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<h3 class="ls-text-muted">Version 6.3 — Rev. 0</h3>
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<h1>Server General</h1><section class="ls-spacer-small-bottom">General settings for the whole server. When path information is required in a setting,
it can be either absolute or relative to $SERVER_ROOT. $SERVER_ROOT is the
location where LiteSpeed web server has been installed (your_home_dir/lsws or
/opt/lsws, for example). The server executable is under $SERVER_ROOT/bin.</section>
<h2 id="top">Table of Contents</h2><section class="toc"><section class="toc-row"><header>Server Process</header><p>
<a href="#serverName">Server Name</a> | <a href="#lswsProcesses">Number of Processes</a> | <a href="#runningAs">Running As</a> | <a href="#serverPriority">Priority</a> | <a href="#cpuAffinity">CPU Affinity</a> | <a href="#servChrootPath">Chroot Path</a> | <a href="#enableChroot">Enable chroot</a> | <a href="#enableLVE">Cloud-Linux</a> | <a href="#inMemBufSize">Max I/O Buffer Size</a> | <a href="#swappingDir">Swapping Directory</a> | <a href="#autoFix503">Auto Fix 503 Error</a> | <a href="#enableh2c">Enable HTTP/2 Over Cleartext TCP</a> | <a href="#gracefulRestartTimeout">Graceful Restart Timeout (secs)</a></p></section>
<section class="toc-row"><header>General Settings</header><p>
<a href="#mime">MIME Settings</a> | <a href="#mimesuffix">Suffixes</a> | <a href="#mimetype">MIME Type</a> | <a href="#disableInitLogRotation">Disable Initial Log Rotation</a> | <a href="#showVersionNumber">Server Signature</a> | <a href="#hideSigInErrorPage">Hide Error Page Signature</a> | <a href="#enableIpGeo">Enable GeoLocation Lookup</a> | <a href="#useIpInProxyHeader">Use Client IP in Header</a> | <a href="#extAppAbort">External Application Abort</a> | <a href="#autoUpdateInterval">Check For Update</a> | <a href="#autoUpdateDownloadPkg">Download Updates</a> | <a href="#adminEmails">Administrator Email</a></p></section>
<section class="toc-row"><header>Index Files</header><p>
<a href="#indexFiles">Index Files</a> | <a href="#autoIndex">Auto Index</a> | <a href="#autoIndexURI">Auto Index URI</a></p></section>
<section class="toc-row"><header><a href="#htaccess">HT Access</a></header><p>
<a href="#allowOverride">Allow Override</a> | <a href="#accessFileName">Access File Name</a></p></section>
<section class="toc-row"><header>Expires Settings</header><p>
<a href="#enableExpires">Enable Expires</a> | <a href="#expiresDefault">Expires Default</a> | <a href="#expiresByType">Expires By Type</a></p></section>
<section class="toc-row"><header><a href="#geolocationDB">MaxMind GeoIP DB</a></header><p>
<a href="#geoipDBFile">DB File Path</a> | <a href="#geoipDBName">DB Name</a> | <a href="#maxMindDBEnv">Environment Variables</a></p></section>
<section class="toc-row"><header>IP2Location DB</header><p>
<a href="#ip2locDBFile">IP2Location DB File Path</a> | <a href="#ip2locDBCache">DB Cache Type</a></p></section>
<section class="toc-row"><header>Using Apache Configuration File</header><p>
<a href="#loadApacheConf">Load Apache Configuration</a> | <a href="#autoReloadApacheConf">Auto Reload On Changes</a> | <a href="#apacheBinPath">Apache Binary Path</a> | <a href="#apacheConfFile">Apache Configuration File</a> | <a href="#apachePortOffset">Apache Port Offset</a> | <a href="#apacheIpOffset">Apache IP Offset</a> | <a href="#apacheHandledContent">Apache Handled Content</a> | <a href="#apacheIgnoredModules">Ignore Apache Modules</a> | <a href="#jitConfig">Just In Time Configuration</a> | <a href="#phpSuExec">PHP suEXEC</a> | <a href="#phpSuExecMaxConn">PHP suEXEC Max Conn</a> | <a href="#apacheEnableFP">Enable FrontPage Extension</a> | <a href="#apacheEnvVars">Apache Environment Variables</a></p></section>
<section class="toc-row"><header>Apache Style Configuration</header><p>
<a href="#apacheConf">Apache Style Configurations</a></p></section>
</section>
<section><div class="helpitem"><article class="ls-helpitem"><div><header id="serverName"><h3>Server Name<span class="ls-permlink"><a href="#serverName"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>A unique name for this server. You can use $HOSTNAME as value.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="lswsProcesses"><h3>Number of Processes<span class="ls-permlink"><a href="#lswsProcesses"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p><b>[Only Available For Web Host Elite Licenses]</b> <br /> Specifies the number of lshttpd workers. Enter 0 to have this number be decided automatically.</p> <h4>Syntax</h4><p>Integer value between 0 and 128.</p> <h4>Tips</h4><p><span title="Performance" class="ls-icon-performance"></span> Set an appropriate number to suit your needs. Adding more processes may not necessarily mean better performance.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="runningAs"><h3>Running As<span class="ls-permlink"><a href="#runningAs"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the user/group that the server process runs as. This value is set during installation. In order to change it, you must download the installation package and perform an upgrade via the command line.