diff --git a/debian-use-old-iptables b/debian-use-old-iptables
new file mode 100644
index 0000000..50d47c1
--- /dev/null
+++ b/debian-use-old-iptables
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# reverting for a running system that still needs access to old style
+#  rules
+
+update-alternatives --set iptables /usr/sbin/iptables-legacy
+update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
+update-alternatives --set arptables /usr/sbin/arptables-legacy
+update-alternatives --set ebtables /usr/sbin/ebtables-legacy