You could try
PageAccessControlList list = new EPiServer.Security.PageAccessControlList(CurrentPage.PageLink); // ACL for a specific page
But those two methods will basically do the same thing - only return the groups that have access to the page, not all the groups you have defined on your site.
Hi, In my episerver cms 6 site, I'm trying to display which user groups has access to a page. And I tried like this CurrentPage.ACL.ToList();
But in this list, I don't all the groups, some groups are missing. Is there any other way to get access groups ?