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	<title>SharePoint Geek &#187; sharepoint security</title>
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		<title>A potentially dangerous Request.Form value</title>
		<link>http://sharepoint-geek.com/2010/01/07/a-potentially-dangerous-request-form-value/</link>
		<comments>http://sharepoint-geek.com/2010/01/07/a-potentially-dangerous-request-form-value/#comments</comments>
		<pubDate>Thu, 07 Jan 2010 18:00:00 +0000</pubDate>
		<dc:creator>stewart</dc:creator>
				<category><![CDATA[MOSS]]></category>
		<category><![CDATA[errors]]></category>
		<category><![CDATA[logs]]></category>
		<category><![CDATA[sharepoint security]]></category>
		<category><![CDATA[web.config]]></category>
		<category><![CDATA[wss]]></category>
		<category><![CDATA[Sharepoint]]></category>
		<category><![CDATA[sql]]></category>

		<guid isPermaLink="false">http://sharepoint-geek.com/2010/01/07/a-potentially-dangerous-request-form-value/</guid>
		<description><![CDATA[We were having trouble adding a user to a site collection.&#160; Every time we hit the search button or clicked the check userid button the system would just sit there and spin. I added the following section of the web.config to resolve the issue. &#60;/compilation&#62; &#60;pages enableSessionState=&#34;false&#34; enableViewState=&#34;true&#34; enableViewStateMac=&#34;true&#34; validateRequest=&#34;false&#34; pageParserFilterType=&#34;Microsoft.SharePoint.ApplicationRuntime.SPPageParserFilter, Microsoft.SharePoint, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c&#34; [...]]]></description>
			<content:encoded><![CDATA[<p>We were having trouble adding a user to a site collection.&#160; Every time we hit the search button or clicked the check userid button the system would just sit there and spin. I added the following section of the web.config to resolve the issue.</p>
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<pre class="csharpcode"><span class="kwrd">&lt;/</span><span class="html">compilation</span><span class="kwrd">&gt;</span>
  <span class="kwrd">&lt;</span><span class="html">pages</span> <span class="attr">enableSessionState</span><span class="kwrd">=&quot;false&quot;</span> <span class="attr">enableViewState</span><span class="kwrd">=&quot;true&quot;</span> <span class="attr">enableViewStateMac</span><span class="kwrd">=&quot;true&quot;</span> <span class="attr">validateRequest</span><span class="kwrd">=&quot;false&quot;</span> <span class="attr">pageParserFilterType</span><span class="kwrd">=&quot;Microsoft.<a href="http://sharepoint-geek.com/tag/sharepoint/" class="st_tag internal_tag" rel="tag" title="Posts tagged with Sharepoint">SharePoint</a>.ApplicationRuntime.SPPageParserFilter, Microsoft.<a href="http://sharepoint-geek.com/tag/sharepoint/" class="st_tag internal_tag" rel="tag" title="Posts tagged with Sharepoint">SharePoint</a>, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c&quot;</span> <span class="attr">asyncTimeout</span><span class="kwrd">=&quot;7&quot;</span><span class="kwrd">&gt;</span>
    <span class="kwrd">&lt;</span><span class="html">namespaces</span><span class="kwrd">&gt;</span>
      <span class="kwrd">&lt;</span><span class="html">remove</span> <span class="attr">namespace</span><span class="kwrd">=&quot;System.Web.UI.WebControls.WebParts&quot;</span> <span class="kwrd">/&gt;</span>
    <span class="kwrd">&lt;/</span><span class="html">namespaces</span><span class="kwrd">&gt;</span>
    <span class="kwrd">&lt;</span><span class="html">tagMapping</span><span class="kwrd">&gt;</span>
      <span class="kwrd">&lt;</span><span class="html">add</span> <span class="attr">tagType</span><span class="kwrd">=&quot;System.Web.UI.WebControls.SqlDataSource, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a&quot;</span> <span class="attr">mappedTagType</span><span class="kwrd">=&quot;Microsoft.<a href="http://sharepoint-geek.com/tag/sharepoint/" class="st_tag internal_tag" rel="tag" title="Posts tagged with Sharepoint">SharePoint</a>.WebControls.SPSqlDataSource, Microsoft.<a href="http://sharepoint-geek.com/tag/sharepoint/" class="st_tag internal_tag" rel="tag" title="Posts tagged with Sharepoint">SharePoint</a>, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c&quot;</span> <span class="kwrd">/&gt;</span>
    <span class="kwrd">&lt;/</span><span class="html">tagMapping</span><span class="kwrd">&gt;</span>
  <span class="kwrd">&lt;/</span><span class="html">pages</span><span class="kwrd">&gt;</span>
<span class="kwrd">&lt;</span><span class="html">siteMap</span> <span class="attr">defaultProvider</span><span class="kwrd">=&quot;SPSiteMapProvider&quot;</span> <span class="attr">enabled</span><span class="kwrd">=&quot;true&quot;</span><span class="kwrd">&gt;</span></pre>
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<p>The error that we were getting in the trace logs is similar to below.</p>
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<pre class="csharpcode">Exception Type: System.Web.HttpRequestValidationException  Exception Message: A potentially dangerous Request.Form value was detected from the client (ctl00$PlaceHolderDialogBodySection$ctl04$OriginalEntities=&quot;&lt;Entities /&gt;&quot;).</pre>
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<p>via <a href="http://blog.solien.com/archive/2009/10/27/sharepoint-a-potentially-dangerous-request.form-value-was-detected-from-the.aspx" target="_blank">Solien Technology</a></p>

