Refuse recursive requests

Co-authored-by: Michael <michael.matur@gmail.com>

docs/content/providers/consul-catalog.md

@@ -529,6 +529,13 @@ providers:
 # ...
 ```
 
+??? info "Default rule and Traefik service"
+
+    The exposure of the Traefik container, combined with the default rule mechanism,
+    can lead to create a router targeting itself in a loop.
+    In this case, to prevent an infinite loop,
+    Traefik adds an internal middleware to refuse the request if it comes from the same router.
+
 ### `connectAware`
 
 _Optional, Default=false_

docs/content/providers/docker.md

@@ -466,6 +466,13 @@ providers:
 # ...
 ```
 
+??? info "Default rule and Traefik service"
+
+    The exposure of the Traefik container, combined with the default rule mechanism,
+    can lead to create a router targeting itself in a loop.
+    In this case, to prevent an infinite loop,
+    Traefik adds an internal middleware to refuse the request if it comes from the same router.
+
 ### `swarmMode`
 
 _Optional, Default=false_

docs/content/providers/ecs.md

@@ -263,6 +263,13 @@ providers:
 # ...
 ```
 
+??? info "Default rule and Traefik service"
+
+    The exposure of the Traefik container, combined with the default rule mechanism,
+    can lead to create a router targeting itself in a loop.
+    In this case, to prevent an infinite loop,
+    Traefik adds an internal middleware to refuse the request if it comes from the same router.
+
 ### `refreshSeconds`
 
 _Optional, Default=15_

docs/content/providers/marathon.md

@@ -142,6 +142,13 @@ providers:
 # ...
 ```
 
+??? info "Default rule and Traefik service"
+
+    The exposure of the Traefik container, combined with the default rule mechanism,
+    can lead to create a router targeting itself in a loop.
+    In this case, to prevent an infinite loop,
+    Traefik adds an internal middleware to refuse the request if it comes from the same router.
+
 ### `dialerTimeout`
 
 _Optional, Default=5s_

docs/content/providers/nomad.md

@@ -377,6 +377,13 @@ providers:
 # ...
 ```
 
+??? info "Default rule and Traefik service"
+
+    The exposure of the Traefik container, combined with the default rule mechanism,
+    can lead to create a router targeting itself in a loop.
+    In this case, to prevent an infinite loop,
+    Traefik adds an internal middleware to refuse the request if it comes from the same router.
+
 ### `constraints`
 
 _Optional, Default=""_

docs/content/providers/rancher.md

@@ -125,6 +125,13 @@ providers:
 # ...
 ```
 
+??? info "Default rule and Traefik service"
+
+    The exposure of the Traefik container, combined with the default rule mechanism,
+    can lead to create a router targeting itself in a loop.
+    In this case, to prevent an infinite loop,
+    Traefik adds an internal middleware to refuse the request if it comes from the same router.
+
 ### `enableServiceHealthFilter`
 
 _Optional, Default=true_