.. _internet:

**********************************
20a Internet Protocols and Support
**********************************

.. index::
   single: WWW
   single: Internet
   single: World Wide Web

.. index:: module: socket

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-dependent module :mod:`socket`, which
is currently supported on most popular platforms.  Here is an overview:


.. toctree::
   :maxdepth: 1
   :numbered:
   
   webbrowser
   cgi
   cgitb
   wsgiref
   urllib
   urllib2
   httplib
   ftplib
   poplib
   imaplib
   nntplib
   smtplib
   smtpd