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From ron...@hyperreal.org
Subject cvs commit: apache-1.3/htdocs/manual/mod mod_auth_digest.html index.html
Date Sun, 08 Aug 1999 22:37:17 GMT
ronald      99/08/08 15:37:17

  Modified:    src      Configuration.tmpl
               htdocs/manual/mod index.html
  Added:       htdocs/manual/mod mod_auth_digest.html
  Log:
  changes for new modules/experimental/mod_auth_digest
  
  Revision  Changes    Path
  1.118     +25 -5     apache-1.3/src/Configuration.tmpl
  
  Index: Configuration.tmpl
  ===================================================================
  RCS file: /home/cvs/apache-1.3/src/Configuration.tmpl,v
  retrieving revision 1.117
  retrieving revision 1.118
  diff -u -r1.117 -r1.118
  --- Configuration.tmpl	1999/06/22 15:33:10	1.117
  +++ Configuration.tmpl	1999/08/08 22:37:14	1.118
  @@ -124,12 +124,12 @@
   # functions. The format is: Rule RULE=value
   #
   # At present, only the following RULES are known: WANTHSREGEX, SOCKS4,
  -# SOCKS5, IRIXNIS, IRIXN32 and PARANOID.
  +# SOCKS5, IRIXNIS, IRIXN32, PARANOID, and DEV_RANDOM.
   #
  -# For all Rules, if set to "yes", then Configure knows we want that
  -# capability and does what is required to add it in. If set to "default"
  -# then Configure makes a "best guess"; if set to anything else, or not
  -# present, then nothing is done.
  +# For all Rules except DEV_RANDOM, if set to "yes", then Configure knows
  +# we want that capability and does what is required to add it in. If set
  +# to "default" then Configure makes a "best guess"; if set to anything
  +# else, or not present, then nothing is done.
   #
   # SOCKS4:
   #  If SOCKS4 is set to 'yes', be sure that you add the socks library
  @@ -174,6 +174,19 @@
   Rule PARANOID=no
   Rule EXPAT=default
   
  +# DEV_RANDOM:
  +#  Note: this rule is only used when compiling mod_auth_digest.
  +#  mod_auth_digest requires a cryptographically strong random seed for its
  +#  random number generator. It knows two ways of getting this: 1) from
  +#  a file or device (such as "/dev/random"), or 2) from the truerand
  +#  library. If this rule is set to 'default' then Configure will choose
  +#  to use /dev/random if it exists, else /dev/urandom if it exists,
  +#  else the truerand library. To override this behaviour set DEV_RANDOM
  +#  either to 'truerand' (to use the library) or to a device or file
  +#  (e.g. '/dev/urandom'). If the truerand library is selected, Configure
  +#  will assume "-L/usr/local/lib -lrand".
  +Rule DEV_RANDOM=default
  +
   # The following rules should be set automatically by Configure. However, if
   # they are not set by Configure (because we don't know the correct value for
   # your platform), or are set incorrectly, you may override them here.
  @@ -308,6 +321,13 @@
   ## and a common prefix, e.g., /~<user> , /usr/web/<user> , etc.
   
   AddModule modules/standard/mod_userdir.o
  +
  +## "digest" implements HTTP Digest Authentication rather than the less 
  +## secure Basic Auth used by the other modules. This is an updated
  +## version of mod_digest, but it is not well tested and is therefore
  +## marked experimental
  +
  +# AddModule modules/experimental/mod_auth_digest.o
   
   ## The proxy module enables the server to act as a proxy for outside
   ## http and ftp services. It's not as complete as it could be yet.
  
