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  8. <title>mod_auth_anon - Apache HTTP Server</title>
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  21. <div id="page-content">
  22. <div id="preamble"><h1>Apache Module mod_auth_anon</h1>
  23. <div class="toplang">
  24. <p><span>Available Languages: </span><a href="../en/mod/mod_auth_anon.html" title="English"> en </a></p>
  25. </div>
  26. <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Allows "anonymous" user access to authenticated
  27. areas</td></tr>
  28. <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  29. <tr><th><a href="module-dict.html#ModuleIdentifier">ModuleáIdentifier:</a></th><td>auth_anon_module</td></tr>
  30. <tr><th><a href="module-dict.html#SourceFile">SourceáFile:</a></th><td>mod_auth_anon.c</td></tr>
  31. <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available only in versions prior to 2.1</td></tr></table>
  32. <h3>Summary</h3>
  33.  
  34.     <p>This module does access control in a manner similar to
  35.     anonymous-ftp sites; <em>i.e.</em> have a 'magic' user id
  36.     'anonymous' and the email address as a password. These email
  37.     addresses can be logged.</p>
  38.  
  39.     <p>Combined with other (database) access control methods, this
  40.     allows for effective user tracking and customization according
  41.     to a user profile while still keeping the site open for
  42.     'unregistered' users. One advantage of using Auth-based user
  43.     tracking is that, unlike magic-cookies and funny URL
  44.     pre/postfixes, it is completely browser independent and it
  45.     allows users to share URLs.</p>
  46. </div>
  47. <div id="quickview"><h3 class="directives">Directives</h3>
  48. <ul id="toc">
  49. <li><img alt="" src="../images/down.gif" /> <a href="#anonymous">Anonymous</a></li>
  50. <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_authoritative">Anonymous_Authoritative</a></li>
  51. <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_logemail">Anonymous_LogEmail</a></li>
  52. <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_mustgiveemail">Anonymous_MustGiveEmail</a></li>
  53. <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_nouserid">Anonymous_NoUserID</a></li>
  54. <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_verifyemail">Anonymous_VerifyEmail</a></li>
  55. </ul>
  56. <h3>Topics</h3>
  57. <ul id="topics">
  58. <li><img alt="" src="../images/down.gif" /> <a href="#example">Example</a></li>
  59. </ul></div>
  60. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  61. <div class="section">
  62. <h2><a name="example" id="example">Example</a></h2>
  63.  
  64.     <p>The example below (when combined with the Auth directives of a
  65.     htpasswd-file based (or GDM, mSQL etc.) base access
  66.     control system allows users in as 'guests' with the following
  67.     properties:</p>
  68.  
  69.     <ul>
  70.       <li>It insists that the user enters a userId.
  71.       (<code>Anonymous_NoUserId</code>)</li>
  72.  
  73.       <li>It insists that the user enters a password.
  74.       (<code>Anonymous_MustGiveEmail</code>)</li>
  75.  
  76.       <li>The password entered must be a valid email address, ie.
  77.       contain at least one '@' and a '.'.
  78.       (<code>Anonymous_VerifyEmail</code>)</li>
  79.  
  80.       <li>The userID must be one of <code>anonymous guest www test
  81.       welcome</code> and comparison is <strong>not</strong> case
  82.       sensitive.</li>
  83.  
  84.       <li>And the Email addresses entered in the passwd field are
  85.       logged to the error log file
  86.       (<code>Anonymous_LogEmail</code>)</li>
  87.     </ul>
  88.  
  89.     <div class="example"><h3>Excerpt of httpd.conf:</h3><p><code>
  90.       Anonymous_NoUserId off<br />
  91.       Anonymous_MustGiveEmail on<br />
  92.       Anonymous_VerifyEmail on<br />
  93.       Anonymous_LogEmail on<br />
  94.       Anonymous anonymous guest www test welcome<br />
  95.       <br />
  96.       AuthName "Use 'anonymous' & Email address for guest entry"<br />
  97.       AuthType basic<br />
  98.       <br />
  99.       # An
  100.       AuthUserFile/AuthDBUserFile/AuthDBMUserFile<br />
  101.       # directive must be specified, or use<br />
  102.       # Anonymous_Authoritative for public access.<br />
  103.       # In the .htaccess for the public directory, add:<br />
  104.       <Files *><br />
  105.       <span class="indent">
  106.         Order Deny,Allow<br />
  107.         Allow from all<br />
  108.         <br />
  109.         Require valid-user<br />
  110.       </span>
  111.       </Files>
  112.     </code></p></div>
  113. </div>
  114. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  115. <div class="directive-section"><h2><a name="Anonymous" id="Anonymous">Anonymous</a> <a name="anonymous" id="anonymous">Directive</a></h2>
  116. <table class="directive">
  117. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies userIDs that areallowed access without
  118. password verification</td></tr>
  119. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous <var>user</var> [<var>user</var>] ...</code></td></tr>
  120. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  121. <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  122. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  123. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_anon</td></tr>
  124. </table>
  125.     <p>A list of one or more 'magic' userIDs which are allowed
  126.     access without password verification. The userIDs are space
  127.     separated. It is possible to use the ' and " quotes to allow a
  128.     space in a userID as well as the \ escape character.</p>
  129.  
