diff --git a/src/cloud/occi/lib/occi-server.rb b/src/cloud/occi/lib/occi-server.rb
index 9225496094..da30db230b 100644
--- a/src/cloud/occi/lib/occi-server.rb
+++ b/src/cloud/occi/lib/occi-server.rb
@@ -129,6 +129,7 @@ set :cloud_auth, cloud_auth
 ##############################################################################
 
 before do
+    cache_control :no_store
     unless request.path=='/ui/login' || request.path=='/ui'
         if !authorized?
             begin
diff --git a/src/ozones/Server/ozones-server.rb b/src/ozones/Server/ozones-server.rb
index dd9634a62e..1f32396e6b 100755
--- a/src/ozones/Server/ozones-server.rb
+++ b/src/ozones/Server/ozones-server.rb
@@ -190,6 +190,7 @@ helpers do
 end
 
 before do
+    cache_control :no_store
     unless request.path=='/login' || request.path=='/'
 
         unless authorized?
diff --git a/src/sunstone/sunstone-server.rb b/src/sunstone/sunstone-server.rb
index 845d028382..e4fec46b38 100755
--- a/src/sunstone/sunstone-server.rb
+++ b/src/sunstone/sunstone-server.rb
@@ -171,7 +171,7 @@ helpers do
 end
 
 before do
-    cache_control :private, :must_revalidate
+    cache_control :no_store
     unless request.path=='/login' || request.path=='/'
         halt 401 unless authorized?