diff --git a/host_vars/hass0.pyrocufflink.blue.yml b/host_vars/hass0.pyrocufflink.blue.yml
new file mode 100644
index 0000000..dad440b
--- /dev/null
+++ b/host_vars/hass0.pyrocufflink.blue.yml
@@ -0,0 +1,3 @@
+hass_interface: ens9
+dhcpcd_deny_interfaces:
+- '{{ hass_interface }}'