  
  
  1.28      +2 -0      apache-1.3/htdocs/manual/mod/index.html
  
  Index: index.html
  ===================================================================
  RCS file: /home/cvs/apache-1.3/htdocs/manual/mod/index.html,v
  retrieving revision 1.27
  retrieving revision 1.28
  diff -u -r1.27 -r1.28
  --- index.html	1999/06/22 00:51:23	1.27
  +++ index.html	1999/08/08 22:37:15	1.28
  @@ -42,6 +42,8 @@
   <DD>User authentication using Berkeley DB files.
   <DT><A HREF="mod_auth_dbm.html">mod_auth_dbm</A>
   <DD>User authentication using DBM files.
  +<DT><A HREF="mod_auth_digest.html">mod_auth_digest</A>
  +<DD>MD5 authentication (experimental)
   <DT><A HREF="mod_autoindex.html">mod_autoindex</A>
   <DD>Automatic directory listings.
   <DT><A HREF="mod_browser.html">mod_browser</A> Apache 1.2.* only
  
  
  
  1.1                  apache-1.3/htdocs/manual/mod/mod_auth_digest.html
  
  Index: mod_auth_digest.html
  ===================================================================
  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
  <HTML>
  <HEAD>
  <TITLE>Apache module mod_auth_digest</TITLE>
  </HEAD>
  
  <!-- Background white, links blue (unvisited), navy (visited), red (active) -->
  <BODY
   BGCOLOR="#FFFFFF"
   TEXT="#000000"
   LINK="#0000FF"
   VLINK="#000080"
   ALINK="#FF0000"
  >
  <!--#include virtual="header.html" -->
  <H1 ALIGN="CENTER">Module mod_auth_digest</H1>
  
  This module is contained in the <CODE>mod_auth_digest.c</CODE> file, and is
  not compiled in by default. It is only available in Apache 1.3.8 and
  later. It provides for user authentication using MD5 Digest
  Authentication.
  
  <P>Note this is an updated version of <A
  HREF="mod_digest.html">mod_digest</A>. However, it has not been
  extensively tested and is therefore marked experimental. If you use this
  module, you must make sure to <em>not</em> use mod_digest (because they
  share some of the same configuration directives).
  
  
  <MENU>
  <LI><A HREF="#authdigestfile">AuthDigestFile</A>
  <LI><A HREF="#authdigestgroupfile">AuthDigestGroupFile</A>
  <LI><A HREF="#authdigestqop">AuthDigestQop</A>
  <LI><A HREF="#authdigestnoncelifetime">AuthDigestNonceLifetime</A>
  <LI><A HREF="#authdigestnonceformat">AuthDigestNonceFormat</A>
  <LI><A HREF="#authdigestnccheck">AuthDigestNcCheck</A>
  <LI><A HREF="#authdigestalgorithm">AuthDigestAlgorithm</A>
  <LI><A HREF="#authdigestdomain">AuthDigestDomain</A>
  <LI><A HREF="#usingdigest">Using Digest Authentication</A>
  </MENU>
  <HR>
  
  
  <H2><A NAME="authdigestfile">AuthDigestFile</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestFile <EM>filename</EM><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  
  <P>The AuthDigestFile directive sets the name of a textual file containing
  the list of users and encoded passwords for digest authentication.
  <EM>Filename</EM> is the absolute path to the user file.
  
  <P>The digest file uses a special format. Files in this format can be
  created using the "htdigest" utility found in the support/ subdirectory of
  the Apache distribution.
  
  <HR>
  
  <H2><A NAME="authdigestgroupfile">AuthDigestGroupFile</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestGroupFile <EM>filename</EM><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P>The AuthDigestGroupFile directive sets the name of a textual file
  containing the list of groups and their members (user names).
  <EM>Filename</EM> is the absolute path to the group file.
  
  <P>Each line of the group file contains a groupname followed by a colon,
  followed by the member usernames separated by spaces. Example:
  <BLOCKQUOTE><CODE>mygroup: bob joe anne</CODE></BLOCKQUOTE>
  Note that searching large text files is <EM>very</EM> inefficient.
  
  <P>Security: make sure that the AuthGroupFile is stored outside the
  document tree of the web-server; do <EM>not</EM> put it in the directory
  that it protects. Otherwise, clients will be able to download the
  AuthGroupFile.
  
