Use patch from http://users.k12system.com/mrwizard/backuppc-3.2.0-fastcgi.patch
to allow fcgi workflow
--- cgi-bin/BackupPC_Admin.orig	Sat Sep 17 17:22:41 2011
+++ cgi-bin/BackupPC_Admin	Sat Sep 17 17:24:46 2011
@@ -49,13 +49,12 @@ use strict;
 no  utf8;
 use CGI;
 use CGI::Carp qw(fatalsToBrowser);
+use CGI::Fast qw(:standard);
 use lib "__INSTALLDIR__/lib";
 
 use BackupPC::Lib;
 use BackupPC::CGI::Lib qw(:all);
 
-BackupPC::CGI::Lib::NewRequest;
-
 my %ActionDispatch = (
     "summary"             	 => "Summary",
     "Start_Incr_Backup"          => "StartStopBackup",
@@ -84,6 +83,10 @@ my %ActionDispatch = (
     "rss"                        => "RSS",
 );
 
+while (my $q = new CGI::Fast) {
+  # This requires a change to lib/BackupPC/CGI/Lib.pm
+  # allowing the new CGI to be replaced with shift || new CGI
+  BackupPC::CGI::Lib::NewRequest($q);
 #
 # Set default actions, then call sub handler
 #
@@ -107,3 +110,6 @@ push(@INC, $installDir) if ( !grep($_ eq $installDir, 
 require "BackupPC/CGI/$action.pm"
 	    if ( !defined($BackupPC::CGI::{"${action}::"}) );
 $BackupPC::CGI::{"${action}::"}{action}();
+}
+
+exit 0;