diff --git a/vm_supervisor/conf.py b/vm_supervisor/conf.py
index bfa76e230..4f54dff90 100644
--- a/vm_supervisor/conf.py
+++ b/vm_supervisor/conf.py
@@ -308,9 +308,6 @@ def setup(self):
         os.makedirs(self.EXECUTION_LOG_DIRECTORY, exist_ok=True)
         os.makedirs(self.PERSISTENT_VOLUMES_DIR, exist_ok=True)
 
-        if not self.NETWORK_INTERFACE:
-            self.NETWORK_INTERFACE = get_default_interface()
-
         if self.DNS_NAMESERVERS is None and self.DNS_RESOLUTION:
             self.DNS_NAMESERVERS = obtain_dns_ips(
                 dns_resolver=self.DNS_RESOLUTION,
@@ -334,6 +331,28 @@ def display(self) -> str:
             f"{attribute:<27} = {value}" for attribute, value in attributes.items()
         )
 
+    def filter_dns_servers(self, ipv4_only: bool) -> Optional[List[str]]:
+        """
+        Filter Dns (ipv4 + ipv6 or only ipv4)
+
+        Parameter:
+            ipv4_only (bool)
+        Return:
+            Optional[List[str]]: list of dns filtered
+
+        """
+        dns_servers = self.DNS_NAMESERVERS
+        if not dns_servers:
+            raise ValueError("Invalid configuration: DNS nameservers missing")
+
+        # Apply DNS IPv6 here if user configurations allow it
+        dns_servers = [
+            server
+            for server in dns_servers
+            if not ipaddress.ip_address(server).version == 6 or ipv4_only
+        ]
+        return dns_servers
+
     class Config:
         env_prefix = "ALEPH_VM_"
         case_sensitive = False
diff --git a/vm_supervisor/vm/firecracker/program.py b/vm_supervisor/vm/firecracker/program.py
index 407a1dcc6..28761e37c 100644
--- a/vm_supervisor/vm/firecracker/program.py
+++ b/vm_supervisor/vm/firecracker/program.py
@@ -2,6 +2,7 @@
 
 import asyncio
 import dataclasses
+import ipaddress
 import logging
 import os.path
 from asyncio import StreamReader, StreamWriter
@@ -377,8 +378,7 @@ async def _setup_configuration(
         ipv6 = self.get_vm_ipv6()
         ipv6_gateway = self.get_vm_ipv6_gateway()
 
-        if not settings.DNS_NAMESERVERS:
-            raise ValueError("Invalid configuration: DNS nameservers missing")
+        dns_servers = settings.filter_dns_servers(ipv4_only=False) # True to Disable Ipv6 Dns
 
         runtime_config = self.fvm.runtime_config
         assert runtime_config
@@ -394,7 +394,7 @@ async def _setup_configuration(
             ipv6=ipv6,
             route=route,
             ipv6_gateway=ipv6_gateway,
-            dns_servers=settings.DNS_NAMESERVERS,
+            dns_servers=dns_servers,
             code=code,
             encoding=self.resources.code_encoding,
             entrypoint=self.resources.code_entrypoint,