Backup of specific folder within AEM can be taken using the below curl commandcurl -u admin:admin --data "delay=10&force=false&installDir=SEGMENTSTORE-PATH&target=BACKUP-PATH" http://localhost:4502/libs/granite/backup/content/admin/backups/Like the other reply, this does not take the backup of datas...

You can use ACL packager from ACS commons[1] for migrating permissions.[1] https://adobe-consulting-services.github.io/acs-aem-commons/features/acl-packager.html

Can you share the /invalidate section of your dispatcher.any configuration and the dispatcher log entries...