2.4.x patch: trunk patch works, modulo CHANGES
+1: minfrin
+ * mod_session: After parsing the value of the header specified by the
+ SessionHeader directive, remove the value from the response. PR 55279.
+ trunk patch: http://svn.apache.org/r1531679
+ 2.4.x patch: trunk patch works, modulo CHANGES
+ +1: minfrin
+
A list of further possible backports can be found at:
http://people.apache.org/~rjung/patches/possible-backports-httpd-trunk-2_4.txt