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Ubuntu Unleashed 2013 Edition: Covering 12.10 and 13.04, Eighth Edition by Matthew Helmke

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mod_auth_digest

An extension of the basic mod_auth module, instead of sending the user information in plain text, mod_auth_digest is sent via the message digest 5 (MD5) authentication process. This authentication scheme is defined in RFC 2617, “HTTP Authentication: Basic and Digest Access Authentication.” Compared to using Basic Authentication, this is a much more secure way of sending user data over the Internet. Unfortunately, not all web browsers support this authentication scheme.

To create password files for use with mod_auth_dbm, you must use the htdigest utility. It has more or less the same functionality as the htpasswd utility. See the man page of htdigest for further information.

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