  130.     <p>Please note that the comparison is
  131.     <strong>case-IN-sensitive</strong>.<br />
  132.      I strongly suggest that the magic username
  133.     '<code>anonymous</code>' is always one of the allowed
  134.     userIDs.</p>
  135.  
  136.     <div class="example"><h3>Example:</h3><p><code>
  137.       Anonymous anonymous "Not Registered" "I don't know"
  138.     </code></p></div>
  139.  
  140.     <p>This would allow the user to enter without password
  141.     verification by using the userIDs "anonymous",
  142.     "AnonyMous", "Not Registered" and "I Don't Know".</p>
  143.  
  144. </div>
  145. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  146. <div class="directive-section"><h2><a name="Anonymous_Authoritative" id="Anonymous_Authoritative">Anonymous_Authoritative</a> <a name="anonymous_authoritative" id="anonymous_authoritative">Directive</a></h2>
  147. <table class="directive">
  148. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Configures if authorization will fall-through
  149. to other methods</td></tr>
  150. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_Authoritative On|Off</code></td></tr>
  151. <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_Authoritative Off</code></td></tr>
  152. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  153. <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  154. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  155. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_anon</td></tr>
  156. </table>
  157.     <p>When set <code>On</code>, there is no fall-through to other
  158.     authentication methods. So if a userID does not match the values
  159.     specified in the <code class="directive"><a href="#anonymous">Anonymous</a></code>
  160.     directive, access is denied.</p>
  161.  
  162.     <p>Be sure you know what you are doing when you decide to
  163.     switch it on. And remember that the order in which the Authentication
  164.     modules are queried is defined in the modules.c files at compile
  165.     time.</p>
  166.  
  167. </div>
  168. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  169. <div class="directive-section"><h2><a name="Anonymous_LogEmail" id="Anonymous_LogEmail">Anonymous_LogEmail</a> <a name="anonymous_logemail" id="anonymous_logemail">Directive</a></h2>
  170. <table class="directive">
  171. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether the password entered will be logged in the
  172. error log</td></tr>
  173. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_LogEmail On|Off</code></td></tr>
  174. <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_LogEmail On</code></td></tr>
  175. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  176. <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  177. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  178. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_anon</td></tr>
  179. </table>
  180.     <p>When set <code>On</code>, the default, the 'password' entered
  181.     (which hopefully contains a sensible email address) is logged in
  182.     the error log.</p>
  183.  
  184. </div>
  185. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  186. <div class="directive-section"><h2><a name="Anonymous_MustGiveEmail" id="Anonymous_MustGiveEmail">Anonymous_MustGiveEmail</a> <a name="anonymous_mustgiveemail" id="anonymous_mustgiveemail">Directive</a></h2>
  187. <table class="directive">
  188. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies whether blank passwords are allowed</td></tr>
  189. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_MustGiveEmail On|Off</code></td></tr>
  190. <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_MustGiveEmail On</code></td></tr>
  191. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  192. <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  193. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  194. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_anon</td></tr>
  195. </table>
  196.     <p>Specifies whether the user must specify an email address as
  197.     the password. This prohibits blank passwords.</p>
  198.  
  199. </div>
  200. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  201. <div class="directive-section"><h2><a name="Anonymous_NoUserID" id="Anonymous_NoUserID">Anonymous_NoUserID</a> <a name="anonymous_nouserid" id="anonymous_nouserid">Directive</a></h2>
  202. <table class="directive">
  203. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether the userID field may be empty</td></tr>
  204. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_NoUserID On|Off</code></td></tr>
  205. <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_NoUserID Off</code></td></tr>
  206. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  207. <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  208. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  209. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_anon</td></tr>
  210. </table>
  211.     <p>When set <code>On</code>, users can leave the userID (and
  212.     perhaps the password field) empty. This can be very convenient for
  213.     MS-Explorer users who can just hit return or click directly on the
  214.     OK button; which seems a natural reaction.</p>
  215.  
  216. </div>
  217. <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  218. <div class="directive-section"><h2><a name="Anonymous_VerifyEmail" id="Anonymous_VerifyEmail">Anonymous_VerifyEmail</a> <a name="anonymous_verifyemail" id="anonymous_verifyemail">Directive</a></h2>
  219. <table class="directive">
  220. <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether to check the password field for a correctly
  221. formatted email address</td></tr>
  222. <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_VerifyEmail On|Off</code></td></tr>
  223. <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_VerifyEmail Off</code></td></tr>
  224. <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  225. <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  226. <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  227. <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_anon</td></tr>
  228. </table>
  229.     <p>When set <code>On</code> the 'password' entered is checked for
  230.     at least one '@' and a '.' to encourage users to enter valid email
  231.     addresses (see the above <code class="directive"><a href="#anonymous_logemail">Anonymous_LogEmail</a></code>).</p>
  232.  
  233. </div>
  234. </div>
  235. <div class="bottomlang">
  236. <p><span>Available Languages: </span><a href="../en/mod/mod_auth_anon.html" title="English"> en </a></p>
  237. </div><div id="footer">
  238. <p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
  239. <p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div>
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