diff --git a/CHANGELOG.md b/CHANGELOG.md
index c580190f..60a552f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 * Fix call to undefined method pushProcessor on handler that does not implement ProcessableHandlerInterface
 * Use "use_locking" option with rotating file handler
 * Add ability to specify custom Sentry hub service
+* Add ability to specify RFC for SyslogUdpHandler
 
 ## 3.6.0 (2020-10-06)
 
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 86c9f870..cb29ecda 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -16,6 +16,7 @@
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
 use Monolog\Logger;
+use Monolog\Handler\SyslogUdpHandler;
 
 /**
  * This class contains the configuration information for the bundle
@@ -162,6 +163,7 @@
  *   - [level]: level name or int value, defaults to DEBUG
  *   - [bubble]: bool, defaults to true
  *   - [ident]: string, defaults to
+ *   - [rfc]: SyslogUdpHandler::RFC3164 (0), SyslogUdpHandler::RFC5424 (1) or 2 (for SyslogUdpHandler::RFC5424e, monolog 1 does not support it) defaults to SyslogUdpHandler::RFC5424
  *
  * - swift_mailer:
  *   - from_email: optional if email_prototype is given
@@ -408,7 +410,7 @@ public function getConfigTreeBuilder()
                             ->booleanNode('use_locking')->defaultFalse()->end() // stream and rotating
                             ->scalarNode('filename_format')->defaultValue('{filename}-{date}')->end() //rotating
                             ->scalarNode('date_format')->defaultValue('Y-m-d')->end() //rotating
-                            ->scalarNode('ident')->defaultFalse()->end() // syslog and syslogudp
+                            ->scalarNode('ident')->defaultValue('php')->end() // syslog and syslogudp
                             ->scalarNode('logopts')->defaultValue(LOG_PID)->end() // syslog
                             ->scalarNode('facility')->defaultValue('user')->end() // syslog
                             ->scalarNode('max_files')->defaultValue(0)->end() // rotating
@@ -494,6 +496,7 @@ public function getConfigTreeBuilder()
                             ->scalarNode('title')->defaultNull()->end() // pushover
                             ->scalarNode('host')->defaultNull()->end() // syslogudp & hipchat
                             ->scalarNode('port')->defaultValue(514)->end() // syslogudp
+                            ->scalarNode('rfc')->defaultValue(SyslogUdpHandler::RFC5424)->end() // syslogudp
                             ->arrayNode('publisher')
                                 ->canBeUnset()
                                 ->beforeNormalization()
diff --git a/DependencyInjection/MonologExtension.php b/DependencyInjection/MonologExtension.php
index d927ab01..b343b8ce 100644
--- a/DependencyInjection/MonologExtension.php
+++ b/DependencyInjection/MonologExtension.php
@@ -519,9 +519,18 @@ private function buildHandler(ContainerBuilder $container, $name, array $handler
                 $handler['level'],
                 $handler['bubble'],
             ]);
+
             if ($handler['ident']) {
                 $definition->addArgument($handler['ident']);
+            } else {
+                $handler['ident'] = 'php';
+                $definition->addArgument($handler['ident']);
             }
+
+            if (isset($handler['rfc'])) {
+                $definition->addArgument($handler['rfc']);
+            }
+
             break;
 
         case 'swift_mailer':
diff --git a/Resources/config/schema/monolog-1.0.xsd b/Resources/config/schema/monolog-1.0.xsd
index eb00e68a..8ff4d756 100644
--- a/Resources/config/schema/monolog-1.0.xsd
+++ b/Resources/config/schema/monolog-1.0.xsd
@@ -45,6 +45,7 @@
         <xsd:attribute name="host" type="xsd:string" />
         <xsd:attribute name="source" type="xsd:string" />
         <xsd:attribute name="port" type="xsd:integer" />
+        <xsd:attribute name="rfc" type="xsd:integer" />
         <xsd:attribute name="action-level" type="level" />
         <xsd:attribute name="passthru-level" type="level" />
         <xsd:attribute name="min-level" type="level" />
diff --git a/Tests/DependencyInjection/ConfigurationTest.php b/Tests/DependencyInjection/ConfigurationTest.php
index 7548af94..a68d1b5a 100644
--- a/Tests/DependencyInjection/ConfigurationTest.php
+++ b/Tests/DependencyInjection/ConfigurationTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bundle\MonologBundle\Tests\DependencyInjection;
 
