diff --git a/.gitignore b/.gitignore
index ee2aa19..8139bef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ provider.tf
 # macOS related files
 **/.DS_Store
 .terraform.lock.hcl
+**/.idea/*
\ No newline at end of file
diff --git a/modules/subnet/data.tf b/modules/subnet/data.tf
new file mode 100644
index 0000000..7c75d6a
--- /dev/null
+++ b/modules/subnet/data.tf
@@ -0,0 +1,3 @@
+data "oci_core_vcn" "vcn_this" {
+  vcn_id = var.vcn_id
+}
\ No newline at end of file
diff --git a/modules/subnet/subnet.tf b/modules/subnet/subnet.tf
index 1207163..bc64f7d 100644
--- a/modules/subnet/subnet.tf
+++ b/modules/subnet/subnet.tf
@@ -23,11 +23,10 @@ resource "oci_core_subnet" "vcn_subnet" {
   #prohibit_internet_ingress  = var.enable_ipv6 && lookup(each.value,"type","public") == "public" ? each.value.prohibit_internet_ingress : false
   prohibit_public_ip_on_vnic = lookup(each.value, "type", "public") == "public" ? false : true
   route_table_id             = lookup(each.value, "type", "public") == "public" ? var.ig_route_id : var.nat_route_id
-  security_list_ids          = null
+  security_list_ids          = lookup(each.value, "security_list_ids", null)
 }
 
 data "oci_core_dhcp_options" "dhcp_options" {
-
   compartment_id = var.compartment_id
   vcn_id         = var.vcn_id
 }
diff --git a/terraform.tfvars.example b/terraform.tfvars.example
index d4ebd17..fc04cce 100644
--- a/terraform.tfvars.example
+++ b/terraform.tfvars.example
@@ -102,4 +102,5 @@ attached_drg_id = null
 #subnets = {
 #  sub1 = {name = "subnet1",cidr_block = "10.0.4.0/24"}
 #  sub2 = {cidr_block="10.0.5.0/24",type="private"}
+#  sub3 = {cidr_block="10.0.6.0/24",type="private", security_list_ids=["ocid1.securitylist.oc1.eu-frankfurt-1.aaaa","ocid1.securitylist.oc1.eu-frankfurt-1.bbbb"]}
 #}
\ No newline at end of file