They automatically log in as the anonymous guest. It uses port 80. You can play with this protocol using telnet . Web browsers use the http protocol heavily. They can usually also speak the ftp and a few other protocols.
Web browsers follow a convention for naming web resources.
It is typically one of http, ftp, file . It is usually a file, but it can also be the name of a program that knows how to generate http documents. The client can't distinguish these cases. If you want fancier text, that is fine. Then mail raphael a note indicating that the file is ready to look at.