</p> <h4>Apply</h4><p>Reinstall required.</p> <h4>Tips</h4><p><span title="Security" class="ls-icon-security"></span> Server should not be run as a privileged user, such as "root". It is critical that the server is configured to run as an un-privileged user/group combination that does not have login/shell access. A user and group of <span class="val">nobody</span> is generally a good choice.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="serverPriority"><h3>Priority<span class="ls-permlink"><a href="#serverPriority"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies priority of the server processes. Value ranges from <span class="val">-20</span> to <span class="val">20</span>. A lower number means higher priority.</p> <h4>Syntax</h4><p>Integer number</p> <h4>Tips</h4><p><span title="Performance" class="ls-icon-performance"></span> Usually a higher priority leads to slightly higher web performance on a busy server. Do not set priority higher than that of database processes.</p> <h4>See Also</h4><p class="ls-text-small">External App <span class="tagl"><a href="ExtApp_Help.html#extAppPriority">Priority</a></span>, <span class="tagl"><a href="ServSecurity_Help.html#CGIPriority">CGI Priority</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="cpuAffinity"><h3>CPU Affinity<span class="ls-permlink"><a href="#cpuAffinity"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>CPU affinity binds a process to one or more CPUs (cores). It is beneficial for a process to always use the same CPU because then the process can make use of data left in CPU cache. If the process moves to a different CPU, there is no use of CPU cache and unnecessary overhead is required.<br/><br/> The CPU Affinity setting controls how many CPUs (cores) one server process will be associated with. The minimum value is <span class="val">0</span>, which will disable this feature. The maximum value is the number of cores the server has. Generally, <span class="val">1</span> is the best setting because it creates the strictest use of CPU affinity and thus makes the most use of CPU cache.<br/><br/> Default value: 0</p> <h4>Syntax</h4><p>Integer value from 0 to 64. (0 will disable this feature)</p> <h4>Apply</h4><p>Reinstall required.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="servChrootPath"><h3>Chroot Path<span class="ls-permlink"><a href="#servChrootPath"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p><span class="tag">Enterprise Edition Only</span> Specifies the directory where the chroot environment is rooted. Only "root" user can run the server in chroot mode. Whether to run in chroot mode is controlled by <span class="tagl"><a href="#enableChroot">Enable chroot</a></span> option. The installer program will set up the initial chroot environment automatically. This entry is read-only, and if you want to change it, please run the installer again from the command line.<br/><br/> In the chroot environment, the server and its child processes cannot access file systems outside of the chroot jail. Chroot is an advanced security feature and additional administration may be required to make it work properly. All required executables, libraries, configuration files, and device files should be recreated within the chroot jail.<br/><br/> As the root directory is changed, you need to pay special attention to path configuration when an absolute path is used. A Unix domain socket or swapping directory is always relative to the new root directory. All other path configurations are always relative to the real root.</p> <h4>Apply</h4><p>Reinstall required.</p> <h4>Tips</h4><p><span title="Security" class="ls-icon-security"></span> Use chroot for better security.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="enableChroot"><h3>Enable chroot<span class="ls-permlink"><a href="#enableChroot"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p><span class="tag">Enterprise Edition Only</span> Specifies whether to start the server in chroot mode. The new root directory is set by <span class="tagl"><a href="#servChrootPath">Chroot Path</a></span> during installation.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="enableLVE"><h3>Cloud-Linux<span class="ls-permlink"><a href="#enableLVE"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to enable CloudLinux's Lightweight Virtual Environment (LVE) when it exists. You can use LiteSpeed with LVE to achieve better resource management. For more information, please check <a href="http://www.cloudlinux.com" target="_blank" rel="noopener noreferrer">http://www.cloudlinux.com</a>.</p> <h4>Syntax</h4><p>Select from drop down list</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="inMemBufSize"><h3>Max I/O Buffer Size<span class="ls-permlink"><a href="#inMemBufSize"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the maximum buffer size that is used to store a request body and its dynamically generated response. When this limit is reached, the server will start to create temporary swapping files under <span class="tagl"><a href="#swappingDir">Swapping Directory</a></span>.