diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 20c41ae4ff..c285d8c8a4 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -3017,6 +3017,11 @@ PLIST_SUB=      OCTAVE_VERSION=${OCTAVE_VERSION}</programlisting>
 		    <entry>450004</entry>
 		  </row>
 
+		  <row>
+		    <entry>4.5-STABLE after accept filtering was fixed so
+		      that is no longer susceptible to an easy DoS.</entry>
+		    <entry>450005</entry>
+		  </row>
 
 		  <row>
 		    <entry>5.0-CURRENT</entry>