares/tcp/ipwhitelist.md

@@ -8,7 +8,11 @@ description: "Learn how to use IPWhiteList in TCP middleware for limiting client
 Limiting Clients to Specific IPs
 {: .subtitle }
 
-IPWhitelist accepts / refuses connections based on the client IP.
+IPWhiteList accepts / refuses connections based on the client IP.
+
+!!! warning
+
+    This middleware is deprecated, please use the [IPAllowList](./ipallowlist.md) middleware instead.
 
 ## Configuration Examples