> > since the upgrade to version 4.6 had pf activated by default, > > I was confronted with the question wheather it is reasonable to use it > > on my desktop computer or not.
The question you are "confronted with" has already been solved for you: yes, it is reasonable - that's why it is the default. > > I would like to know if someone is using it that way and if it's worth > > to invest my time into the configuration of pf. What are you talking about? The time investment is minimal, and the config is a few lines, mostly un-commented defaults. As usual on OpenBSD.