diff --git a/core/core.services.yml b/core/core.services.yml
index 6e91dfe..8585a9a 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -7,7 +7,20 @@ parameters:
     default: keyvalue.database
   factory.keyvalue.expirable:
     default: keyvalue.expirable.database
-  filter_protocols: {}
+  filter_protocols:
+    - http
+    - https
+    - ftp
+    - news
+    - nntp
+    - tel
+    - telnet
+    - mailto
+    - irc
+    - ssh
+    - sftp
+    - webcal
+    - rtsp
 services:
   # Simple cache contexts, directly derived from the request context.
   cache_context.ip:
diff --git a/core/lib/Drupal/Core/Routing/UrlGenerator.php b/core/lib/Drupal/Core/Routing/UrlGenerator.php
index 9158dbe..b1d8f3e 100644
--- a/core/lib/Drupal/Core/Routing/UrlGenerator.php
+++ b/core/lib/Drupal/Core/Routing/UrlGenerator.php
@@ -77,13 +77,13 @@ class UrlGenerator implements UrlGeneratorInterface {
    * @param string[] $filter_protocols
    *   An array of protocols allowed for url generation.
    */
-  public function __construct(RouteProviderInterface $provider, OutboundPathProcessorInterface $path_processor, OutboundRouteProcessorInterface $route_processor, RequestStack $request_stack, $filter_protocols = ['http', 'https']) {
+  public function __construct(RouteProviderInterface $provider, OutboundPathProcessorInterface $path_processor, OutboundRouteProcessorInterface $route_processor, RequestStack $request_stack, $filter_protocols) {
     $this->provider = $provider;
     $this->context = new RequestContext();
 
     $this->pathProcessor = $path_processor;
     $this->routeProcessor = $route_processor;
-    UrlHelper::setAllowedProtocols($filter_protocols);
+    UrlHelper::setAllowedProtocols($filter_protocols ?: ['http', 'https']);
     $this->requestStack = $request_stack;
   }
 
diff --git a/core/lib/Drupal/Core/Utility/UnroutedUrlAssembler.php b/core/lib/Drupal/Core/Utility/UnroutedUrlAssembler.php
index e257169..788735a 100644
--- a/core/lib/Drupal/Core/Utility/UnroutedUrlAssembler.php
+++ b/core/lib/Drupal/Core/Utility/UnroutedUrlAssembler.php
@@ -45,8 +45,8 @@ class UnroutedUrlAssembler implements UnroutedUrlAssemblerInterface {
    * @param string[] $filter_protocols
    *   An array of protocols allowed for url generation.
    */
-  public function __construct(RequestStack $request_stack, OutboundPathProcessorInterface $path_processor, $filter_protocols = ['http', 'https']) {
-    UrlHelper::setAllowedProtocols($filter_protocols);
+  public function __construct(RequestStack $request_stack, OutboundPathProcessorInterface $path_processor, $filter_protocols = []) {
+    UrlHelper::setAllowedProtocols($filter_protocols ?: ['http', 'https']);
     $this->requestStack = $request_stack;
     $this->pathProcessor = $path_processor;
   }
diff --git a/core/modules/filter/filter.module b/core/modules/filter/filter.module
index cd23207..468eb20 100644
--- a/core/modules/filter/filter.module
+++ b/core/modules/filter/filter.module
@@ -501,7 +501,7 @@ function _filter_url($text, $filter) {
   // we cannot cleanly differ between protocols here without hard-coding MAILTO,
   // so '//' is optional for all protocols.
   // @see \Drupal\Component\Utility\UrlHelper::filterBadProtocol()
-  $protocols = \Drupal::getContainer()->getParameter('filter_protocols');
+  $protocols = \Drupal::getContainer()->getParameter('filter_protocols') ?: ['http', 'https'];
   $protocols = implode(':(?://)?|', $protocols) . ':(?://)?';
 
   $valid_url_path_characters = "[\p{L}\p{M}\p{N}!\*\';:=\+,\.\$\/%#\[\]\-_~@&]";
diff --git a/core/modules/filter/src/Tests/FilterUnitTest.php b/core/modules/filter/src/Tests/FilterUnitTest.php
index 8e6c5db..313643f 100644
--- a/core/modules/filter/src/Tests/FilterUnitTest.php
+++ b/core/modules/filter/src/Tests/FilterUnitTest.php
@@ -593,7 +593,7 @@ function testUrlFilter() {
       ),
       // Absolute URL protocols.
       // The list to test is found in the beginning of _filter_url() at
-      // $protocols = $this->config('system.filter')->get('protocols').
+      // $protocols = \Drupal::getContainer()->getParameter('filter_protocols').
       '
 https://example.com,
 ftp://ftp.example.com,
diff --git a/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php b/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
index 11b6eb8..4134662 100644
--- a/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
+++ b/core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
@@ -168,16 +168,8 @@ protected function setUp() {
    * Sets up the unrouted url assembler and the link generator.
    */
   protected function setUpUrlIntegrationServices() {
-    $config = $this->getMockBuilder('Drupal\Core\Config\ImmutableConfig')
-      ->disableOriginalConstructor()
-      ->getMock();
-    $config_factory = $this->getMock('\Drupal\Core\Config\ConfigFactoryInterface');
-    $config_factory->expects($this->any())
-      ->method('get')
-      ->willReturn($config);
-
     $this->pathProcessor = $this->getMock('Drupal\Core\PathProcessor\OutboundPathProcessorInterface');
-    $this->unroutedUrlAssembler = new UnroutedUrlAssembler($this->requestStack, $config_factory, $this->pathProcessor);
+    $this->unroutedUrlAssembler = new UnroutedUrlAssembler($this->requestStack, $this->pathProcessor);
 
     \Drupal::getContainer()->set('unrouted_url_assembler', $this->unroutedUrlAssembler);