I'll probably regret this and if anyone ever sees this and
they actually use it, some people will probably complain. so: sorry
It's not like HTTP isn't really well documented these days :)
anyway, the *Addr fields are, I think, really really old
kinda dumb names that were made to be super unique and ackward
like RemoteAddr or whatever. Back then, having 'IP' would have
been a major problem and PITA and super confusing. So I think
everyone (I want to say 'we' but I don't know if I had anything
to do with RemoteAddr. I think I did add the Apache guys to
add SERVER_NAME support. Before that I don't think apache could
respond to mosaic as 2 different hostnames. My memory could be
incorrect.) named some of these things in ways that don't make
sense in a protobuf like this where it should simply be IP