\chapter{Internet Protocols and Support \label{internet}} \index{WWW}\index{Internet}\index{World Wide Web} The modules described in this chapter implement Internet protocols and support for related technology.  They are all implemented in Python.Most of these modules require the presence of the system-dependentmodule \refmodule{socket}\refbimodindex{socket}, which is currentlysupported on most popular platforms.  Here is an overview: \localmoduletable