What's the current bug report procedure?

All, I have a (minor) but to report in the networking (Network and Network.Socket) libraries. If the /etc/protocols file is missing, an error message is printed saying that a service could not be found. This occurs even when no service is involved (the port number is specified explicitly using the constructor PortNumber). I'm aware that the procedure changed; can you point me at the right place to report this and/or the right people/bug tracker/whatever? Thanks, Seth Kurtzberg