diff --git a/README.md b/README.md
index 87b9cc7..dba8220 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,4 @@ TODO
 - [ ] Dynamic address assignment
 - [ ] network booting and diskless machines
 - [ ] Horrible networks that use *all* of the RFC 1918 IPv4 addresses in the inside infra (gateways, DNS servers) and therefore clash with *any/most* private network on the host
+- [ ] Firewalls