diff --git a/fw.sh b/fw.sh
index f327af1..719f222 100755
--- a/fw.sh
+++ b/fw.sh
@@ -37,7 +37,7 @@ fw_test() {
 }
 
 fw_flush() {
-    # raw security
+    # We don't use (yet?) these tables: raw, security
     for table in filter nat mangle; do
         iptables --table ${table} --flush
     done
@@ -52,6 +52,9 @@ case ${1} in
     apply)
         fw_apply
         ;;
+    flush)
+        fw_flush
+        ;;
     restore)
         fw_restore
         ;;