Just set the acl & automatically it will filtered. because indexing happens at repository level [1], ACLs are handled by the Oak query engine.  When you execute a query Oak query engine is called & automatically applies the permission.

Make use of productRolloutHook & override it.https://docs.adobe.com/docs/en/cq/5-6-1/javadoc/com/adobe/cq/commerce/common/AbstractJcrCommerceService.html#catalogRolloutHook%28com.day.cq.wcm.api.Page,%20com.day.cq.wcm.api.Page%29

Install the Hot fix 6561[1] then create a suggestion index. [1]  https://helpx.adobe.com/experience-manager/kb/aem6-available-hotfixes.html[2]   http://jackrabbit.apache.org/oak/docs/query/lucene.html#Suggestions

File a support request and ask for a feature pack 5378. Then you able to configure

Your symptoms indicate some how back end entry (ex:- at /etc/designs/default/jcr%3Acontent/<page component name>/<parsys node name>] ) is made to list of component hence the issue.  To fix it  Change the last modified date of design. Example at /etc/designs/geometrixx/jcr:content/@cq:lastModified to...

Currently HTML5 tags like <section>,<header>.. tag in RTE plug-in is not supported. The non working html starting with <P> with html5 blocked elements. So an empty space will be added automatically. Also the html is not well formed and you might see additional issue. Because html preprocessor valida...

If the request is over https out of the box should be setting the secure flag on all cookies.  In case you are terminating SSL on another layers like lb, dispatcher configure  Felix SSL Filter.   You can also set using api.https://docs.oracle.com/javase/7/docs/api/java/net/HttpCookie.html 

It is not a bug instead a feature to indicate target (Livecopy) has been detached. 

By default aem6 system doesn't use a datastore, it stores everything in the tar files so you should not run datastore hc & also not worry about datastore gc.So instead, to reduce the size of your repository you can follow the steps under "Offline Compaction via the Oak-run Tool" on this page of the ...

http://adobe-consulting-services.github.io/acs-aem-commons/features/designer-clientlibsmanager.html