</p> <h4>Syntax</h4><p>Integer number</p> <h4>Tips</h4><p><span title="Performance" class="ls-icon-performance"></span> Set the buffer size large enough to accommodate all concurrent requests/replies to avoid memory to disk swapping. If there is frequent I/O activity to the swap directoy, by default /tmp/lshttpd/swap/, this buffer size is too low and LiteSpeed is swapping to disk.</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#swappingDir">Swapping Directory</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="swappingDir"><h3>Swapping Directory<span class="ls-permlink"><a href="#swappingDir"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the directory where the swapping files should be placed. When the server is started in chroot mode, this directory is relative to the new root directory, otherwise it is relative to the real root directory.<br/><br/> The server uses its own virtual memory to reduce system memory usage. Virtual memory and disk swapping are used to store large request bodies and dynamically generated responses. The swapping directory should be placed on a disk with enough space.<br/><br/> Default value: /tmp/lshttpd/swap</p> <h4>Syntax</h4><p>Absolute path</p> <h4>Tips</h4><p><span title="Performance" class="ls-icon-performance"></span> Place the swapping directory on a separate disk or increase Max I/O Buffer Size to eliminate swapping.</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#inMemBufSize">Max I/O Buffer Size</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="autoFix503"><h3>Auto Fix 503 Error<span class="ls-permlink"><a href="#autoFix503"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to try to fix the "503 Service Unavailable" error by restarting the server gracefully. A "503" error is usually caused by malfunctioning external applications and a web server restart can often fix the error temporarily. If enabled, the server will restart automatically whenever there are more than 30 "503" errors within a 30 seconds span.<br/><br/> Default value: <span class="val">No</span></p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="enableh2c"><h3>Enable HTTP/2 Over Cleartext TCP<span class="ls-permlink"><a href="#enableh2c"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to enable HTTP/2 over non-encrypted TCP connections. Default is disabled.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="gracefulRestartTimeout"><h3>Graceful Restart Timeout (secs)<span class="ls-permlink"><a href="#gracefulRestartTimeout"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>During a graceful restart, even after the new server instance is up, the old instance will continue to handle existing requests. This timeout defines how long the previous instance shall wait before exit. Default value is 300 seconds. -1 means wait forever. 0 means no wait and abort immediately.</p> <h4>Syntax</h4><p>int</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="mime"><h3>MIME Settings<span class="ls-permlink"><a href="#mime"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the file that contains the MIME settings for this server. It is always relative to the real root when an absolute path is given in chroot mode. Click on the filename to view/edit the detailed MIME entries.</p> <h4>Syntax</h4><p>Filename which can be an absolute path or a relative path to $SERVER_ROOT.</p> <h4>Tips</h4><p><span title="Information" class="ls-icon-info"></span> Click the filename to edit the MIME settings.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="mimesuffix"><h3>Suffixes<span class="ls-permlink"><a href="#mimesuffix"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>You can list multiple suffixes for the same MIME type, using comma to separate.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="mimetype"><h3>MIME Type<span class="ls-permlink"><a href="#mimetype"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>A MIME type consists of a type and subtype in the format of "type/subtype".</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="disableInitLogRotation"><h3>Disable Initial Log Rotation<span class="ls-permlink"><a href="#disableInitLogRotation"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to disable rotation of server error log file at startup. Initial log rotation is enabled by default for standard installations. Servers using cPanel, however, always write to the Apache error log and thus ignore this setting.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="showVersionNumber"><h3>Server Signature<span class="ls-permlink"><a href="#showVersionNumber"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to show the server signature and version number in the response header's "Server" value. There are three options: when set to <span class="val">Hide Version</span>, only <span class="val">LiteSpeed</span> is shown. When set to <span class="val">Show Version</span>, LiteSpeed and the version number are shown. <span class="tag">Enterprise Edition Only</span> When set to <span class="val">Hide Full Header</span>, the entire Server header will not be shown in the response header.