diff --git a/README.md b/README.md
index 3b84403..77549c1 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,16 @@ m6web_cassandra:
             default_pagesize: 10000       # ~ to disable pagination
             contact_endpoints:            # required list of ip to contact
                 - 127.0.0.1
+            contact_whitelist:            # if specified cassandra will connect only to this datacenters/hosts
+                dc:
+                    - "testdc"
+                host:
+                    - 172.0.0.1
+            contact_blacklist:            # if specified cassandra will not connect to this datacenters/hosts
+                dc:
+                    - "blacklisted_testdc"
+                host:
+                    - 6.6.6.6
             port_endpoint: 9042           # cassandra port
             token_aware_routing: true     # Enable or disable token aware routing
             credentials:                  # cassandra authentication
diff --git a/src/Cassandra/Configurator.php b/src/Cassandra/Configurator.php
index a685d17..437d44c 100644
--- a/src/Cassandra/Configurator.php
+++ b/src/Cassandra/Configurator.php
@@ -50,6 +50,16 @@ public static function buildCluster(Client $client)
             $cluster->withDatacenterAwareRoundRobinLoadBalancingPolicy($dcOption['local_dc_name'], $dcOption['host_per_remote_dc'], $dcOption['remote_dc_for_local_consistency']);
         }
 
+        if($opt = $config['contact_whitelist']) {
+            !$opt['host'] ?: $cluster->withWhiteListHosts(implode(', ', $opt['host']));
+            !$opt['dc'] ?: $cluster->withWhiteListDCs(implode(', ', $opt['dc']));
+        }
+
+        if($opt = $config['contact_blacklist']) {
+            !$opt['host'] ?: $cluster->withBlackListHosts(implode(', ', $opt['host']));
+            !$opt['dc'] ?: $cluster->withBlackListDCs(implode(', ', $opt['dc']));
+        }
+
         if (array_key_exists('credentials', $config)) {
             $cluster->withCredentials($config['credentials']['username'], $config['credentials']['password']);
         }
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 0fa8a29..202150e 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -70,6 +70,20 @@ public function getConfigTreeBuilder()
                             ->arrayNode('contact_endpoints')->isRequired()->requiresAtLeastOneElement()->performNoDeepMerging()
                                 ->prototype('scalar')->end()
                             ->end()
+                            ->arrayNode('contact_whitelist')
+                                ->addDefaultsIfNotSet()
+                                ->children()
+                                    ->arrayNode('dc')->defaultValue([])->prototype('scalar')->end()->end()
+                                    ->arrayNode('host')->defaultValue([])->prototype('scalar')->end()->end()
+                                ->end()
+                            ->end()
+                            ->arrayNode('contact_blacklist')
+                                ->addDefaultsIfNotSet()
+                                ->children()
+                                    ->arrayNode('dc')->defaultValue([])->prototype('scalar')->end()->end()
+                                    ->arrayNode('host')->defaultValue([])->prototype('scalar')->end()->end()
+                                ->end()
+                            ->end()
                             ->integerNode('port_endpoint')->defaultValue(9042)->end()
                             ->booleanNode('token_aware_routing')->defaultValue(true)->end()
                             ->arrayNode('credentials')
diff --git a/src/Tests/Fixtures/override-config.yml b/src/Tests/Fixtures/override-config.yml
index 0f19c8a..f877878 100644
--- a/src/Tests/Fixtures/override-config.yml
+++ b/src/Tests/Fixtures/override-config.yml
@@ -15,6 +15,16 @@ m6web_cassandra:
         - '127.0.0.1'
         - '127.0.0.2'
         - '127.0.0.3'
+      contact_whitelist:
+        dc:
+          - "testdc"
+        host:
+          - 172.0.0.1
+      contact_blacklist:
+        dc:
+          - "blacklisted_testdc"
+        host:
+          - 6.6.6.6
       port_endpoint: 8906
       token_aware_routing : false
       credentials:
diff --git a/src/Tests/Units/DependencyInjection/M6WebCassandraExtension.php b/src/Tests/Units/DependencyInjection/M6WebCassandraExtension.php
index 19cd50d..f8f8ecb 100644
--- a/src/Tests/Units/DependencyInjection/M6WebCassandraExtension.php
+++ b/src/Tests/Units/DependencyInjection/M6WebCassandraExtension.php
@@ -28,7 +28,7 @@ public function testDefaultConfig()
             ->boolean($container->has('m6web_cassandra.client.client_test'))
                 ->isTrue()
             ->array($arguments = $container->getDefinition('m6web_cassandra.client.client_test')->getArgument(0))
-                ->hasSize(12)
+                ->hasSize(14)
                 ->hasKeys($this->getDefaultConfigKeys())
                 ->notHasKeys(['default_timeout'])
             ->boolean($arguments['dispatch_events'])
@@ -45,6 +45,18 @@ public function testDefaultConfig()
                     ->isEqualTo('127.0.0.2')
                 ->string($endpoints[2])
                     ->isEqualTo('127.0.0.3')
