diff --git a/src/Symfony/Bridge/Monolog/CHANGELOG.md b/src/Symfony/Bridge/Monolog/CHANGELOG.md
index e2439304faec0..9deec49664ae3 100644
--- a/src/Symfony/Bridge/Monolog/CHANGELOG.md
+++ b/src/Symfony/Bridge/Monolog/CHANGELOG.md
@@ -6,6 +6,7 @@ CHANGELOG
 
 * The `RouteProcessor` class has been made final
 * Added `ElasticsearchLogstashHandler`
+* Added the `ServerLogCommand`. Backport from the deprecated WebServerBundle
 
 4.3.0
 -----
diff --git a/src/Symfony/Bridge/Monolog/Command/ServerLogCommand.php b/src/Symfony/Bridge/Monolog/Command/ServerLogCommand.php
new file mode 100644
index 0000000000000..60e7341db9e2c
--- /dev/null
+++ b/src/Symfony/Bridge/Monolog/Command/ServerLogCommand.php
@@ -0,0 +1,159 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Monolog\Command;
+
+use Monolog\Formatter\FormatterInterface;
+use Monolog\Logger;
+use Symfony\Bridge\Monolog\Formatter\ConsoleFormatter;
+use Symfony\Bridge\Monolog\Handler\ConsoleHandler;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Exception\LogicException;
+use Symfony\Component\Console\Exception\RuntimeException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+
+/**
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ */
+class ServerLogCommand extends Command
+{
+    private static $bgColor = ['black', 'blue', 'cyan', 'green', 'magenta', 'red', 'white', 'yellow'];
+
+    private $el;
+    private $handler;
+
+    protected static $defaultName = 'server:log';
+
+    public function isEnabled()
+    {
+        if (!class_exists(ConsoleFormatter::class)) {
+            return false;
+        }
+
+        // based on a symfony/symfony package, it crashes due a missing FormatterInterface from monolog/monolog
+        if (!interface_exists(FormatterInterface::class)) {
+            return false;
+        }
+
+        return parent::isEnabled();
+    }
+
+    protected function configure()
+    {
+        if (!class_exists(ConsoleFormatter::class)) {
+            return;
+        }
+
+        $this
+            ->addOption('host', null, InputOption::VALUE_REQUIRED, 'The server host', '0.0.0.0:9911')
+            ->addOption('format', null, InputOption::VALUE_REQUIRED, 'The line format', ConsoleFormatter::SIMPLE_FORMAT)
+            ->addOption('date-format', null, InputOption::VALUE_REQUIRED, 'The date format', ConsoleFormatter::SIMPLE_DATE)
+            ->addOption('filter', null, InputOption::VALUE_REQUIRED, 'An expression to filter log. Example: "level > 200 or channel in [\'app\', \'doctrine\']"')
+            ->setDescription('Starts a log server that displays logs in real time')
+            ->setHelp(<<<'EOF'
+<info>%command.name%</info> starts a log server to display in real time the log
+messages generated by your application:
+
+  <info>php %command.full_name%</info>
+
+To get the information as a machine readable format, use the
+<comment>--filter</> option:
+
+<info>php %command.full_name% --filter=port</info>
+EOF
+            )
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $filter = $input->getOption('filter');
+        if ($filter) {
+            if (!class_exists(ExpressionLanguage::class)) {
+                throw new LogicException('Package "symfony/expression-language" is required to use the "filter" option.');
+            }
+            $this->el = new ExpressionLanguage();
+        }
+
+        $this->handler = new ConsoleHandler($output, true, [
+            OutputInterface::VERBOSITY_NORMAL => Logger::DEBUG,
+        ]);
+
+        $this->handler->setFormatter(new ConsoleFormatter([
+            'format' => str_replace('\n', "\n", $input->getOption('format')),
+            'date_format' => $input->getOption('date-format'),
+            'colors' => $output->isDecorated(),
+            'multiline' => OutputInterface::VERBOSITY_DEBUG <= $output->getVerbosity(),
+        ]));
+
+        if (false === strpos($host = $input->getOption('host'), '://')) {
+            $host = 'tcp://'.$host;
+        }
+
+        if (!$socket = stream_socket_server($host, $errno, $errstr)) {
+            throw new RuntimeException(sprintf('Server start failed on "%s": %s %s.', $host, $errstr, $errno));
+        }
+
+        foreach ($this->getLogs($socket) as $clientId => $message) {
+            $record = unserialize(base64_decode($message));
+
+            // Impossible to decode the message, give up.
+            if (false === $record) {
+                continue;
+            }
+
+            if ($filter && !$this->el->evaluate($filter, $record)) {
+                continue;
+            }
+
+            $this->displayLog($output, $clientId, $record);
+        }
+
+        return 0;
+    }
+
+    private function getLogs($socket): iterable
+    {
+        $sockets = [(int) $socket => $socket];
+        $write = [];
+
+        while (true) {
+            $read = $sockets;
+            stream_select($read, $write, $write, null);
+
+            foreach ($read as $stream) {
+                if ($socket === $stream) {
+                    $stream = stream_socket_accept($socket);
+                    $sockets[(int) $stream] = $stream;
+                } elseif (feof($stream)) {
+                    unset($sockets[(int) $stream]);
+                    fclose($stream);
+                } else {
+                    yield (int) $stream => fgets($stream);
+                }
+            }
+        }
+    }
+
+    private function displayLog(OutputInterface $output, int $clientId, array $record)
+    {
+        if (isset($record['log_id'])) {
+            $clientId = unpack('H*', $record['log_id'])[1];
+        }
+        $logBlock = sprintf('<bg=%s> </>', self::$bgColor[$clientId % 8]);
+        $output->write($logBlock);
+
+        $this->handler->handle($record);
+    }
+}
diff --git a/src/Symfony/Bundle/DebugBundle/DebugBundle.php b/src/Symfony/Bundle/DebugBundle/DebugBundle.php
index 04fd507612747..fd7d8e72d6a4c 100644
--- a/src/Symfony/Bundle/DebugBundle/DebugBundle.php
+++ b/src/Symfony/Bundle/DebugBundle/DebugBundle.php
@@ -12,6 +12,7 @@
 namespace Symfony\Bundle\DebugBundle;
 