</p> <h4>Syntax</h4><p>Select from drop down list</p> <h4>Tips</h4><p><span title="Security" class="ls-icon-security"></span> Set to <span class="val">Hide Version</span> if you do not wish to expose the server version number.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="hideSigInErrorPage"><h3>Hide Error Page Signature<span class="ls-permlink"><a href="#hideSigInErrorPage"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether or not to show the lines <blockquote>Powered By LiteSpeed.<br/> LiteSpeed Technologies is not responsible for administration and contents of this web site!"</blockquote> on your default error pages.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="enableIpGeo"><h3>Enable GeoLocation Lookup<span class="ls-permlink"><a href="#enableIpGeo"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p><span class="tag">Enterprise Edition Only</span> Specifies whether to enable/disable IP Geolocation lookup. Can be set at server, virtual host, or context level. IP Geolocation is disabled by default when using value "Not Set".</p> <h4>Syntax</h4><p>Select from radio box</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="ServGeneral_Help.html#useIpInProxyHeader">Use Client IP in Header</a></span>, <span class="tagl"><a href="ServGeneral_Help.html#geoipDBFile">DB File Path</a></span>,</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="useIpInProxyHeader"><h3>Use Client IP in Header<span class="ls-permlink"><a href="#useIpInProxyHeader"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to use the first most valid IP IP address listed in the "X-Forwarded-For" HTTP request header for all IP address-related features, including connection/bandwidth throttling, access control, and IP geolocation.<br/><br/> This feature is useful if your web server is behind a load balancer or a proxy server. If you select <span class="val">Trusted IP Only</span>, then X-Forwarded-For IP will be used only when the request is coming from trusted IPs defined in the server-level <span class="tagl"><a href="ServSecurity_Help.html#accessControl_allow">Allowed List</a></span>.<br/><br/> <span class="val">Keep Header from Trusted IP</span> is the same as <span class="val">Trusted IP Only</span>, but the X-Forwarded-For header used for the backend will not be modified to include the connecting peer address.<br/><br/> <span class="val">Use Last IP (for AWS ELB)</span> will use the last IP address in the "X-Forwarded-For" list. Select this option if you are using AWS Elastic Load Balancer or expect the real IP to appended to the end of the "X-Forwarded-For" list.</p> <h4>Syntax</h4><p>Select from drop down list</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="extAppAbort"><h3>External Application Abort<span class="ls-permlink"><a href="#extAppAbort"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>When a client breaks a connection with the server, LiteSpeed Web Server can automatically abort external application processes generating responses for that client. Some users, however, may have (long-running) processes that they wish to continue running whether or not the client is still connected.<br/><br/> There are three options for this:<br/> <ul> <li>No Abort: Never abort external applications because of a broken connection.</li> <li> Enable Abort for Requests from External IPs: Only processes started by requests from external IPs will be automatically aborted because of a broken connection. This is the default setting. It is a good setting if you have some internal long-running processes, like some cron jobs. </li> <li> Enable Abort for All Requests: External application processes will be automatically aborted if the connection is broken, regardless of the source of the request. </li> </ul></p> <h4>Syntax</h4><p>Select from drop down list</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="autoUpdateInterval"><h3>Check For Update<span class="ls-permlink"><a href="#autoUpdateInterval"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies how often the update agent will check for a new product release. Options are "Daily", "Weekly", "Monthly" and "Disable".</p> <h4>Syntax</h4><p>Select from drop down list</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="autoUpdateDownloadPkg"><h3>Download Updates<span class="ls-permlink"><a href="#autoUpdateDownloadPkg"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to auto-download a new product release package file when available. If a new package has been successfully downloaded, an online one-click upgrade can be performed via the WebAdmin console under Service Manager - <span class="tagl"><a href="ServerStat_Help.html#vermgr">Version Management</a></span>.