diff --git a/app/Http/Middleware/Daemon/DaemonAuthenticate.php b/app/Http/Middleware/Daemon/DaemonAuthenticate.php
index ab587cbe0..d06711af9 100644
--- a/app/Http/Middleware/Daemon/DaemonAuthenticate.php
+++ b/app/Http/Middleware/Daemon/DaemonAuthenticate.php
@@ -32,19 +32,20 @@ use Pterodactyl\Exceptions\Repository\RecordNotFoundException;
 
 class DaemonAuthenticate
 {
+    /**
+     * @var \Pterodactyl\Contracts\Repository\NodeRepositoryInterface
+     */
+    private $repository;
+
     /**
      * Daemon routes that this middleware should be skipped on.
+     *
      * @var array
      */
     protected $except = [
         'daemon.configuration',
     ];
 
-    /**
-     * @var \Pterodactyl\Contracts\Repository\NodeRepositoryInterface
-     */
-    protected $repository;
-
     /**
      * DaemonAuthenticate constructor.
      *
diff --git a/app/Http/Middleware/Server/AccessingValidServer.php b/app/Http/Middleware/Server/AccessingValidServer.php
index 762f9a298..5137d7721 100644
--- a/app/Http/Middleware/Server/AccessingValidServer.php
+++ b/app/Http/Middleware/Server/AccessingValidServer.php
@@ -6,7 +6,6 @@ use Closure;
 use Illuminate\Http\Request;
 use Pterodactyl\Models\Server;
 use Illuminate\Contracts\Session\Session;
-use Illuminate\Auth\AuthenticationException;
 use Illuminate\Contracts\Config\Repository as ConfigRepository;
 use Pterodactyl\Contracts\Repository\ServerRepositoryInterface;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
@@ -17,22 +16,17 @@ class AccessingValidServer
     /**
      * @var \Illuminate\Contracts\Config\Repository
      */
-    protected $config;
+    private $config;
 
     /**
      * @var \Pterodactyl\Contracts\Repository\ServerRepositoryInterface
      */
-    protected $repository;
-
-    /**
-     * @var \Pterodactyl\Models\Server
-     */
-    protected $server;
+    private $repository;
 
     /**
      * @var \Illuminate\Contracts\Session\Session
      */
-    protected $session;
+    private $session;
 
     /**
      * AccessingValidServer constructor.
@@ -56,7 +50,7 @@ class AccessingValidServer
      *
      * @param \Illuminate\Http\Request $request
      * @param \Closure                 $next
-     * @return mixed
+     * @return \Illuminate\Http\Response|mixed
      *
      * @throws \Illuminate\Auth\AuthenticationException
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
@@ -65,10 +59,6 @@ class AccessingValidServer
      */
     public function handle(Request $request, Closure $next)
     {
-        if (! $request->user()) {
-            throw new AuthenticationException;
-        }
-
         $attributes = $request->route()->parameter('server');
         $isApiRequest = $request->expectsJson() || $request->is(...$this->config->get('pterodactyl.json_routes', []));
         $server = $this->repository->getByUuid($attributes instanceof Server ? $attributes->uuid : $attributes);
@@ -89,9 +79,11 @@ class AccessingValidServer
             return response()->view('errors.suspended', [], 403);
         }
 
+        // Servers can have install statuses other than 1 or 0, so don't check
+        // for a bool-type operator here.
         if ($server->installed !== 1) {
             if ($isApiRequest) {
-                throw new AccessDeniedHttpException('Server is completing install process.');
+                throw new AccessDeniedHttpException('Server is not marked as installed.');
             }
 
