--- loncom/loncapa_apache.conf	2021/08/04 19:59:11	1.275
+++ loncom/loncapa_apache.conf	2022/06/30 21:04:15	1.278
@@ -2,7 +2,7 @@
 ## loncapa_apache.conf -- Apache HTTP LON-CAPA configuration file
 ##
 
-# $Id: loncapa_apache.conf,v 1.275 2021/08/04 19:59:11 raeburn Exp $
+# $Id: loncapa_apache.conf,v 1.278 2022/06/30 21:04:15 raeburn Exp $
 
 #
 # LON-CAPA Section (extensions to httpd.conf daemon configuration)
@@ -775,6 +775,11 @@ SetHandler perl-script
 PerlHandler Apache::ltiauth
 </LocationMatch>
 
+<Location /adm/relaunch>
+SetHandler perl-script
+PerlHandler Apache::lonrelaunch
+</Location>
+
 <LocationMatch "^/+adm/lti($|/)">
 SetHandler perl-script
 PerlHandler Apache::ltiauth
@@ -858,6 +863,7 @@ PerlHandler Apache::migrateuser
 </Location>
 
 <Location /adm/sso>
+  Header set Cache-Control "private,no-store,no-cache,max-age=0"
   <IfModule mod_shib>
     AuthType shibboleth
     ShibUseEnvironment On
@@ -866,12 +872,25 @@ PerlHandler Apache::migrateuser
     require valid-user
     PerlAuthzHandler       Apache::lonshibacc
     PerlAuthzHandler       Apache::lonacc
+    ErrorDocument     403 /adm/login
+    ErrorDocument     500 /adm/errorhandler
   </IfModule>
   <IfModule !mod_shib>
     PerlTypeHandler        Apache::lonnoshib
   </IfModule>
 </Location>
 
+<Location /adm/linkexit>
+AuthType LONCAPA
+Require valid-user
+PerlAuthzHandler       Apache::lonacc
+SetHandler perl-script
+PerlHandler Apache::lonlinkexit
+ErrorDocument     403 /adm/login
+ErrorDocument     409 /adm/preferences?action=lockwarning
+ErrorDocument     500 /adm/errorhandler
+</Location>
+
 <Location /adm/annotations>
 AuthType LONCAPA
 Require valid-user