	Tags: <a href="http://sharepoint-geek.com/category/errors/" title="errors" rel="tag">errors</a>, <a href="http://sharepoint-geek.com/category/logs/" title="logs" rel="tag">logs</a>, <a href="http://sharepoint-geek.com/category/moss/" title="MOSS" rel="tag">MOSS</a>, <a href="http://sharepoint-geek.com/tag/sharepoint/" title="Sharepoint" rel="tag">Sharepoint</a>, <a href="http://sharepoint-geek.com/category/sharepoint-security/" title="sharepoint security" rel="tag">sharepoint security</a>, <a href="http://sharepoint-geek.com/tag/sql/" title="sql" rel="tag">sql</a>, <a href="http://sharepoint-geek.com/category/web-config/" title="web.config" rel="tag">web.config</a>, <a href="http://sharepoint-geek.com/category/wss/" title="wss" rel="tag">wss</a><br />

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	<li><a href="http://sharepoint-geek.com/2009/05/21/unable-to-activate-office-sharepoint-server-publishing-infrastructure/" title="Unable To Activate Office SharePoint Server Publishing Infrastructure (May 21, 2009)">Unable To Activate Office SharePoint Server Publishing Infrastructure</a> (0)</li>
</ul>

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		</item>
		<item>
		<title>Enabling Anonymous Access</title>
		<link>http://sharepoint-geek.com/2009/12/22/enabling-anonymous-access/</link>
		<comments>http://sharepoint-geek.com/2009/12/22/enabling-anonymous-access/#comments</comments>
		<pubDate>Tue, 22 Dec 2009 23:22:00 +0000</pubDate>
		<dc:creator>stewart</dc:creator>
				<category><![CDATA[Central Administration]]></category>
		<category><![CDATA[Windows SharePoint Services Web Application]]></category>
		<category><![CDATA[sharepoint security]]></category>
		<category><![CDATA[site collection]]></category>
		<category><![CDATA[site settings]]></category>
		<category><![CDATA[user site settings]]></category>
		<category><![CDATA[Sharepoint]]></category>

