diff --git a/bind8/conf_dnssectools.cgi b/bind8/conf_dnssectools.cgi
index 76fcac162..0c103a3a7 100755
--- a/bind8/conf_dnssectools.cgi
+++ b/bind8/conf_dnssectools.cgi
@@ -1,18 +1,12 @@
 #!/usr/local/bin/perl
 # Show a form to setup DNSSEC-Tools parameters
+use strict;
+use warnings;
+# Globals
+our (%access, %text, %config);
 
 require './bind8-lib.pl';
 
-local $conf;
-local $emailaddrs;
-local $algorithm;
-local $ksklength;
-local $zsklength;
-local $usensec3;
-local $endtime;
-local $ksklife;
-local $zsklife;
-
 &ReadParse();
 $access{'defaults'} || &error($text{'dt_conf_ecannot'});
 &ui_print_header(undef, $text{'dt_conf_title'}, "",
@@ -20,51 +14,51 @@ $access{'defaults'} || &error($text{'dt_conf_ecannot'});
 
 print $text{'dt_conf_desc'},"<p>\n";
 
-$conf = get_dnssectools_config();
+my $conf = get_dnssectools_config();
 
 print &ui_form_start("save_dnssectools.cgi", "post");
 print &ui_table_start($text{'dt_conf_header'}, undef, 2);
 
-$emailaddrs = find_value("admin-email", $conf);
+my $emailaddrs = find_value("admin-email", $conf);
 print &ui_table_row($text{'dt_conf_email'},
 		ui_textbox("dt_email", $emailaddrs, 50));
 
 #algorithm; dt_alg
-$algorithm = find_value("algorithm", $conf);
+my $algorithm = find_value("algorithm", $conf);
 print &ui_table_row($text{'dt_conf_algorithm'},
 		ui_textbox("dt_alg", $algorithm, 50));
 
 #ksklength; dt_ksklen
-$ksklength = find_value("ksklength", $conf);
+my $ksklength = find_value("ksklength", $conf);
 print &ui_table_row($text{'dt_conf_ksklength'},
 		ui_textbox("dt_ksklen", $ksklength, 50));
 
 #zsklength; dt_zsklen
-$zsklength = find_value("zsklength", $conf);
+my $zsklength = find_value("zsklength", $conf);
 print &ui_table_row($text{'dt_conf_zsklength'},
 		ui_textbox("dt_zsklen", $zsklength, 50));
 
 #usensec3; dt_nsec3
-$usensec3 = find_value("usensec3", $conf);
+my $usensec3 = find_value("usensec3", $conf);
 print &ui_table_row($text{'dt_conf_nsec3'},
 		ui_textbox("dt_nsec3", $usensec3, 50));
 
 
 #endtime; dt_endtime
-$endtime = find_value("endtime", $conf);
+my $endtime = find_value("endtime", $conf);
 print &ui_table_row($text{'dt_conf_endtime'},
 		ui_textbox("dt_endtime", $endtime, 50));
 
 print &ui_table_hr();
 
 #ksklife; dt_ksklife
-$ksklife = find_value("ksklife", $conf);
+my $ksklife = find_value("ksklife", $conf);
 print &ui_table_row($text{'dt_conf_ksklife'},
 		ui_textbox("dt_ksklife", $ksklife, 50)." ".
 		$text{'dnssec_secs'});
 
 #zsklife; dt_zsklife
-$zsklife = find_value("zsklife", $conf);
+my $zsklife = find_value("zsklife", $conf);
 print &ui_table_row($text{'dt_conf_zsklife'},
 		ui_textbox("dt_zsklife", $zsklife, 50)." ".
 		$text{'dnssec_secs'});