HTTP: Truly a stateless protocol?

> Is HTTP stateful or Stateless? Also, it would be really great is you
> please do let me know where can I find more details regarding HTTP protocol?

Fundamentally, HTTP as a protocol is stateless. In general, though, a
stateless protocol can be made to act as if it were stateful, assuming
you've got help from the client. This happens by arranging for the
server to send the state (or some representative of the state) to the
client, and for the client to send it back again next time.

There are three ways this happens in HTTP. One is cookies, in which
case the state is sent and returned in HTTP headers. The second is URL
rewriting, in which case the state is sent as part of the response and
returned as part of the request URI. The third is hidden form fields,
in which the state is sent to the client as part of the response, and
returned to the server as part of a form's data (which can be in the
request URI or the POST body, depending on the form's method).

To learn more about HTTP as a protocol, see http://www.w3.org/Protocols/

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(I'll elaborate on this later... ~cdunn2001)