diff --git a/src/primaite/game/agent/actions.py b/src/primaite/game/agent/actions.py
index 090e8481..661be8b6 100644
--- a/src/primaite/game/agent/actions.py
+++ b/src/primaite/game/agent/actions.py
@@ -997,7 +997,7 @@ class ActionManager:
         {0: ("NODE_SERVICE_SCAN", {node_id:0, service_id:2})}
         """
         if act_map is None:
-            self.action_map = self._enumerate_actions()
+            raise RuntimeError("Action map must be specified in the config file.")
         else:
             self.action_map = {i: (a["action"], a["options"]) for i, a in act_map.items()}
         # make sure all numbers between 0 and N are represented as dict keys in action map
diff --git a/src/primaite/simulator/network/hardware/nodes/network/firewall.py b/src/primaite/simulator/network/hardware/nodes/network/firewall.py
index a27b5cee..08735b3b 100644
--- a/src/primaite/simulator/network/hardware/nodes/network/firewall.py
+++ b/src/primaite/simulator/network/hardware/nodes/network/firewall.py
@@ -113,7 +113,7 @@ class Firewall(Router):
         self.connect_nic(
             RouterInterface(ip_address="127.0.0.1", subnet_mask="255.0.0.0", gateway="0.0.0.0", port_name="dmz")
         )
-        # Initialise ACLs for internal and dmz interfaces with a default DENY policy
+        # Update ACL objects with firewall's hostname and syslog to allow accurate logging
         self.internal_inbound_acl.sys_log = kwargs["sys_log"]
         self.internal_inbound_acl.name = f"{hostname} - Internal Inbound"