Jürgen Schweizer writes: "There are some rather useful, although somewhat non-obvious, Cocoa classes that are most helpful for writing a web server. In this article I will show you what they are and how to use them. I will also show you when it is necessary to (or when some additional benefits can be gained) use Unix or Core Foundation APIs. This article assumes a basic knowledge of Cocoa, so I won't explain any Cocoa topics here, but will show everything you need to get started with networking." bulgarian properties at Black sea