 use Symfony\Bundle\DebugBundle\DependencyInjection\Compiler\DumpDataCollectorPass;
+use Symfony\Bundle\DebugBundle\DependencyInjection\Compiler\RemoveWebServerBundleLoggerPass;
 use Symfony\Component\Console\Application;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
@@ -52,6 +53,7 @@ public function build(ContainerBuilder $container)
         parent::build($container);
 
         $container->addCompilerPass(new DumpDataCollectorPass());
+        $container->addCompilerPass(new RemoveWebServerBundleLoggerPass());
     }
 
     public function registerCommands(Application $application)
diff --git a/src/Symfony/Bundle/DebugBundle/DependencyInjection/Compiler/RemoveWebServerBundleLoggerPass.php b/src/Symfony/Bundle/DebugBundle/DependencyInjection/Compiler/RemoveWebServerBundleLoggerPass.php
new file mode 100644
index 0000000000000..aca150c816101
--- /dev/null
+++ b/src/Symfony/Bundle/DebugBundle/DependencyInjection/Compiler/RemoveWebServerBundleLoggerPass.php
@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\DebugBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * @author Jérémy Derussé <jeremy@derusse.com>
+ */
+class RemoveWebServerBundleLoggerPass implements CompilerPassInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function process(ContainerBuilder $container)
+    {
+        if ($container->hasDefinition('web_server.command.server_log') && $container->hasDefinition('monolog.command.server_log')) {
+            $container->removeDefinition('web_server.command.server_log');
+        }
+    }
+}
diff --git a/src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php b/src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php
index 8309db19ecd7c..2528cce5b83a7 100644
--- a/src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php
+++ b/src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bundle\DebugBundle\DependencyInjection;
 
+use Symfony\Bridge\Monolog\Command\ServerLogCommand;
 use Symfony\Bundle\DebugBundle\Command\ServerDumpPlaceholderCommand;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -90,6 +91,10 @@ public function load(array $configs, ContainerBuilder $container)
                 ]])
             ;
         }
+
+        if (!class_exists(ServerLogCommand::class)) {
+            $container->removeDefinition('monolog.command.server_log');
+        }
     }
 
     /**
diff --git a/src/Symfony/Bundle/DebugBundle/Resources/config/services.xml b/src/Symfony/Bundle/DebugBundle/Resources/config/services.xml
index 49772b46962f7..c7cc5725cf8f8 100644
--- a/src/Symfony/Bundle/DebugBundle/Resources/config/services.xml
+++ b/src/Symfony/Bundle/DebugBundle/Resources/config/services.xml
@@ -107,5 +107,9 @@
             </argument>
             <tag name="console.command" command="server:dump" />
         </service>
+
+        <service id="monolog.command.server_log" class="Symfony\Bridge\Monolog\Command\ServerLogCommand">
+            <tag name="console.command" command="server:log" />
+        </service>
     </services>
 </container>
diff --git a/src/Symfony/Bundle/WebServerBundle/Command/ServerLogCommand.php b/src/Symfony/Bundle/WebServerBundle/Command/ServerLogCommand.php
index f38fd6fa58ee6..1eb1916a3f129 100644
--- a/src/Symfony/Bundle/WebServerBundle/Command/ServerLogCommand.php
+++ b/src/Symfony/Bundle/WebServerBundle/Command/ServerLogCommand.php
@@ -26,7 +26,7 @@
 /**
  * @author Grégoire Pineau <lyrixx@lyrixx.info>
  *
- * @deprecated since Symfony 4.4, to be removed in 5.0; the new Symfony local server has more features, you can use it instead.
+ * @deprecated since Symfony 4.4, to be removed in 5.0; use ServerLogCommand from symfony/monolog-bridge instead
  */
 class ServerLogCommand extends Command
 {
@@ -80,7 +80,7 @@ protected function configure()
 
     protected function execute(InputInterface $input, OutputInterface $output)
     {
-        @trigger_error('Using the WebserverBundle is deprecated since Symfony 4.4. The new Symfony local server has more features, you can use it instead.', E_USER_DEPRECATED);
+        @trigger_error('Using the WebserverBundle is deprecated since Symfony 4.4. Use the DebugBundle combined with MonologBridge instead.', E_USER_DEPRECATED);
 
         $filter = $input->getOption('filter');
         if ($filter) {

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