+use Monolog\Handler\SyslogUdpHandler;
 use Monolog\Logger;
 use PHPUnit\Framework\TestCase;
 use Symfony\Bundle\MonologBundle\DependencyInjection\Configuration;
@@ -407,6 +408,54 @@ public function testWithRedisHandler()
         $this->assertEquals('monolog_redis_test', $config['handlers']['redis']['redis']['key_name']);
     }
 
+    public function testWithSyslogUdpHandler()
+    {
+        $configs = [
+            [
+                'handlers' => [
+                    'syslogudp' => [
+                        'type' => 'syslogudp',
+                        'host' => '127.0.0.1',
+                        'port' => 514,
+                        'facility' => 'USER',
+                        'level' => 'ERROR',
+                        'ident' => null,
+                        'rfc' => SyslogUdpHandler::RFC3164
+                    ]
+                ]
+            ]
+        ];
+
+        $config = $this->process($configs);
+
+        $this->assertEquals('syslogudp', $config['handlers']['syslogudp']['type']);
+        $this->assertEquals('127.0.0.1', $config['handlers']['syslogudp']['host']);
+        $this->assertEquals(514, $config['handlers']['syslogudp']['port']);
+        $this->assertEquals(0, $config['handlers']['syslogudp']['rfc']);
+
+        $configs = [
+            [
+                'handlers' => [
+                    'syslogudp' => [
+                        'type' => 'syslogudp',
+                        'host' => '127.0.0.1',
+                        'port' => 514,
+                        'facility' => 'USER',
+                        'ident' => false,
+                        'level' => 'ERROR'
+                    ]
+                ]
+            ]
+        ];
+
+        $config = $this->process($configs);
+
+        $this->assertEquals('syslogudp', $config['handlers']['syslogudp']['type']);
+        $this->assertEquals('127.0.0.1', $config['handlers']['syslogudp']['host']);
+        $this->assertEquals(514, $config['handlers']['syslogudp']['port']);
+        $this->assertEquals(1, $config['handlers']['syslogudp']['rfc']);
+    }
+
     /**
      * @group legacy
      */
diff --git a/Tests/DependencyInjection/MonologExtensionTest.php b/Tests/DependencyInjection/MonologExtensionTest.php
index 573523da..309700d6 100644
--- a/Tests/DependencyInjection/MonologExtensionTest.php
+++ b/Tests/DependencyInjection/MonologExtensionTest.php
@@ -14,6 +14,7 @@
 use InvalidArgumentException;
 use Monolog\Handler\FingersCrossed\ErrorLevelActivationStrategy;
 use Monolog\Handler\RollbarHandler;
+use Monolog\Handler\SyslogUdpHandler;
 use Monolog\Logger;
 use Monolog\Processor\UidProcessor;
 use Symfony\Bridge\Monolog\Processor\SwitchUserTokenProcessor;
@@ -225,7 +226,32 @@ public function testSyslogHandlerWithLogopts()
 
         $handler = $container->getDefinition('monolog.handler.main');
         $this->assertDICDefinitionClass($handler, 'Monolog\Handler\SyslogHandler');
-        $this->assertDICConstructorArguments($handler, [false, 'user', \Monolog\Logger::DEBUG, true, LOG_CONS]);
+        $this->assertDICConstructorArguments($handler, ['php', 'user', \Monolog\Logger::DEBUG, true, LOG_CONS]);
+    }
+
+    public function testSyslogHandlerForEmptyIdent()
+    {
+        $container = $this->getContainer(
+            [
+                [
+                    'handlers' => [
+                        'syslogudp' => [
+                            'type' => 'syslogudp',
+                            'host' => '127.0.0.1',
+                            'port' => 514,
+                            'facility' => 'USER',
+                            'level' => 'ERROR',
+                            'ident' => null,
+                            'rfc' => SyslogUdpHandler::RFC5424,
+                        ]
+                    ]
+                ]
+            ]
+        );
+
+        $expectedArguments = ['127.0.0.1', 514, 'USER', true, 400, 'php', 1];
+        $definition = $container->getDefinition('monolog.handler.syslogudp');
+        $this->assertDICConstructorArguments($definition, $expectedArguments);
     }
 
     public function testRollbarHandlerCreatesNotifier()