Modifying a page's ACL on one of the DataFactory events sounds like an easy task at first, but there is one hole to get stuck in.

Epinova.PermanentLinkKeeper was released a while back, and has been running fine in several production environments since then. As with all software, however, it wasn't flawless.

Some times you want to render pages or controls outside the regular EPiServer page context. In my case, I was rendering an .ascx -file in an IHttpHandler and outputting it asynchronously through Javascript - which caused some trouble with friendly...

Whenever you move a page or rename it's UrlSegment property, external links to your page break. This is not a good thing, neither for your users, nor for search engines that find those links. There is now an easy to use solution to this.

Handling files in the VPP folders usually works fine out of the box. While troubleshooting a MIME type problem, I discovered something I thought I'd share as it was a frustrating debugging session and the solution is quite...interesting.