		<guid isPermaLink="false">http://sharepoint-geek.com/2009/12/22/enabling-anonymous-access/</guid>
		<description><![CDATA[There are several steps that you need to take in order to enable anonymous access.&#160; Below are the steps taken from Microsoft TechNet. Enable anonymous access for a zone of a Web application From Administrative Tools, open the SharePoint Central Administration Web site application. On the Central Administration home page, click Application Management. On the [...]]]></description>
			<content:encoded><![CDATA[<p>There are several steps that you need to take in order to enable anonymous access.&#160; Below are the steps taken from <a href="http://technet.microsoft.com/en-us/library/cc263363.aspx" target="_blank">Microsoft TechNet</a>.</p>
<h5>Enable anonymous access for a zone of a Web application</h5>
<ol>
<li>
<p>From <strong>Administrative Tools</strong>, open the <a href="http://sharepoint-geek.com/tag/sharepoint/" class="st_tag internal_tag" rel="tag" title="Posts tagged with Sharepoint">SharePoint</a> Central Administration Web site application.</p>
</li>
<li>
<p>On the Central Administration home page, click <strong>Application Management</strong>.</p>
</li>
<li>
<p>On the Application Management page, in the <strong>Application Security</strong> section, click <strong>Authentication providers</strong>.</p>
</li>
<li>
<p>On the Authentication Providers page, make sure the Web application that is listed in the <strong>Web Application</strong> box (under <strong>Site Actions</strong>) is the one that you want to configure. If the listed Web application is not the one that you want to configure, click the drop-down arrow to the right of the <strong>Web Application</strong> drop-down list box and select <strong>Change Web Application</strong>.</p>
</li>
<li>
<p>In the <strong>Select Web Application</strong> dialog box, click the Web application that you want to configure.</p>
</li>
<li>
<p>On the Authentication Providers page, click the zone of the Web application on which you want to enable anonymous access. The zones that are configured for the selected Web application are listed on the Authentication Providers page.</p>
</li>
<li>
<p>On the Edit Authentication page, in the <strong>Anonymous Access</strong> section, select <strong>Enable Anonymous Access</strong>, and then click <strong>Save</strong>.</p>
</li>
</ol>
<p>At this point, the Web application zone has been enabled for anonymous access. </p>
<p><a></a></p>
<h3>Enable anonymous access for individual sites</h3>
<p>Now you need to enable anonymous access for individual sites in the site collection.</p>
<h5>Enable anonymous access for individual sites</h5>
<ol>
<li>
<p>Go to the site on which you want to enable anonymous access and click the <strong>Site Actions</strong> menu.</p>
</li>
<li>
<p>On the <strong>Site Actions</strong> menu, click <strong>Site Settings</strong>.</p>
</li>
<li>
<p>On the Site Settings page, in the <strong>Users and Permissions</strong> section, click <strong>Advanced Permissions</strong>.</p>
</li>
<li>
<p>On the Permissions page, on the <strong>Settings</strong> menu, click <strong>Anonymous Access</strong>. The settings for anonymous access lists three options:</p>
<ul>
<li>
<p><strong>Entire Web site</strong>&#160;&#160; Select this option if you want to enable anonymous access for the entire Web site.</p>
</li>
<li>
<p><strong>Lists and libraries</strong>&#160;&#160; Select this option if you want to limit anonymous access to only the lists and libraries on your site.</p>
</li>
<li>
<p><strong>Nothing</strong>&#160;&#160; Select this option if you want to prevent anonymous access from being used on your site.</p>
</li>
</ul>
</li>
<li>
<p>Click <strong>OK</strong>.</p>
</li>
</ol>
<p>At this point, your site is configured for anonymous access based on the options that you have selected.</p>
<p><a></a></p>
<h3>Enable anonymous access for individual lists</h3>
<p>If you select <strong>Lists and libraries</strong>, enable anonymous access for individual lists.</p>
<h5>Enable anonymous access for individual lists</h5>
<ol>
<li>
<p>Go to the home page of your Web site and, in the left navigation pane, click <strong>View All Site Content</strong>.</p>
</li>
<li>
<p>Click the list on which you want to enable anonymous access.</p>
</li>
<li>
<p>On the <strong>Settings</strong> menu, click <strong>List Settings</strong>.</p>
</li>
<li>
<p>On the Customize List page, in the <strong>Permissions and Management</strong> section, click <strong>Permissions for this list</strong>.</p>
</li>
<li>
<p>On the Permissions page, on the <strong>Actions</strong> menu, click <strong>Edit Permissions</strong>. A dialog box is displayed informing you that you are about to create unique permissions for this list. Click <strong>OK</strong>.</p>
</li>
<li>
<p>On the <strong>Settings</strong> menu, click <strong>Anonymous Access</strong>.</p>
</li>
<li>
<p>Select permissions for users who have anonymous access to the list, and then click <strong>OK</strong>.</p>
</li>
</ol>
<p>At this point, users have anonymous access to the list you have configured. You can control whether users have anonymous access to other lists, the home page, or other pages on this site.</p>

	Tags: <a href="http://sharepoint-geek.com/category/central-administration/" title="Central Administration" rel="tag">Central Administration</a>, <a href="http://sharepoint-geek.com/tag/sharepoint/" title="Sharepoint" rel="tag">Sharepoint</a>, <a href="http://sharepoint-geek.com/category/sharepoint-security/" title="sharepoint security" rel="tag">sharepoint security</a>, <a href="http://sharepoint-geek.com/category/site-collection/" title="site collection" rel="tag">site collection</a>, <a href="http://sharepoint-geek.com/category/site-settings/" title="site settings" rel="tag">site settings</a>, <a href="http://sharepoint-geek.com/category/user-site-settings/" title="user site settings" rel="tag">user site settings</a>, <a href="http://sharepoint-geek.com/category/windows-sharepoint-services-web-application/" title="Windows SharePoint Services Web Application" rel="tag">Windows SharePoint Services Web Application</a><br />

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