diff --git a/docker-compose.yml.example b/docker-compose.yml.example
index 92ab32f40d535d68057ad8eeb4980c2d4e8180fb..2b02d27fc5e020c51d1a67c1de0e2289aa6b3e88 100644
--- a/docker-compose.yml.example
+++ b/docker-compose.yml.example
@@ -104,7 +104,6 @@ services:
       - ./simple-saml-idp/config:/var/simplesamlphp-idp/config
       - ./simple-saml-idp/metadata:/var/simplesamlphp-idp/metadata
     ports:
-      - "9000:9000"
       - "8000:8000"
     logging:
       options:
diff --git a/php/dev.ini b/php/dev.ini
index a1a02ec9c1f1a98f7215760852ac823aefd3d2ac..8d0917ab891fb36b5fc50bcbdcd948187b2f827a 100644
--- a/php/dev.ini
+++ b/php/dev.ini
@@ -4,7 +4,7 @@ display_errors = On
 xdebug.remote_enable=1
 xdebug.remote_connect_back=1
 xdebug.idekey="PHPSTORM"
-xdebug.remote_port=9999
+xdebug.remote_port=9000
 xdebug.remote_autostart=1
 # DockerNAT gateway IP
 xdebug.remote.host=host.docker.internal
diff --git a/src/backend/src/Gateways/Schedules/LocalSchedulesRepository.php b/src/backend/src/Gateways/Schedules/LocalSchedulesRepository.php
index 5e4d32278f9bcb2bee2a553d0b3b3fb669d0875e..7dd72576c0f35e62eb4a84b87a128f7842a438bb 100644
--- a/src/backend/src/Gateways/Schedules/LocalSchedulesRepository.php
+++ b/src/backend/src/Gateways/Schedules/LocalSchedulesRepository.php
@@ -9,6 +9,9 @@ use Source\Gateways\Groups\LocalGroupsRepository;
 
 class LocalSchedulesRepository extends InMemorySchedulesRepository
 {
+    /**
+     * @throws \Source\Exceptions\EntityNotFoundException
+     */
     public function __construct()
     {
         $this->create(new Schedule(
diff --git a/src/backend/tests/Feature/Door/DoorAccessTest.php b/src/backend/tests/Feature/Door/DoorAccessTest.php
index a3c9578cc9f673cdc83b4eccdbf494adddceb5a8..42e70ab1d445ed723dfb50b49a7f3c17117d1f87 100644
--- a/src/backend/tests/Feature/Door/DoorAccessTest.php
+++ b/src/backend/tests/Feature/Door/DoorAccessTest.php
@@ -4,8 +4,10 @@
 namespace Tests\Feature\Door;
 
 use Carbon\Carbon;
+use Source\Entities\User;
 use Source\Entities\Schedule;
 use Illuminate\Testing\TestResponse;
+use Source\Entities\HashedSearchable;
 use Tests\Feature\AuthenticatesWithApplicationTestCase;
 use Source\Gateways\DoorSchedule\DoorScheduleRepository;
 use Source\Gateways\DoorSchedule\InMemoryDoorScheduleRepository;
@@ -84,4 +86,51 @@ RSET;
 
         $this->response->assertStatus(200);
     }
+
+    /**
+     * @test
+     * @throws \Source\Exceptions\EntityExistsException
+     */
+    public function it_denies_invalid_users(): void
+    {
+        $this->authenticateAsDoor();
+
+        $this->authorizer->setNext(true);
+
+        $this->handleTest('asdf');
+
+        $this->response->assertStatus(403);
+    }
+
+    /**
+     * @test
+     * @throws \Source\Exceptions\EntityExistsException
+     */
+    public function it_denies_users_who_are_not_allowed(): void
+    {
+        $this->authenticateAsDoor();
+
+        $this->authorizer->setNext(false);
+
+        $this->handleTest('asdf');
+
+        $this->response->assertStatus(403);
+    }
+
+    /**
+     * @test
+     * @throws \Source\Exceptions\EntityExistsException
+     */
+    public function it_allows_valid_users(): void
+    {
+        $this->authenticateAsDoor();
+
+        $this->usersRepository->create(new User(0, '', '', '', '', null, null, HashedSearchable::hash(config('app.key'), 'asdf')));
+
+        $this->authorizer->setNext(true);
+
+        $this->handleTest('asdf');
+
+        $this->response->assertStatus(200);
+    }
 }