</p> <h4>Syntax</h4><p>Select from drop down list</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="adminEmails"><h3>Administrator Email<span class="ls-permlink"><a href="#adminEmails"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the server administrator's email address(es). If specified, administrators will be notified by email of important events (for example, when the LiteSpeed service is restarted automatically due to crash detection or when license is expiring).</p> <h4>Syntax</h4><p>Comma delimited list of email address.</p> <h4>Tips</h4><p><span title="Information" class="ls-icon-info"></span> Email alert feature will only work if the server has an active MX server such as postfix, exim, or sendmail.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="indexFiles"><h3>Index Files<span class="ls-permlink"><a href="#indexFiles"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies names of index files that will be searched sequentially when a URL is mapped to a directory. You can customize it at the server, virtual host, and context level.</p> <h4>Syntax</h4><p>Comma-delimited list of index filenames.</p> <h4>Tips</h4><p><span title="Performance" class="ls-icon-performance"></span> Only set index files that you need.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="autoIndex"><h3>Auto Index<span class="ls-permlink"><a href="#autoIndex"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to generate a directory index on the fly when index files listed in <span class="tagl"><a href="#indexFiles">Index Files</a></span> are not available in a directory. This option is customizable at the virtual host and context level, and is inherited along the directory tree until it is explicitly overridden. You can customize the generated index page. Please check online wiki How-tos.</p> <h4>Syntax</h4><p>Select from radio box</p> <h4>Tips</h4><p><span title="Security" class="ls-icon-security"></span> It is recommended to turn off Auto Index wherever possible to prevent revealing confidential data.</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#indexFiles">Index Files</a></span>, <span class="tagl"><a href="#autoIndexURI">Auto Index URI</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="autoIndexURI"><h3>Auto Index URI<span class="ls-permlink"><a href="#autoIndexURI"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the URI that will be used to generate the index page when index files listed in <span class="tagl"><a href="#indexFiles">Index Files</a></span> are not available in a directory. LiteSpeed web server uses an external script to generate the index page providing the maximum customization flexibility. The default script produces an index page with same look as Apache's. To customize the generated index page, please read online wiki How-tos. The directory to be indexed is passed to the script via an environment variable "LS_AI_PATH".</p> <h4>Syntax</h4><p>URI</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#indexFiles">Index Files</a></span>, <span class="tagl"><a href="#autoIndex">Auto Index</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="htaccess"><h3>HT Access<span class="ls-permlink"><a href="#htaccess"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The following directives are supported in a directory level access control file (.htaccess file).<br/> <ul> <li> Authentication <ul> <li>AuthGroupFile</li> <li>AuthName</li> <li>AuthType</li> <li>AuthUserFile</li> <li>Require</li> <li>Satisfy</li> <li><Limit> (GET, HEAD, POST only)</li> <li><LimitExcept> (GET, HEAD, POST only)</li> </ul> </li> <li> Access Control <ul> <li>Allow</li> <li>Deny</li> <li>Order</li> <li><Limit> (GET, HEAD, POST only)</li> <li><LimitExcept> (GET, HEAD, POST only)</li> </ul> </li> <li> File Info <ul> <li>AddDefaultCharset</li> <li>AddType</li> <li>DefaultType</li> <li>ForceType</li> <li>Redirect</li> <li>RedirectPermanent</li> <li>RedirectTemp</li> <li>RewriteBase</li> <li>RewriteCond</li> <li>RewriteEngine</li> <li>RewriteOptions</li> <li>RewriteRule</li> </ul> </li> <li> Other <ul> <li>DirectoryIndex</li> <li>ExpiresActive</li> <li>ExpiresByType</li> <li>ExpiresDefault</li> <li>Options</li> </ul> </li> </ul></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="allowOverride"><h3>Allow Override<span class="ls-permlink"><a href="#allowOverride"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies what directives in an access control file are allowed. An access control file can be placed in a directory to control the accessibility of files under that directory.<br/> <ul> <li>When nothing is checked, inherited default settings will be used.</li> <li>When <span class="val">None</span> is checked, access control files will be ignored.