diff --git a/etc/ipv4.conf b/etc/ipv4.conf
index 95c9e5b..df95a5a 100644
--- a/etc/ipv4.conf
+++ b/etc/ipv4.conf
@@ -88,4 +88,11 @@ Enablev4Forwarding="yes"
 # Config file: ipv4/nat.conf
 # Requires: Enablev4ConnectionTracking="yes"
 # Values: no | yes (default)
-Enablev4NAT="yes"
\ No newline at end of file
+Enablev4NAT="yes"
+
+# Enable IPv4 Port Forwarding rules
+# This allows you to set up port forwarding rules to allow
+# external access to internal machines
+# Config file: ipv4/portfw.conf
+# Values: no | yes (default)
+Enablev4PortForwarding="yes"
\ No newline at end of file