--- doc/loncapafiles/webserver.piml	2020/01/06 15:54:10	1.43.2.3
+++ doc/loncapafiles/webserver.piml	2020/03/05 18:35:49	1.43.2.6
@@ -2,7 +2,7 @@
 	"http://lpml.sourceforge.net/DTD/piml.dtd">
 <!-- webserver.piml -->
 
-<!-- $Id: webserver.piml,v 1.43.2.3 2020/01/06 15:54:10 raeburn Exp $ -->
+<!-- $Id: webserver.piml,v 1.43.2.6 2020/03/05 18:35:49 raeburn Exp $ -->
 
 <!--
 
@@ -48,7 +48,7 @@ http://www.lon-capa.org/
 <target dist='suse9.2 suse9.3 sles9'>/etc/httpd/httpd.conf</target>
 <target dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>/etc/apache2/default-server.conf</target>
 <target dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12'>/etc/apache2/sites-available/loncapa</target>
-<target dist='ubuntu14 ubuntu16 ubuntu18'>/etc/apache2/conf-available/loncapa</target>
+<target dist='ubuntu14 ubuntu16 ubuntu18 ubuntu20'>/etc/apache2/conf-available/loncapa</target>
 <note>This is for Apache 1.X for Red Hat 4ES, Fedora 2, 3 and 4, SusSE 9.2 and 9.3, and SLES 9 distributions. This is for Apache 2.X for Fedora 5, Red Hat 5, CentOS 5, Scientific Linux 5, Oracle Linux 5, SuSE 10.1, SLES 10, Debian 5, Ubuntu LTS 8 and later distributions</note>
 <dependencies dist='default'>
 /etc/httpd/conf/httpd.conf
@@ -59,7 +59,7 @@ http://www.lon-capa.org/
 <dependencies dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10 ubuntu12'>
 /etc/apache2/sites-available/loncapa
 </dependencies>
-<dependencies dist='ubuntu14 ubuntu16 ubuntu18'>
+<dependencies dist='ubuntu14 ubuntu16 ubuntu18 ubuntu20'>
 /etc/apache2/conf-available/loncapa
 </dependencies>
 <dependencies dist='sles10 sles11 sles12 sles15 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1 suse12.2 suse12.3 suse13.1 suse13.2'>
@@ -227,9 +227,9 @@ else {
             }
             my $hostname = Sys::Hostname::FQDN::fqdn();
             my $hostip = Socket::inet_ntoa(scalar(gethostbyname($hostname)) || 'localhost');
-            my @expected = ('RewriteCond %{REQUEST_URI} ^/adm/wrapper/ext/(?!https:\/\/)',
+            my @expected = ('RewriteCond %{REQUEST_URI} ^/adm/wrapper/ext/(?!https:)',
                             'RewriteCond %{QUERY_STRING} (^|&(|amp;))usehttp=1($|&)',
-                            'RewriteRule ^/adm/wrapper/ext/(?!https:\/\/) http://%{HTTP_HOST}%{REQUEST_URI} [R,L,NE]',
+                            'RewriteRule ^/adm/wrapper/ext/(?!https:) http://%{HTTP_HOST}%{REQUEST_URI} [R,L,NE]',
                             'RewriteCond %{REMOTE_ADDR} 127.0.0.1',
                             'RewriteRule (.*) - [L]');
             if (($hostip ne '') && ($hostip ne '127.0.0.1')) {