diff --git a/Shorewall/Perl/Shorewall/Tc.pm b/Shorewall/Perl/Shorewall/Tc.pm
index fffe16346..5f3cfd638 100644
--- a/Shorewall/Perl/Shorewall/Tc.pm
+++ b/Shorewall/Perl/Shorewall/Tc.pm
@@ -2219,11 +2219,14 @@ sub process_secmark_rule() {
 		 I => 'tcin'    ,
 		 O => 'tcout'   , );
 
-    my %state = ( N =>  'NEW' ,
-		  I => 'INVALID',
-		  NI => 'NEW,INVALID',
-		  E =>  'ESTABLISHED' ,
-		  ER => 'ESTABLISHED,RELATED',
+    my %state = ( N   => 'NEW' ,
+		  I   => 'INVALID',
+		  U   => 'UNTRACKED',
+		  NI  => 'NEW,INVALID',
+		  NU  => 'NEW,UNTRACKED',
+		  NIU => 'NEW,INVALID,UNTRACKED',
+		  E   => 'ESTABLISHED' ,
+		  ER  => 'ESTABLISHED,RELATED',
 		);
 
     my ( $chain , $state, $rest) = split ':', $chainin , 3;
diff --git a/Shorewall/manpages/shorewall-secmarks.xml b/Shorewall/manpages/shorewall-secmarks.xml
index d8bed9ed7..af0d49a4e 100644
--- a/Shorewall/manpages/shorewall-secmarks.xml
+++ b/Shorewall/manpages/shorewall-secmarks.xml
@@ -92,7 +92,7 @@
 
       <varlistentry>
         <term><emphasis role="bold">CHAIN:STATE (chain) -
-        {P|I|F|O|T}[:{N|I|NI|E|ER}]</emphasis></term>
+        {P|I|F|O|T}[:{N|I|U|NI|NU|NIU|NUI:E|ER}]</emphasis></term>
 
         <listitem>
           <para>This column determines the CHAIN where the SElinux context is
@@ -125,6 +125,17 @@
 
             <member>:ER - ESTABLISHED or RELATED connection</member>
           </simplelist>
+
+          <para>Beginning with Shorewall 4.5.10, the following additional
+          options are available</para>
+
+          <simplelist>
+            <member>:U - UNTRACKED connection</member>
+
+            <member>:NU - NEW or UNTRACKED connection</member>
+
+            <member>:NIU - NEW, INVALID or UNTRACKED connection.</member>
+          </simplelist>
         </listitem>
       </varlistentry>
     </variablelist>
diff --git a/Shorewall6/manpages/shorewall6-secmarks.xml b/Shorewall6/manpages/shorewall6-secmarks.xml
index 53c6339cd..a39a1b3de 100644
--- a/Shorewall6/manpages/shorewall6-secmarks.xml
+++ b/Shorewall6/manpages/shorewall6-secmarks.xml
@@ -122,6 +122,17 @@
 
             <member>:ER - ESTABLISHED or RELATED connection</member>
           </simplelist>
+
+          <para>Beginning with Shorewall 4.5.10, the following additional
+          options are available</para>
+
+          <simplelist>
+            <member>:U - UNTRACKED connection</member>
+
+            <member>:NU - NEW or UNTRACKED connection</member>
+
+            <member>:NIU - NEW, INVALID or UNTRACKED connection.</member>
+          </simplelist>
         </listitem>
       </varlistentry>
     </variablelist>