add tcpflags to host.fw example

diff --git a/example/host.fw b/example/host.fw
index 79a5949..e38b2a5 100644 (file)
--- a/example/host.fw
+++ b/example/host.fw
@@ -20,6 +20,9 @@ nf_conntrack_max: 196608
 # you need to enable that explicitly
 allow_bridge_route: 1
 
+# filter illegal combinations of TCP flags
+tcpflags: 1
+
 [RULES]
 
 IN  SSH(ACCEPT) net0