+            ->array($list = $arguments['contact_whitelist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
+            ->array($list = $arguments['contact_blacklist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
             ->string($arguments['load_balancing'])
                 ->isEqualTo('round-robin')
             ->string($arguments['default_consistency'])
@@ -83,7 +95,7 @@ public function testShouldGetADefaultNullKeyspaceWhenNoKeyspaceGiven()
             ->boolean($container->has('m6web_cassandra.client.client_test'))
                 ->isTrue()
             ->array($arguments = $container->getDefinition('m6web_cassandra.client.client_test')->getArgument(0))
-                ->hasSize(12)
+                ->hasSize(14)
                 ->hasKeys($this->getDefaultConfigKeys())
                 ->notHasKeys(['default_timeout'])
             ->variable($arguments['keyspace'])
@@ -103,7 +115,7 @@ public function testOverrideConfig()
             ->boolean($container->has('m6web_cassandra.client.client_test'))
                 ->isTrue()
             ->array($arguments = $container->getDefinition('m6web_cassandra.client.client_test')->getArgument(0))
-                ->hasSize(15)
+                ->hasSize(17)
                 ->hasKeys($this->getDefaultConfigKeys(['credentials', 'default_timeout', 'dc_options']))
             ->boolean($arguments['dispatch_events'])
                 ->isFalse()
@@ -119,6 +131,26 @@ public function testOverrideConfig()
                     ->isEqualTo('127.0.0.2')
                 ->string($endpoints[2])
                     ->isEqualTo('127.0.0.3')
+            ->array($list = $arguments['contact_whitelist'])
+                ->hasSize(2)
+                ->array($dc = $list['dc'])
+                    ->hasSize(1)
+                    ->string($dc[0])
+                        ->isEqualTo('testdc')
+                ->array($host = $list['host'])
+                    ->hasSize(1)
+                    ->string($host[0])
+                        ->isEqualTo('172.0.0.1')
+            ->array($list = $arguments['contact_blacklist'])
+                ->hasSize(2)
+                ->array($dc = $list['dc'])
+                    ->hasSize(1)
+                    ->string($dc[0])
+                        ->isEqualTo('blacklisted_testdc')
+                ->array($host = $list['host'])
+                    ->hasSize(1)
+                    ->string($host[0])
+                        ->isEqualTo('6.6.6.6')
             ->string($arguments['load_balancing'])
                 ->isEqualTo('dc-aware-round-robin')
             ->array($dcOptions = $arguments['dc_options'])
@@ -183,6 +215,18 @@ public function testOverrideDefaultEndPointsConfig()
                     ->isEqualTo('127.0.0.5')
                 ->string($endpoints[2])
                     ->isEqualTo('127.0.0.6')
+            ->array($list = $arguments['contact_whitelist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
+            ->array($list = $arguments['contact_blacklist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
             ->variable($arguments['default_pagesize'])
                 ->isNull()
         ;
@@ -200,7 +244,7 @@ public function testMulticlientsConfig()
             ->boolean($container->has('m6web_cassandra.client.client_test'))
                 ->isTrue()
             ->array($arguments = $container->getDefinition('m6web_cassandra.client.client_test')->getArgument(0))
-                ->hasSize(12)
+                ->hasSize(14)
                 ->hasKeys($this->getDefaultConfigKeys())
             ->boolean($arguments['dispatch_events'])
                 ->isTrue()
@@ -214,10 +258,22 @@ public function testMulticlientsConfig()
                     ->isEqualTo('127.0.0.2')
                 ->string($endpoints[2])
                     ->isEqualTo('127.0.0.3')
+            ->array($list = $arguments['contact_whitelist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
+            ->array($list = $arguments['contact_blacklist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
             ->boolean($container->has('m6web_cassandra.client.client_test2'))
                 ->isTrue()
             ->array($arguments2 = $container->getDefinition('m6web_cassandra.client.client_test2')->getArgument(0))
-                ->hasSize(14)
+                ->hasSize(16)
                 ->hasKeys($this->getDefaultConfigKeys(['credentials', 'dc_options']))
             ->boolean($arguments['dispatch_events'])
                 ->isTrue()
@@ -229,6 +285,18 @@ public function testMulticlientsConfig()
                     ->isEqualTo('127.0.0.4')
                 ->string($endpoints2[1])
                     ->isEqualTo('127.0.0.5')
+            ->array($list = $arguments['contact_whitelist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
+            ->array($list = $arguments['contact_blacklist'])
+                ->hasSize(2)
+                ->array($list['dc'])
+                    ->hasSize(0)
+                ->array($list['host'])
+                    ->hasSize(0)
             ->array($credentials = $arguments2['credentials'])
                 ->hasSize(2)
                 ->hasKeys(['username', 'password'])