Index: openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl,v
diff -u -r1.133.2.2 -r1.133.2.3
--- openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	29 Aug 2013 15:59:51 -0000	1.133.2.2
+++ openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	3 Sep 2013 08:07:24 -0000	1.133.2.3
@@ -2518,8 +2518,9 @@
         }    
     }
     
-    if { [ns_config "ns/parameters" ReverseProxyMode] == "true" } {
-	if { [ns_set iget [ad_conn headers] X-Forwarded-For] != ""  && [ns_set iget [ad_conn headers] X-SSL-Request] == "1"} {
+    if { [ns_config "ns/parameters" ReverseProxyMode false] } {
+	if { [ns_set ifind [ad_conn headers] X-Forwarded-For] > -1
+	     && [ns_set iget [ad_conn headers] X-SSL-Request] == "1"} {
 	    set proto https
 	}
     }