diff --git a/schema/lib/elements/repomirror.xsd b/schema/lib/elements/repomirror.xsd
index 02ac260..d38765a 100644
--- a/schema/lib/elements/repomirror.xsd
+++ b/schema/lib/elements/repomirror.xsd
@@ -30,7 +30,7 @@
   <xs:complexType name="e_repomir_tstmp_file">
     <xs:simpleContent>
       <xs:extension base="t_unix_filepath">
-        <xs:attribute name="timeFormat" type="xs:string" use="optional"/>
+        <xs:attribute name="timeFormat" type="xs:string" use="optional" default="UNIX_EPOCH"/>
       </xs:extension>
     </xs:simpleContent>
   </xs:complexType>
diff --git a/schema/lib/types/net.xsd b/schema/lib/types/net.xsd
index fb1e308..68a7c94 100644
--- a/schema/lib/types/net.xsd
+++ b/schema/lib/types/net.xsd
@@ -119,7 +119,7 @@
     
     <xs:simpleType name="t_net_port">
         <xs:restriction base="xs:positiveInteger">
-            <xs:minExclusive value="0"/>
+            <xs:minInclusive value="1"/>
             <xs:maxInclusive value="65535"/>
         </xs:restriction>
     </xs:simpleType>