</li> <li> When <span class="val">Limit</span> is checked, directives "Allow", "Deny", and "Order" are allowed. <Limit> and <LimitExcept> directives are also allowed with limited support for GET, HEAD, and POST requests. </li> <li> When <span class="val">Auth</span> is checked, directives "AuthGroupFile", "AuthName", "AuthType", "AuthUserFile", "Require", and "Satisfy" are allowed. <Limit> and <LimitExcept> directives are also allowed with limited support for GET, HEAD, and POST requests. </li> <li> When <span class="val">FileInfo</span> is checked, directives "AddDefaultCharset", "AddType", "DefaultType", "ForceType", "Redirect", "RedirectPermanent", "RedirectTemp", "RewriteBase", "RewriteCond", "RewriteEngine", "RewriteOptions", and "RewriteRule" are allowed. </li> <li> When <span class="val">Indexes</span> is checked, directives "DirectoryIndex", "ExpiresActive", "ExpiresByType", and "ExpiresDefault" are allowed. </li> <li>When <span class="val">Options</span> is checked, directive "Options" is allowed.</li> </ul><br/> Allow Override configuration is available at the Server, Virtual Host, and Context levels. If a configuration is unchecked at the Server level, those controlled directives will be disabled for the entire server regardless of settings at lower levels. Lower levels can disable a setting that is enabled at a higher level, but cannot enable a setting that is disabled at an upper level.<br/><br/> Default values:<br/> <b>Server level:</b> "None" (ignore access control file)<br/> <b>VH level:</b> Inherit Server level setting<br/> <b>Context level</b> Inherit VH level setting</p> <h4>Syntax</h4><p>Select from checkbox</p> <h4>Tips</h4><p><span title="Performance" class="ls-icon-performance"></span> If there is no need for directory level configuration customization, check <span class="val">None</span>.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="accessFileName"><h3>Access File Name<span class="ls-permlink"><a href="#accessFileName"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the name of access control files. These files will be used only if <span class="tagl"><a href="#allowOverride">Allow Override</a></span> is enabled. Default name is <span class="val">.htaccess</span>. You can configure this at server level and virtual host level. Server level is the default setting, and you can override it at virtual host level.</p> <h4>Syntax</h4><p>Filename starting with "."</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#allowOverride">Allow Override</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="enableExpires"><h3>Enable Expires<span class="ls-permlink"><a href="#enableExpires"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to generate an Expires header for static files. If enabled, an Expires header will be generated based on <span class="tagl"><a href="#expiresDefault">Expires Default</a></span> and <span class="tagl"><a href="#expiresByType">Expires By Type</a></span>.<br/><br/> This can be set at server, virtual host and context level. Lower level settings will override higher level ones, i.e. context settings will override virtual host settings and virtual host settings will override server settings.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="expiresDefault"><h3>Expires Default<span class="ls-permlink"><a href="#expiresDefault"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies default settings for Expires header generation. This setting takes effect when <span class="tagl"><a href="#enableExpires">Enable Expires</a></span> is set to "Yes". It can be overridden by <span class="tagl"><a href="#expiresByType">Expires By Type</a></span>. Do not set this default at the server or virtual host level unless you have to, since it will generate Expires headers for all pages. Most of time this should be set at the context level for certain directories that do not change often. If there is no default setting, no Expires header will be generated for types not specified in <span class="tagl"><a href="#expiresByType">Expires By Type</a></span>.</p> <h4>Syntax</h4><p>A|Mseconds<br/> The file will expire after base time(A|M) plus specified seconds. Base time "A" sets the value to the client's access time and "M" to the file's last modified time.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="expiresByType"><h3>Expires By Type<span class="ls-permlink"><a href="#expiresByType"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies Expires header settings for individual MIME types.</p> <h4>Syntax</h4><p>Comma delimited list of "MIME-type=A|Mseconds". The file will expire after base time (A|M) plus specified seconds.<br/><br/> Base time "A" sets the value to the client's access time and "M" to the file's last modified time. MIME-type accepts wildcard "*", like image/*.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="geolocationDB"><h3>MaxMind GeoIP DB<span class="ls-permlink"><a href="#geolocationDB"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Multiple MaxMind geolocation databases can be specified here. MaxMind has the following type of DBs: Country, Region, City, Organization, ISP and Netspeed. If multiple databases of types "Country", "Region", and "City" are configured, the last configuration will be effective.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="geoipDBFile"><h3>DB File Path<span class="ls-permlink"><a href="#geoipDBFile"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the path to MaxMind GeoIP database.