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   8 <title>mod_authn_anon - Apache HTTP Server</title>
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  22 <div id="preamble"><h1>Apache Module mod_authn_anon</h1>
  23 <div class="toplang">
  24 <p><span>Available Languages: </span><a href="../en/mod/mod_authn_anon.html" title="English">&nbsp;en&nbsp;</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">Module Identifier:</a></th><td>authn_anon_module</td></tr>
  30 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_authn_anon.c</td></tr>
  31 <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.1 and later</td></tr></table>
  32 <h3>Summary</h3>
  33
  34     <p>This module provides authentication front-ends such as
  35     <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code> to authenticate users similar
  36     to anonymous-ftp sites, <em>i.e.</em> have a 'magic' user id
  37     'anonymous' and the email address as a password. These email
  38     addresses can be logged.</p>
  39
  40     <p>Combined with other (database) access control methods, this
  41     allows for effective user tracking and customization according
  42     to a user profile while still keeping the site open for
  43     'unregistered' users. One advantage of using Auth-based user
  44     tracking is that, unlike magic-cookies and funny URL
  45     pre/postfixes, it is completely browser independent and it
  46     allows users to share URLs.</p>
  47
  48     <p>When using <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>, this module is invoked
  49     via the <code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code>
  50     directive with the <code>anon</code> value.</p>
  51 </div>
  52 <div id="quickview"><h3 class="directives">Directives</h3>
  53 <ul id="toc">
  54 <li><img alt="" src="../images/down.gif" /> <a href="#anonymous">Anonymous</a></li>
  55 <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_logemail">Anonymous_LogEmail</a></li>
  56 <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_mustgiveemail">Anonymous_MustGiveEmail</a></li>
  57 <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_nouserid">Anonymous_NoUserID</a></li>
  58 <li><img alt="" src="../images/down.gif" /> <a href="#anonymous_verifyemail">Anonymous_VerifyEmail</a></li>
  59 </ul>
  60 <h3>Topics</h3>
  61 <ul id="topics">
  62 <li><img alt="" src="../images/down.gif" /> <a href="#example">Example</a></li>
  63 </ul></div>
  64 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  65 <div class="section">
  66 <h2><a name="example" id="example">Example</a></h2>
  67     <p>The example below is combined with "normal" htpasswd-file based
  68     authentication and allows users in additionally as 'guests' with the
  69     following properties:</p>
  70
  71     <ul>
  72       <li>It insists that the user enters a userId.
  73       (<code class="directive"><a href="#anonymous_nouserid">Anonymous_NoUserId</a></code>)</li>
  74
  75       <li>It insists that the user enters a password.
  76       (<code class="directive"><a href="#anonymous_mustgiveemail">Anonymous_MustGiveEmail</a></code>)</li>
  77
  78       <li>The password entered must be a valid email address, <em>i.e.</em>
  79       contain at least one '@' and a '.'.
