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You can view its source [e]" accesskey="e">View source</a></li><li id="ca-history"><a href="/web/20160801030619/https://docs.joomla.org/index.php?title=IIS&action=history" title="Past revisions of this page [h]" accesskey="h">History</a></li> </ul> <article id="content"> <h1 class="title">IIS</h1> <h3 id="tagline"></h3> <div id="social">  <div class="addthis_toolbox addthis_default_style addthis_16x16_style"> <a class="addthis_button_twitter"></a> <a class="addthis_button_facebook"></a> <a class="addthis_button_google_plusone_share"></a> <a class="addthis_button_linkedin"></a> <a class="addthis_button_pinterest_share"></a> <a class="addthis_button_email"></a> <a class="addthis_button_compact"></a><a class="addthis_counter addthis_bubble_style"></a> </div>   </div> <h5 class="subtitle"></h5> <div class="clear_both"></div> <div class="mw-bodytext"> <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="hf-nsheader"></div><div class="hf-header"></div><p>Whilst IIS (Internet Information Services, a Microsoft web server) accounts for relatively few users, compared to Apache, there are enough to warrant providing information which is unique.</p> <p>PHP can run on IIS, so a Joomla! web site also can run on IIS.</p> <p>The PHP.net website should be referenced, regarding the installation of PHP on Windows and the configuration of IIS to process PHP webpages and scripts.</p> <p>To get started, here are some helpful links for developers who want to install PHP and Joomla! on IIS.</p> <ul> <li>Install Joomla for Windows and IIS using the Web Platform Installer - <a rel="nofollow" target="_blank" class="external free" href="https://web.archive.org/web/20160801030619/http://www.microsoft.com/web/joomla">http://www.microsoft.com/web/joomla</a></li> <li>PHP on Windows and IIS; building an IIS-optimized PHP - <a rel="nofollow" target="_blank" class="external free" href="https://web.archive.org/web/20160801030619/http://www.microsoft.com/web/php">http://www.microsoft.com/web/php</a></li> </ul> <p>The two most common problems encountered by Joomla! admins whose sites are on IIS webservers are:</p> <ul> <li>Setting the website's directory/filesystem permissions correctly</li> <li>Enabling SEF URLs</li> </ul> <p></p> <div id="toc" class="toc"> <div id="toctitle"> <h2>Contents</h2> </div> <ul> <li class="toclevel-1 tocsection-1"><a href="#Setting_the_filesystem_permissions"><span class="tocnumber">1</span> <span class="toctext">Setting the filesystem permissions</span></a> <ul> <li class="toclevel-2 tocsection-2"><a href="#Conceptual_Overview"><span class="tocnumber">1.1</span> <span class="toctext">Conceptual Overview</span></a> <ul> <li class="toclevel-3 tocsection-3"><a href="#Levels"><span class="tocnumber">1.1.1</span> <span class="toctext">Levels</span></a></li> <li class="toclevel-3 tocsection-4"><a href="#Values"><span class="tocnumber">1.1.2</span> <span class="toctext">Values</span></a></li> </ul> </li> <li class="toclevel-2 tocsection-5"><a href="#HowTo_configure_the_permissions"><span class="tocnumber">1.2</span> <span class="toctext">HowTo configure the permissions</span></a></li> </ul> </li> <li class="toclevel-1 tocsection-6"><a href="#Search_Engine_Friendly_URLs"><span class="tocnumber">2</span> <span class="toctext">Search Engine Friendly URLs</span></a> <ul> <li class="toclevel-2 tocsection-7"><a href="#Apache.27s_mod_rewrite"><span class="tocnumber">2.1</span> <span class="toctext">Apache's mod_rewrite</span></a></li> <li class="toclevel-2 tocsection-8"><a href="#IIS"><span class="tocnumber">2.2</span> <span class="toctext">IIS</span></a></li> </ul> </li> <li class="toclevel-1 tocsection-9"><a href="#Restricting_access_to_the_backend_by_IP_address"><span class="tocnumber">3</span> <span class="toctext">Restricting access to the backend by IP address</span></a></li> </ul> </div> <p></p> <h2><span class="mw-headline" id="Setting_the_filesystem_permissions">Setting the filesystem permissions</span></h2> <h3><span class="mw-headline" id="Conceptual_Overview">Conceptual Overview</span></h3> <p>Windows filesystem permissions are more complex than the 3-level, 3-value Unix-style <code>rw-r--r--</code> conventions.