diff --git a/.env b/.env
index c85004d..532e120 100644
--- a/.env
+++ b/.env
@@ -54,4 +54,10 @@ APP_ADD_ROOM_REMOTE_IP_REGEX=/.*/
 APP_ADD_POST_REMOTE_IP_REGEX=/.*/
 
 # Time quota for remote publications by IP (seconds)
-APP_ADD_POST_REMOTE_IP_DELAY=60
\ No newline at end of file
+APP_ADD_POST_REMOTE_IP_DELAY=60
+
+# Skip access limits for following IPs separated by |
+APP_ADD_POST_REMOTE_IP_MODERATORS=
+
+# Post content rules (for kevacoin value)
+APP_ADD_POST_VALUE_REGEX=/[\w]{2,3072}/
\ No newline at end of file
diff --git a/config/services.yaml b/config/services.yaml
index 56617f0..253487f 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -18,6 +18,11 @@ parameters:
     app.kevacoin.mine.address: '%env(APP_KEVACOIN_MINE_ADDRESS)%'
     app.kevacoin.mine.pool.url: '%env(APP_KEVACOIN_MINE_POOL_URL)%'
     app.kevacoin.mine.solo.url: '%env(APP_KEVACOIN_MINE_SOLO_URL)%'
+    app.add.room.remote.ip.regex: '%env(APP_ADD_ROOM_REMOTE_IP_REGEX)%'
+    app.add.post.remote.ip.regex: '%env(APP_ADD_POST_REMOTE_IP_REGEX)%'
+    app.add.post.remote.ip.delay: '%env(APP_ADD_POST_REMOTE_IP_DELAY)%'
+    app.add.post.remote.ip.moderators: '%env(APP_ADD_POST_REMOTE_IP_MODERATORS)%'
+    app.add.post.value.regex: '%env(APP_ADD_POST_VALUE_REGEX)%'
 
 services:
     # default configuration for services in *this* file
diff --git a/src/Controller/RoomController.php b/src/Controller/RoomController.php
index 4472831..c62e830 100644
--- a/src/Controller/RoomController.php
+++ b/src/Controller/RoomController.php
@@ -148,7 +148,7 @@ class RoomController extends AbstractController
     }
 
     #[Route(
-        '/room/{namespace}/post',
+        '/room/{namespace}',
         name: 'room_post',
         requirements:
         [
@@ -172,7 +172,7 @@ class RoomController extends AbstractController
             $this->getParameter('app.kevacoin.password')
         );
 
-        // Check namespace exist for this wallet
+        // Get local namespaces
         $namespaces = [];
 
         foreach ((array) $client->kevaListNamespaces() as $value)
@@ -180,14 +180,45 @@ class RoomController extends AbstractController
             $namespaces[] = $value['namespaceId'];
         }
 
+        // Check namespace exist for this wallet
         if (!in_array($request->get('namespace'), $namespaces))
         {
             exit('Namespace not related with this node!');
         }
 
-        // @TODO
+        // Check namespace writable
+        if (!in_array($request->get('namespace'), (array) explode('|', $this->getParameter('app.kevacoin.room.namespaces'))))
+        {
+            exit('Namespace not listed in settings!');
+        }
+
+        // Validate access to the room namespace
+        if
+        (
+            // Ignore this rule for is moderators
+            !in_array(
+                (array) explode('|', $this->getParameter('app.add.post.remote.ip.moderators'))
+            ) &&
+
+            // Check namespace writable or user is moderator
+            in_array(
+                $request->get('namespace'),
+                (array) explode('|', $this->getParameter('app.kevacoin.room.namespaces.readonly'))
+            )
+        )
+        {
+            exit('Namespace for read only!');
+        }
+
+        // Validate remote IP regex
+
+        // Validate remote IP limits
+
+        // Validate funds
+
+        // @TODO Send message to DHT
 
-        // Redirect back to the room
+        // Redirect back to room
         return $this->redirectToRoute(
             'room_namespace',
             [