diff --git a/conf/config.php b/conf/config.php
index 7889ef3..21c5bf7 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -214,7 +214,7 @@ define('BRUTEFORCE_LOCKDOWN_DURATION', 15);
 
 // Session duration in second (0 = until the browser is closed)
 // See http://php.net/manual/en/session.configuration.php#ini.session.cookie-lifetime
-define('SESSION_DURATION', 60);
+define('SESSION_DURATION', 0);
 
 // HTTP client proxy
 define('HTTP_PROXY_HOSTNAME', '');
diff --git a/scripts/install b/scripts/install
index c7748ba..fe67ab1 100644
--- a/scripts/install
+++ b/scripts/install
@@ -36,9 +36,9 @@ sudo sed -i "s/yuno_admin/$admin/g" $final_path/config.php
 sudo sed -i "s/yuno_email/$email/g" $final_path/config.php
 sudo sed -i "s/yuno_domain/$domain/g" $final_path/config.php
 
-# Set permissions to data directory and config file
+# Set permissions to kanboard and data directory
+sudo chown -R root:root $final_path
 sudo chown -R www-data:www-data $final_path/data
-sudo chown www-data:www-data $final_path/config.php
 
 # Use dedicated php pool
 sed -i "s@NAMETOCHANGE@$app@g" ../conf/php-fpm.conf
diff --git a/scripts/restore b/scripts/restore
index 42db852..fe2fe7f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -9,6 +9,10 @@ backup_dir=$1/apps/$app
 # Restore sources & data
 sudo cp -a $backup_dir/sources/. /var/www/$app
 
+# Restore permissions
+sudo chown -R root:root $final_path
+sudo chown -R www-data:www-data $final_path/data
+
 # Restore mysql dump
 db_pwd=$(sudo yunohost app setting $app mysqlpwd)
 sudo mysql -u $app -p$db_pwd $app < $backup_dir/$app.dmp
diff --git a/scripts/upgrade b/scripts/upgrade
index a916d82..01135cf 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -26,9 +26,9 @@ sudo sed -i "s/yuno_admin/$admin/g" $final_path/config.php
 sudo sed -i "s/yuno_email/$email/g" $final_path/config.php
 sudo sed -i "s/yuno_domain/$domain/g" $final_path/config.php
 
-# Set permissions to data directory and config file
+# Set permissions to kanboard and data directory
+sudo chown -R root:root $final_path
 sudo chown -R www-data:www-data $final_path/data
-sudo chown www-data:www-data $final_path/config.php
 
 # Use dedicated php pool
 sed -i "s@NAMETOCHANGE@$app@g" ../conf/php-fpm.conf