</p> <p>Windows servers have a user called <code>IUSR</code>, which corresponds to the <code>apache</code> user on many Linux systems. PHP scripts run under the IUSR account. (For IIS 7.5, this may be the group WEB\Users)</p> <h4><span class="mw-headline" id="Levels">Levels</span></h4> <p>A directory or file does have an <code>owner</code>, and Windows does have <code>group</code>s, but there is no <code>"everyone else"</code> under Windows.</p> <p>There is a group called <code>Users</code>. This corresponds to all accounts used by human beings to deliberately interact with the server. But accounts for services, system operations, and software user permisions do not belong to that group, and in fact <b>no</b> accounts at all (human or otherwise) have <b>any</b> privileges which aren't explicitly granted either directly to the user or by membership in some group.</p> <h4><span class="mw-headline" id="Values">Values</span></h4> <p>Beyond <code>Read</code>, <code>Write</code> and <code>Execute</code>, Windows permissions include additional values. The important ones to know about for a Joomla website are <code>Read</code> and <code>Write</code>.</p> <h3><span class="mw-headline" id="HowTo_configure_the_permissions">HowTo configure the permissions</span></h3> <p>When logged in to the Windows server, run Windows Explorer, and navigate to inetpub.</p> <p>Right-click the directory which holds your Joomla site.<br/> Get Properties, tab to Security.<br/> Click ADD.<br/> Make sure that the LOCATION field is set to the local computer, not a domain controller.<br/> Type iis_iusrs into the field for identifying the user/group you are granting access to.<br/> Confirm.<br/> Highlight the iis_iusrs entry in the access control list.<br/> Check the boxes for Read & Execute, List Folder Contents, Read, and Write<br/> Confirm, put the security window away now.<br/> Open Start -. Administrator -> Computer Management.<br/> Navigate to Local Users and Groups -> Groups.<br/> Find or create the group iis_iusrs<br/> Add a member to the group:<br/> again, make sure that the LOCATION field is set to the local computer, not a domain controller.<br/> Type IUSR into the field for identifying the user/group you are granting access to.<br/> Confirm.<br/> Save.<br/></p> <p>Run the Joomla installer again, and enjoy your PHP user's write privileges in your website folder.</p> <h2><span class="mw-headline" id="Search_Engine_Friendly_URLs"><a href="/web/20160801030619/https://docs.joomla.org/Search_Engine_Friendly_URLs" title="Search Engine Friendly URLs">Search Engine Friendly URLs</a></span></h2> <p>The functioning of SEF URLs depends on "URL rewriting" - matching patterns in incoming HTTP requests, and passing the request to the webserver in a different format. Joomla can only understand the parameters present in the "ugly" request, so the human-readable path in the incoming HTTP request needs to be re-written for Joomla.</p> <h3><span class="mw-headline" id="Apache.27s_mod_rewrite">Apache's mod_rewrite</span></h3> <p><code>mod_rewrite</code> is the familiar way by which many webmasters translate nice human-readable, spider-friendly URL requests like <code>/about_us/contact_information</code> into the "ugly" internal server path like <code>/index.php?option=com_content&view=article&id=999&Itemid=23</code> that makes Joomla serve up some content. A text file called .htaccess contains the rewrite rules, which are written according to a specific syntax.</p> <h3><span class="mw-headline" id="IIS">IIS</span></h3> <p>Before Windows Server 2008 and IIS7, only third-party add-ons could add URL rewriting functionality to an IIS webserver. For servers today still running IIS6 or earlier, these are still available. CodePlex is a website and code-sharing developer forge associated with Microsoft, and it hosts at least two good-quality URL rewrite solutions for IIS6. At least one of these modules will parse and execute the same rewrite rules which work in Apache .htaccess files.</p> <p>Windows Server 2008 comes with IIS7, which is the first webserver for which Microsoft provides a native module which provides URL rewriting functionality.