  80       (<code class="directive"><a href="#anonymous_verifyemail">Anonymous_VerifyEmail</a></code>)</li>
  81
  82       <li>The userID must be one of <code>anonymous guest www test
  83       welcome</code> and comparison is <strong>not</strong> case
  84       sensitive.</li>
  85
  86       <li>And the Email addresses entered in the passwd field are
  87       logged to the error log file
  88       (<code class="directive"><a href="#anonymous_logemail">Anonymous_LogEmail</a></code>)</li>
  89     </ul>
  90
  91     <div class="example"><h3>Example</h3><p><code>
  92       &lt;Directory /foo&gt;
  93       <span class="indent">
  94         AuthName "Use 'anonymous' &amp; Email address for guest entry"<br />
  95         AuthType Basic<br />
  96         AuthBasicProvider file anon<br />
  97         AuthUserFile /path/to/your/.htpasswd<br />
  98         <br />
  99         Anonymous_NoUserId off<br />
 100         Anonymous_MustGiveEmail on<br />
 101         Anonymous_VerifyEmail on<br />
 102         Anonymous_LogEmail on<br />
 103         Anonymous anonymous guest www test welcome<br />
 104         <br />
 105         Order Deny,Allow<br />
 106         Allow from all<br />
 107         <br />
 108         Require valid-user<br />
 109       </span>
 110       &lt;/Directory&gt;
 111     </code></p></div>
 112 </div>
 113 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 114 <div class="directive-section"><h2><a name="Anonymous" id="Anonymous">Anonymous</a> <a name="anonymous" id="anonymous">Directive</a></h2>
 115 <table class="directive">
 116 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies userIDs that areallowed access without
 117 password verification</td></tr>
 118 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous <var>user</var> [<var>user</var>] ...</code></td></tr>
 119 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
 120 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
 121 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 122 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
 123 </table>
 124     <p>A list of one or more 'magic' userIDs which are allowed
 125     access without password verification. The userIDs are space
 126     separated. It is possible to use the ' and " quotes to allow a
 127     space in a userID as well as the \ escape character.</p>
 128
 129     <p>Please note that the comparison is
 130     <strong>case-IN-sensitive</strong>.<br />
 131     It's strongly recommended that the magic username
 132     '<code>anonymous</code>' is always one of the allowed
 133     userIDs.</p>
 134
 135     <div class="example"><h3>Example:</h3><p><code>
 136       Anonymous anonymous "Not Registered" "I don't know"
 137     </code></p></div>
 138
 139     <p>This would allow the user to enter without password
 140     verification by using the userIDs "anonymous",
 141     "AnonyMous", "Not Registered" and "I Don't Know".</p>
 142
 143 </div>
 144 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 145 <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>
 146 <table class="directive">
 147 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether the password entered will be logged in the
 148 error log</td></tr>
 149 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_LogEmail On|Off</code></td></tr>
 150 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_LogEmail On</code></td></tr>
 151 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
 152 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
 153 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 154 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
 155 </table>
 156     <p>When set <code>On</code>, the default, the 'password' entered
 157     (which hopefully contains a sensible email address) is logged in
 158     the error log.</p>
 159
 160 </div>
 161 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 162 <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>
 163 <table class="directive">
 164 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies whether blank passwords are allowed</td></tr>
 165 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_MustGiveEmail On|Off</code></td></tr>
 166 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_MustGiveEmail On</code></td></tr>
 167 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
 168 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
 169 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 170 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
 171 </table>
 172     <p>Specifies whether the user must specify an email address as
 173     the password. This prohibits blank passwords.</p>
 174
 175 </div>
 176 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 177 <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>
 178 <table class="directive">
 179 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether the userID field may be empty</td></tr>
 180 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_NoUserID On|Off</code></td></tr>
 181 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_NoUserID Off</code></td></tr>
 182 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
 183 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
 184 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 185 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
 186 </table>
 187     <p>When set <code>On</code>, users can leave the userID (and
 188     perhaps the password field) empty. This can be very convenient for
 189     MS-Explorer users who can just hit return or click directly on the
 190     OK button; which seems a natural reaction.</p>
 191
 192 </div>
 193 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 194 <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>
 195 <table class="directive">
 196 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether to check the password field for a correctly
 197 formatted email address</td></tr>
 198 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_VerifyEmail On|Off</code></td></tr>
 199 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_VerifyEmail Off</code></td></tr>
 200 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
 201 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
 202 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 203 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
 204 </table>
 205     <p>When set <code>On</code> the 'password' entered is checked for
 206     at least one '@' and a '.' to encourage users to enter valid email
 207     addresses (see the above <code class="directive"><a href="#anonymous_logemail">Anonymous_LogEmail</a></code>).</p>
 208
 209 </div>
 210 </div>
 211 <div class="bottomlang">
 212 <p><span>Available Languages: </span><a href="../en/mod/mod_authn_anon.html" title="English">&nbsp;en&nbsp;</a></p>
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