             return response()->view('errors.installing', [], 403);
diff --git a/tests/Unit/Http/Middleware/Daemon/DaemonAuthenticateTest.php b/tests/Unit/Http/Middleware/Daemon/DaemonAuthenticateTest.php
new file mode 100644
index 000000000..efe667743
--- /dev/null
+++ b/tests/Unit/Http/Middleware/Daemon/DaemonAuthenticateTest.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace Tests\Unit\Http\Middleware\Daemon;
+
+use Closure;
+use Mockery as m;
+use Tests\TestCase;
+use Illuminate\Http\Request;
+use Pterodactyl\Models\Node;
+use Symfony\Component\HttpFoundation\ParameterBag;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+use Pterodactyl\Http\Middleware\Daemon\DaemonAuthenticate;
+use Pterodactyl\Contracts\Repository\NodeRepositoryInterface;
+use Pterodactyl\Exceptions\Repository\RecordNotFoundException;
+
+class DaemonAuthenticateTest extends TestCase
+{
+    /**
+     * @var \Pterodactyl\Contracts\Repository\NodeRepositoryInterface|\Mockery\Mock
+     */
+    private $repository;
+
+    /**
+     * @var \Illuminate\Http\Request|\Mockery\Mock
+     */
+    private $request;
+
+    /**
+     * Setup tests.
+     */
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->repository = m::mock(NodeRepositoryInterface::class);
+        $this->request = m::mock(Request::class);
+        $this->request->attributes = new ParameterBag();
+    }
+
+    /**
+     * Test that if we are accessing the daemon.configuration route this middleware is not
+     * applied in order to allow an unauthenticated request to use a token to grab data.
+     */
+    public function testResponseShouldContinueIfRouteIsExempted()
+    {
+        $this->request->shouldReceive('route->getName')->withNoArgs()->once()->andReturn('daemon.configuration');
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+    }
+
+    /**
+     * Test that not passing in the bearer token will result in a HTTP/401 error with the
+     * proper response headers.
+     */
+    public function testResponseShouldFailIfNoTokenIsProvided()
+    {
+        $this->request->shouldReceive('route->getName')->withNoArgs()->once()->andReturn('random.route');
+        $this->request->shouldReceive('bearerToken')->withNoArgs()->once()->andReturnNull();
+
+        try {
+            $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        } catch (HttpException $exception) {
+            $this->assertEquals(401, $exception->getStatusCode(), 'Assert that a status code of 401 is returned.');
+            $this->assertTrue(is_array($exception->getHeaders()), 'Assert that an array of headers is returned.');
+            $this->assertArrayHasKey('WWW-Authenticate', $exception->getHeaders(), 'Assert exception headers contains WWW-Authenticate.');
+            $this->assertEquals('Bearer', $exception->getHeaders()['WWW-Authenticate']);
+        }
+    }
+
+    /**
+     * Test that passing in an invalid node daemon secret will result in a HTTP/403
+     * error response.
+     */
+    public function testResponseShouldFailIfNoNodeIsFound()
+    {
+        $this->request->shouldReceive('route->getName')->withNoArgs()->once()->andReturn('random.route');
+        $this->request->shouldReceive('bearerToken')->withNoArgs()->once()->andReturn('test1234');
+
+        $this->repository->shouldReceive('findFirstWhere')->with([['daemonSecret', '=', 'test1234']])->once()->andThrow(new RecordNotFoundException);
+
+        try {
+            $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        } catch (HttpException $exception) {
+            $this->assertEquals(403, $exception->getStatusCode(), 'Assert that a status code of 403 is returned.');
+        }
+    }
+
+    /**
+     * Test a successful middleware process.
+     */
+    public function testSuccessfulMiddlewareProcess()
+    {
+        $model = factory(Node::class)->make();
+
+        $this->request->shouldReceive('route->getName')->withNoArgs()->once()->andReturn('random.route');
+        $this->request->shouldReceive('bearerToken')->withNoArgs()->once()->andReturn($model->daemonSecret);
+
+        $this->repository->shouldReceive('findFirstWhere')->with([['daemonSecret', '=', $model->daemonSecret]])->once()->andReturn($model);
