diff --git a/backend/src/Models/etherType.py b/backend/src/Models/etherType.py
index 872d18e..8e087d6 100644
--- a/backend/src/Models/etherType.py
+++ b/backend/src/Models/etherType.py
@@ -131,9 +131,9 @@ ETHERTYPE_MAP: Dict[int, EtherTypeEnum] = {
 }
 
 
-def ethertype_from_int(value: int) -> EtherTypeEnum:
+def ethertype_from_int(value: int) -> str:
     """
     Map a numeric EtherType value to the corresponding enum.
     Returns UNKNOWN if not found.
     """
-    return ETHERTYPE_MAP.get(value, EtherTypeEnum.UNKNOWN)
+    return ETHERTYPE_MAP.get(value, EtherTypeEnum.UNKNOWN).name
diff --git a/backend/src/Models/ip_protocol.py b/backend/src/Models/ip_protocol.py
index 5d9465a..a50f047 100644
--- a/backend/src/Models/ip_protocol.py
+++ b/backend/src/Models/ip_protocol.py
@@ -1,4 +1,5 @@
 from enum import Enum
+from typing import Literal
 
 """
 This module defines an enumeration for IP protocol types and provides a mapping
@@ -310,6 +311,6 @@ IP_PROTOCOL_MAP = {
     255: IPProtocolEnum.RESERVED,
 }
 
-def protocol_from_number(n: int) -> IPProtocolEnum:
-    return IP_PROTOCOL_MAP.get(n, IPProtocolEnum.UNKNOWN)
+def protocol_from_number(n: int) -> str:
+    return IP_PROTOCOL_MAP.get(n, IPProtocolEnum.UNKNOWN).name