</p> <p>The module is called "IIS URL Rewrite Module" and is free to download and install on your IIS7 webserver.</p> <p>The IIS7 module configures and stores its rules in a very different way than the format Apache provides via .htaccess. The rules are stored as XML data in the web.config file in a website's root. The IIS Management Console provides a GUI and wizard for creating and testing rules. The wizard is capable of reading a text file with .htaccess-type rules and converting them to the native format.</p> <p>See <a href="/web/20160801030619/https://docs.joomla.org/Enabling_Search_Engine_Friendly_(SEF)_URLs_on_IIS" title="Enabling Search Engine Friendly (SEF) URLs on IIS">Enabling Search Engine Friendly (SEF) URLs on IIS</a> for instructions.</p> <h2><span class="mw-headline" id="Restricting_access_to_the_backend_by_IP_address"><a href="/web/20160801030619/https://docs.joomla.org/index.php?title=Restricting_access_to_the_backend_by_IP_address&action=edit&redlink=1" class="new" title="Restricting access to the backend by IP address (page does not exist)">Restricting access to the backend by IP address</a></span></h2> <p>You can utilise server based IP protection. If you're running IIS 7.5 on Windows Server 2008, you can use the IP and Domain Security option. Go to the Server Manager MMC panel and select "Roles" and then "Web Server (IIS). From here select "Add Role Services" and in the window that pops up, scroll down to security and select the "IP And Domain Security Option" (see screenshot below) <a href="/web/20160801030619/https://docs.joomla.org/File:IPrestrictionIIS.jpg" class="image"><img alt="IPrestrictionIIS.jpg" src="/web/20160801030619im_/https://docs.joomla.org/images/6/6b/IPrestrictionIIS.jpg" width="776" height="585"/></a> and then hit next to install. Once you've got it installed, open up the IIS Manager MMC panel (if you have it open already, you will need to restart it for the appropriate panel to appear; this also means the server manager one might not be useful to you) and navigate down to the administrator directory of the site. Click on the "IPv4 Address and Domain Restrictions". You can change the default behaviour by clicking "Edit Feature Settings" and setting the default value for unspecified clients to deny. Then add allow entries for your trusted IP addresses or subnets. Check out the following article for details as well: [<a rel="nofollow" target="_blank" class="external autonumber" href="https://web.archive.org/web/20160801030619/http://www.iis.net/ConfigReference/system.webServer/security/ipSecurity">[1]</a>] (thanks to Sam Moffat for above info)</p>   <div class="hf-footer"></div><div class="hf-nsfooter"></div></div><div class="printfooter"> Retrieved from "<a href="https://web.archive.org/web/20160801030619/https://docs.joomla.org/index.php?title=IIS&oldid=65983">https://docs.joomla.org/index.php?title=IIS&oldid=65983</a>"</div> <div class="clear_both"></div> </div> <div class="group"><div id="catlinks" class="catlinks"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/web/20160801030619/https://docs.joomla.org/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/web/20160801030619/https://docs.joomla.org/Category:IIS" title="Category:IIS">IIS</a></li><li><a href="/web/20160801030619/https://docs.joomla.org/Category:FAQ" title="Category:FAQ">FAQ</a></li></ul></div></div></div> </article> </div> </div> <footer class="row"> <div id="footer"> <div class="social-footer large-12 small-12 columns"> <div class="social-links">  <div class="addthis_horizontal_follow_toolbox"></div> <script type="text/javascript" src="//web.archive.org/web/20160801030619js_/https://s7.addthis.com/js/300/addthis_widget.js#pubid=ra-5378f70766e02197"></script> </div> </div> <div id="footer-left" class="large-8 small-12 columns"> <ul id="footer-left"> <li id="footer-lastmod"> This page was last modified on 5 April 2012, at 17:20.</li> <li id="footer-copyright">Content is available under <a href="/web/20160801030619/https://docs.joomla.org/JEDL" title="JEDL">Joomla! 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