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        $this->assertTrue($this->request->attributes->has('node'), 'Assert request attributes contains node.');
+        $this->assertSame($model, $this->request->attributes->get('node'));
+    }
+
+    /**
+     * Return an instance of the middleware using mocked dependencies.
+     *
+     * @return \Pterodactyl\Http\Middleware\Daemon\DaemonAuthenticate
+     */
+    private function getMiddleware(): DaemonAuthenticate
+    {
+        return new DaemonAuthenticate($this->repository);
+    }
+
+    /**
+     * Provide a closure to be used when validating that the response from the middleware
+     * is the same request object we passed into it.
+     */
+    private function getClosureAssertions(): Closure
+    {
+        return function ($response) {
+            $this->assertInstanceOf(Request::class, $response);
+            $this->assertSame($this->request, $response);
+        };
+    }
+}
diff --git a/tests/Unit/Http/Middleware/Server/AccessingValidServerTest.php b/tests/Unit/Http/Middleware/Server/AccessingValidServerTest.php
new file mode 100644
index 000000000..0cf27e8a6
--- /dev/null
+++ b/tests/Unit/Http/Middleware/Server/AccessingValidServerTest.php
@@ -0,0 +1,185 @@
+<?php
+
+namespace Tests\Unit\Http\Middleware\Server;
+
+use Closure;
+use Mockery as m;
+use Tests\TestCase;
+use Illuminate\View\View;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Pterodactyl\Models\Server;
+use Illuminate\Contracts\Session\Session;
+use Illuminate\Contracts\Config\Repository;
+use Symfony\Component\HttpFoundation\ParameterBag;
+use Pterodactyl\Http\Middleware\AccessingValidServer;
+use Pterodactyl\Contracts\Repository\ServerRepositoryInterface;
+
+class AccessingValidServerTest extends TestCase
+{
+    /**
+     * @var \Illuminate\Contracts\Config\Repository|\Mockery\Mock
+     */
+    private $config;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\ServerRepositoryInterface|\Mockery\Mock
+     */
+    private $repository;
+
+    /**
+     * @var \Illuminate\Http\Request|\Mockery\Mock
+     */
+    private $request;
+
+    /**
+     * @var \Illuminate\Contracts\Session\Session|\Mockery\Mock
+     */
+    private $session;
+
+    /**
+     * Setup tests.
+     */
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->config = m::mock(Repository::class);
+        $this->repository = m::mock(ServerRepositoryInterface::class);
+        $this->request = m::mock(Request::class);
+        $this->request->attributes = new ParameterBag();
+        $this->session = m::mock(Session::class);
+    }
+
+    /**
+     * Test that an exception is thrown if the request is an API request and no server is found.
+     *
+     * @expectedException \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
+     * @expectedExceptionMessage The requested server was not found on the system.
+     */
+    public function testExceptionIsThrownIfNoServerIsFoundAndIsAPIRequest()
+    {
+        $this->request->shouldReceive('route->parameter')->with('server')->once()->andReturn('123456');
+        $this->request->shouldReceive('expectsJson')->withNoArgs()->once()->andReturn(true);
+
+        $this->repository->shouldReceive('getByUuid')->with('123456')->once()->andReturnNull();
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+    }
+
+    /**
+     * Test that an exception is thrown if the request is an API request and the server is suspended.
+     *
+     * @expectedException \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
+     * @expectedExceptionMessage Server is suspended.
+     */
+    public function testExceptionIsThrownIfServerIsSuspended()
+    {
+        $model = factory(Server::class)->make(['suspended' => 1]);
+
+        $this->request->shouldReceive('route->parameter')->with('server')->once()->andReturn('123456');
+        $this->request->shouldReceive('expectsJson')->withNoArgs()->once()->andReturn(true);
+
+        $this->repository->shouldReceive('getByUuid')->with('123456')->once()->andReturn($model);
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+    }
+
+    /**
+     * Test that an exception is thrown if the request is an API request and the server is not installed.
+     *
