diff --git a/mkp/Traefik-0.2.0.mkp b/mkp/Traefik-0.2.0.mkp
new file mode 100644
index 0000000..e463b53
Binary files /dev/null and b/mkp/Traefik-0.2.0.mkp differ
diff --git a/traefik/agent_based/traefik_info.py b/traefik/agent_based/traefik_info.py
index 5fdb09c..c975006 100644
--- a/traefik/agent_based/traefik_info.py
+++ b/traefik/agent_based/traefik_info.py
@@ -2,6 +2,7 @@
 # pylint: disable=missing-module-docstring, unused-argument,
 # pylint: disable=missing-function-docstring, line-too-long
 
+
 import datetime
 import time
 
@@ -24,6 +25,9 @@ def get_state_upper(
     levels: tuple[int | float, int | float], value: int | float
 ) -> State:
     """returns OK/WARN/CRIT depending on the given parameters"""
+    if levels is None:
+        # a rule with no levels set is active, assume OK state
+        return State.OK
     warn, crit = levels
     if value >= crit:
         return State.CRIT
@@ -62,6 +66,9 @@ def check_traefik_info(params, section) -> CheckResult:
     """the check function"""
     _level_type, levels = params["levels_traefik_agent_execution_time"]
     codename: str = section["codename"]
+    if codename == "":
+        # docker hardened image
+        codename = "DHI"
     version: str = section["version"]
     startdate: str = section["startdate"]
     startdate_seconds_since_epoch: int = section["startdate_seconds_since_epoch"]
@@ -71,7 +78,6 @@ def check_traefik_info(params, section) -> CheckResult:
     agent_version: str = section["agent_version"]
     agent_runtime: float = round(section["agent_runtime"], 1)
     state: State = get_state_upper(levels=levels, value=agent_runtime)
-
     yield Metric(
         name="traefik_agent_execution_time",
         value=agent_runtime,