On the horizon user setting section there is an option called 'Items per page' that changes the number of items per page . It seems it does not work on security_groups page and on that page all of the security groups will be loaded and that causes a bad gateway error timeout on the browser . -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20220526/6e4210b0/attachment.htm>