+     * @expectedException \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
+     * @expectedExceptionMessage Server is not marked as installed.
+     */
+    public function testExceptionIsThrownIfServerIsNotInstalled()
+    {
+        $model = factory(Server::class)->make(['installed' => 0]);
+
+        $this->request->shouldReceive('route->parameter')->with('server')->once()->andReturn('123456');
+        $this->request->shouldReceive('expectsJson')->withNoArgs()->once()->andReturn(true);
+
+        $this->repository->shouldReceive('getByUuid')->with('123456')->once()->andReturn($model);
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+    }
+
+    /**
+     * Test that the correct error pages are rendered depending on the status of the server.
+     *
+     * @dataProvider viewDataProvider
+     */
+    public function testCorrectErrorPagesAreRendered(Server $model = null, string $page, int $httpCode)
+    {
+        $this->request->shouldReceive('route->parameter')->with('server')->once()->andReturn('123456');
+        $this->request->shouldReceive('expectsJson')->withNoArgs()->once()->andReturn(false);
+        $this->config->shouldReceive('get')->with('pterodactyl.json_routes', [])->once()->andReturn([]);
+        $this->request->shouldReceive('is')->with(...[])->once()->andReturn(false);
+
+        $this->repository->shouldReceive('getByUuid')->with('123456')->once()->andReturn($model);
+
+        $response = $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        $this->assertInstanceOf(Response::class, $response);
+        $this->assertEquals($page, $response->getOriginalContent()->getName(), 'Assert that the correct view is returned.');
+        $this->assertEquals($httpCode, $response->getStatusCode(), 'Assert that the correct HTTP code is returned.');
+    }
+
+    /**
+     * Test that the full middleware works correctly.
+     */
+    public function testValidServerProcess()
+    {
+        $model = factory(Server::class)->make();
+
+        $this->request->shouldReceive('route->parameter')->with('server')->once()->andReturn('123456');
+        $this->request->shouldReceive('expectsJson')->withNoArgs()->once()->andReturn(false);
+        $this->config->shouldReceive('get')->with('pterodactyl.json_routes', [])->once()->andReturn([]);
+        $this->request->shouldReceive('is')->with(...[])->once()->andReturn(false);
+
+        $this->repository->shouldReceive('getByUuid')->with('123456')->once()->andReturn($model);
+        $this->session->shouldReceive('now')->with('server_data.model', $model)->once()->andReturnNull();
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        $this->assertTrue($this->request->attributes->has('server'), 'Assert request attributes contains server.');
+        $this->assertSame($model, $this->request->attributes->get('server'));
+    }
+
+    /**
+     * Provide test data that checks that the correct view is returned for each model type.
+     *
+     * @return array
+     */
+    public function viewDataProvider(): array
+    {
+        // Without this we are unable to instantiate the factory builders for some reason.
+        $this->refreshApplication();
+
+        return [
+            [null, 'errors.404', 404],
+            [factory(Server::class)->make(['suspended' => 1]), 'errors.suspended', 403],
+            [factory(Server::class)->make(['installed' => 0]), 'errors.installing', 403],
+            [factory(Server::class)->make(['installed' => 2]), 'errors.installing', 403],
+        ];
+    }
+
+    /**
+     * Return an instance of the middleware using mocked dependencies.
+     *
+     * @return \Pterodactyl\Http\Middleware\AccessingValidServer
+     */
+    private function getMiddleware(): AccessingValidServer
+    {
+        return new AccessingValidServer($this->config, $this->repository, $this->session);
+    }
+
+    /**
+     * Provide a closure to be used when validating that the response from the middleware
+     * is the same request object we passed into it.
+     */
+    private function getClosureAssertions(): Closure
+    {
+        return function ($response) {
+            $this->assertInstanceOf(Request::class, $response);
+            $this->assertSame($this->request, $response);
+        };
+    }
+}