diff --git a/configs/conf-available/10-backend-exec-ipfw.conf b/configs/conf-available/10-backend-exec-ipfw.conf
new file mode 100644
index 0000000..6efe0a5
--- /dev/null
+++ b/configs/conf-available/10-backend-exec-ipfw.conf
@@ -0,0 +1,6 @@
+[backend:exec-ipfw]
+load  = libf2b_backend_exec.so
+ban   = /sbin/ipfw table <ID> add <IP>
+unban = /sbin/ipfw table <ID> delete <IP>
+timeout = 2
+shared = yes