  <HR>
  
  <H2><A NAME="authdigestqop">AuthDigestQop</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestQop <EM>none | 1*{ auth
| auth-int }</EM><BR>
  <A
   HREF="directive-dict.html#Default"
   REL="Help"
  ><STRONG>Default:</STRONG></A> <CODE>AuthDigestQop auth</CODE><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P>The AuthDigestQop directive determines the quality-of-protection to use.
  <EM>auth</EM> will only do authentication (username/password);
  <EM>auth-int</EM> is authentication plus integrity checking (an MD5 hash
  of the entity is also computed and checked); <EM>none</EM> will cause the
  module to use the old RFC-2069 digest algorithm (which does not include
  integrity checking). Both <EM>auth</em> and <EM>auth-int</EM> may
be
  specified, in which the case the browser will choose which of these to
  use. <EM>none</EM> should only be used if the browser for some reason
  does not like the challenge it receives otherwise.
  
  <P><STRONG><EM>auth-int</EM> is not implemented yet</STRONG>.
  
  <HR>
  
  <H2><A NAME="authdigestnoncelifetime">AuthDigestNonceLifetime</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestNonceLifetime <EM>&lt;time&gt;</EM><BR>
  <A
   HREF="directive-dict.html#Default"
   REL="Help"
  ><STRONG>Default:</STRONG></A> <CODE>AuthDigestNonceLifetime
300</CODE><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P>The AuthDigestNonceLifetime directive controls how long the server
  nonce is valid. When the client contacts the server using an expired
  nonce the server will send back a 401 with <code>stale=true</code>. If
  <EM>&lt;time&gt;</EM> is greater than 0 then it specifies the number
of
  seconds the nonce is valid; this should probably never be set to less
  than 10 seconds. If <EM>&lt;time&gt;</EM> is less than 0 then the nonce
  never expires.
  
  <!-- Not implemented yet
  If <EM>&lt;time&gt;</EM> is 0 then the nonce may be used exactly once
  by the client. Note that while one-time-nonces provide higher security
  against replay attacks, they also have significant performance
  implications, as the browser cannot pipeline or multiple connections
  for the requests. Because browsers cannot easily detect that
  one-time-nonces are being used, this may lead to browsers trying to
  pipeline requests and receiving 401 responses for all but the first
  request, requiring the browser to resend the requests. Note also that
  the protection against reply attacks only makes sense for dynamically
  generated content and things like POST requests; for static content
  the attacker may already have the complete response, so one-time-nonces
  do not make sense here.
  -->
  
  <HR>
  <H2><A NAME="authdigestnonceformat">AuthDigestNonceFormat</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestNonceFormat <EM>???</EM><BR>
  <A
   HREF="directive-dict.html#Default"
   REL="Help"
  ><STRONG>Default:</STRONG></A> <CODE>AuthDigestNonceFormat ???</CODE><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P><STRONG>Not implemented yet.</STRONG>
  <!--
  <P>The AuthDigestNonceFormat directive determines how the nonce is
  generated.
  -->
  
  <HR>
  <H2><A NAME="authdigestnccheck">AuthDigestNcCheck</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestNcCheck <EM>On/Off</EM><BR>
  <A
   HREF="directive-dict.html#Default"
   REL="Help"
  ><STRONG>Default:</STRONG></A> <CODE>AuthDigestNcCheck Off</CODE><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> server config<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> <EM>Not applicable</EM><BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P><STRONG>Not implemented yet.</STRONG>
  <!--
  <P>The AuthDigestNcCheck directive enables or disables the checking of the
  nonce-count sent by the server.
  
  <P>While recommended from a security standpoint, turning this directive
  On has one important performance implication. To check the nonce-count
  *all* requests (which have an Authorization header, irrespective of
  whether they require digest authentication) must be serialized through
  a critical section. If the server is handling a large number of
  requests which contain the Authorization header then this may noticeably
  impact performance.
  -->
  
  <HR>
  <H2><A NAME="authdigestalgorithm">AuthDigestAlgorithm</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestAlgorithm <EM>MD5 | MD5-sess</EM><BR>
  <A
   HREF="directive-dict.html#Default"
   REL="Help"
  ><STRONG>Default:</STRONG></A> <CODE>AuthDigestAlgorithm MD5</CODE><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P>The AuthDigestAlgorithm directive selects the algorithm used to calculate
  the challenge and response hashes.
  
