I noticed that a lot of the people that end up on this blog are looking for information on LUAFV and for some reason it seems there isn’t a lot on it. I imagine that people are looking for it for two major reasons. They want to know what it is and what...

The next logical structure in the hierarchy is the FLT_INSTANCE. An instance represents an attachment of a filter on a volume. Please note that any given filter may have more than one instance on a given volume, at different altitudes. This is something...

Well, as you have probably guessed, FLT_FILTER is a structure that describes a minifilter. It is a pretty important structure and people usually become familiar with it once they discover that their minifilter is not unloading, which invariably happens...

Right below the FLTP_FRAME in the hierarchy of filter manager objects is the FLT_VOLUME. It is a structure that describes the attachment of the FLTP_FRAME to a volume: So, as you can see, each frame is pretty much a list of volumes. These volumes are...

Filter Manager's only purpose is to simplify writing file system filters and sometimes it does this by abstracting some of the things that a filter needs to deal with. However, in my experience a good understanding of the mechanisms behind any abstraction...

The main focus of this blog is development of file system filters. I’m not sure how many people are interested in this particular subject, but for those brave few souls things are, in my opinion, unnecessarily complicated. The documentation is rather...