There are an increasing number of ways to authenticate a user to a web
service. Emacs/W3 tries to support as many as possible. Emacs/W3
- Basic Authentication
The weakest authentication available, not recommended if serious
security is necessary. This is simply a string that looks like
`user:password' that has been Base64 encoded, as defined in RFC
- Digest Authentication
Jeffery L. Hostetler, John Franks, Philip Hallam-Baker, Ari Luotonen,
Eric W. Sink, and Lawrence C. Stewart have an internet draft for a new
authentication mechanism. For the complete specification, please see
draft-ietf-http-digest-aa-01.txt in the nearest internet drafts
- SSL Encryption
SSL is the
Secure Sockets Layer interface. Emacs/W3 supports
HTTP transfers over an SSL encrypted channel, if the appropriate
files have been installed. See section D. Installing SSL.
Sometimes you don't want people to know who you are, or where you've
been. HTTP is quite happy to tell everyone it meets who you are
and where you've come from.
url-privacy-level can be used to set
how much information is given, it can be a list of the following symbols
- Do not send email address. This just sets
- Do not send operating system
- Do not send the last location
- Do not send the User-Agent string (for an alternative approach,
see section 3.4 Masquerading).
- Never accept cookies (see section 8. Cookies)
url-privacy-level can be a single symbol,
- Send all information.
- Don't send the last location. Equivalent to
- Don't send the email address or last location. Equivalent to
- Don't send anything. Equivalent to
(email os lastloc agent cookie)
If you change
url-privacy-level then you should also call
url-setup-privacy-info to make sure that the changes propogate.
This document was generated
by XEmacs Webmaster on October, 2 2007