diff --git a/nacl-rules/main.tf b/nacl-rules/main.tf
index aec27f5..aad6f03 100644
--- a/nacl-rules/main.tf
+++ b/nacl-rules/main.tf
@@ -70,9 +70,9 @@ locals {
 
   cidr_blocks = flatten([for c in var.named_cidr_blocks : lookup(local.cb3, c, [])])
 
-  rules            = ["http_inbound", "https_inbound", "all_inbound"]
-  rule_definitions = local._defaults["nacl_all_rules"]
-  rule_number      = 1000
+  rules            = var.rules
+  rule_definitions = length(var.rule_definitions) > 0 ? var.rule_definitions : local._defaults["nacl_all_rules"]
+  rule_number      = var.rule_number
   rule_increment   = var.rule_increment
 
   r1 = setproduct(local.cidr_blocks, local.rules)