  <P><STRONG><EM>MD5-sess</EM> is not correctly implemented yet</STRONG>.
  <!--
  <P>To use <EM>MD5-sess</EM> you must first code up the
  <VAR>get_userpw_hash()</VAR> function in <VAR>mod_auth_digest.c</VAR>
.
  -->
  
  <HR>
  <H2><A NAME="authdigestdomain">AuthDigestDomain</A></H2>
  <A
   HREF="directive-dict.html#Syntax"
   REL="Help"
  ><STRONG>Syntax:</STRONG></A> AuthDigestDomain <EM>URI URI ...</EM><BR>
  <A
   HREF="directive-dict.html#Context"
   REL="Help"
  ><STRONG>Context:</STRONG></A> directory, .htaccess<BR>
  <A
   HREF="directive-dict.html#Override"
   REL="Help"
  ><STRONG>Override:</STRONG></A> AuthConfig<BR>
  <A
   HREF="directive-dict.html#Status"
   REL="Help"
  ><STRONG>Status:</STRONG></A> Base<BR>
  <A
   HREF="directive-dict.html#Module"
   REL="Help"
  ><STRONG>Module:</STRONG></A> mod_auth_digest<BR>
  <A
   HREF="directive-dict.html#Compatibility"
   REL="Help"
  ><STRONG>Compatibility:</STRONG></A> Available in Apache 1.3.8 and
later
  
  <P>The AuthDigestDomain directive allows you to specify one or more URIs
  which are in the same protection space (i.e. use the same realm and
  username/password info). The specified URIs are prefixes, i.e. the client
  will assume that all URIs "below" these are also protected by the same
  username/password. The URIs may be either absolute URIs (i.e. inluding a
  scheme, host, port, etc) or relative URIs.
  
  <P>This directive <em>should</em> always be specified and contain at least
  the (set of) root URI(s) for this space. Omiting to do so will cause the
  client to send the Authorization header for <em>every request</em> sent to
  this server. Apart from increasing the size of the request, it may also
  have a detrimental effect on performance if "AuthDigestNcCheck" is on.
  
  <P>The URIs specified can also point to different servers, in which case
  clients (which understand this) will then share username/password info
  across multiple servers without prompting the user each time.
  
  
  <HR>
  
  <H3><A NAME="usingdigest">Using Digest Authentication</A></H3>
  
  <P>Using MD5 Digest authentication is very simple. Simply set up
  authentication normally, using "AuthType Digest" and "AuthDigestFile"
  instead of the normal "AuthType Basic" and "AuthUserFile"; also,
  replace any "AuthGroupFile" with "AuthDigestGroupFile". Then add a
  "AuthDigestDomain" directive containing at least the root URI(s) for
  this protection space. Example:
  
  <PRE>
    &lt;Location /private/&gt;
    AuthType Digest
    AuthName "private area"
    AuthDigestDomain /private/ http://mirror.my.dom/private2/
    AuthDigestFile /web/auth/.digest_pw
    require valid-user
    &lt;/Location&gt;
  </PRE>
  
  <P><strong>Note:</strong> MD5 authentication provides a more secure
  password system than Basic authentication, but only works with supporting
  browsers. As of this writing (July 1999), the only major browsers which
  support digest authentication are <A
  HREF="http://www.microsoft.com/windows/ie/">Internet Exploder 5.0</A> and
  <A HREF="http://www.w3.org/Amaya/">Amaya</A>. Therefore, we do not
  recommend using this feature on a large Internet site. However, for
  personal and intra-net use, where browser users can be controlled, it is
  ideal.
  
  <!--#include virtual="footer.html" -->
  </BODY>
  </HTML>
  
  
  
  

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