</p> <h4>Syntax</h4><p>Absolute path</p> <h4>Example</h4><div class="ls-example">/usr/local/share/GeoIP/GeoLite2-Country.mmdb</div></article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="geoipDBName"><h3>DB Name<span class="ls-permlink"><a href="#geoipDBName"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>MaxMind GeoIP database name. As of GeoIP2, this setting is required.<br/><br/> When upgrading from a GeoIP to a GeoIP2, using values "COUNTRY_DB", "CITY_DB", or "ASN_DB" for this setting will automatically populate PHP's $_SERVER variable with some GeoIP compatible entries (listed by DB Name value below) to help ease this transition.<br/><br/> <b>CITY_DB:</b> 'GEOIP_COUNTRY_CODE', 'GEOIP_COUNTRY_NAME', 'GEOIP_CONTINENT_CODE', 'GEOIP_COUNTRY_CONTINENT', 'GEOIP_DMA_CODE', 'GEOIP_METRO_CODE', 'GEOIP_LATITUDE', 'GEOIP_LONGITUDE', 'GEOIP_POSTAL_CODE', and 'GEOIP_CITY'.<br/> <b>COUNTRY_DB:</b> 'GEOIP_COUNTRY_CODE', 'GEOIP_COUNTRY_NAME', 'GEOIP_CONTINENT_CODE', and 'GEOIP_COUNTRY_CONTINENT'.<br/> <b>ASN_DB:</b> 'GEOIP_ORGANIZATION' and 'GEOIP_ISP'.</p> <h4>Example</h4><div class="ls-example">COUNTRY_DB</div></article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="maxMindDBEnv"><h3>Environment Variables<span class="ls-permlink"><a href="#maxMindDBEnv"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Assign the results of database lookups to environment variables.</p> <h4>Syntax</h4><p>Variable_Name mapped_DB_data<br/><br/> One entry per line. Path to data can use map keys or 0-based array indexes, both being separated by /.</p> <h4>Example</h4><div class="ls-example">COUNTRY_CODE COUNTRY_DB/country/iso_code<br/> REGION_CODE CITY_DB/subdivisions/0/iso_code</div></article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="ip2locDBFile"><h3>IP2Location DB File Path<span class="ls-permlink"><a href="#ip2locDBFile"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The location of a valid database file.</p> <h4>Syntax</h4><p>Filename which can be an absolute path or a relative path to $SERVER_ROOT.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="ip2locDBCache"><h3>DB Cache Type<span class="ls-permlink"><a href="#ip2locDBCache"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The caching method used. The default value is <span class="val">Memory</span>.</p> <h4>Syntax</h4><p>Select from drop down list</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="loadApacheConf"><h3>Load Apache Configuration<span class="ls-permlink"><a href="#loadApacheConf"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether LiteSpeed will read and use a Apache configuration file to configure the web server. Native configurations will have higher priority when there is conflict between LiteSpeed internal and Apache-based configurations.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="autoReloadApacheConf"><h3>Auto Reload On Changes<span class="ls-permlink"><a href="#autoReloadApacheConf"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies how to apply Apache configuration changes. When set to "Yes", LSWS will perform a graceful restart whenever the Apache configuration file has been modified. This may cause LSWS to restart multiple times when updating Apache configurations. A better solution (introduced in version 3.3.8) is "Use Apache binary wrapper". This will replace Apache httpd binary with a wrapper script. Whenever Apache is requested to start/stop/restart, the script will tell LSWS to take corresponding action. <span class="tagl"><a href="#apacheBinPath">Apache Binary Path</a></span> must be set to use this setting. Default is "No" for standard installations. For cPanel servers, the default is "Use Apache binary wrapper". ("Override cPanel restart HTTPD script" is an optional workaround that should only be used if the option "Use Apache binary wrapper" is having problems.) For other control panels default is "Yes".</p> <h4>Syntax</h4><p>Select from radio box</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#apacheBinPath">Apache Binary Path</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheBinPath"><h3>Apache Binary Path<span class="ls-permlink"><a href="#apacheBinPath"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the location of the Apache binary. Usually, it is located at /usr/local/apache/bin/httpd or /usr/local/apache2/bin/httpd, etc. This option must be set when "Use Apache binary wrapper" is used for <span class="tagl"><a href="#autoReloadApacheConf">Auto Reload On Changes</a></span>.</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="#autoReloadApacheConf">Auto Reload On Changes</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheConfFile"><h3>Apache Configuration File<span class="ls-permlink"><a href="#apacheConfFile"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the location of Apache configuration file. Usually, it is located at /usr/local/apache/conf/httpd.conf or /etc/httpd/conf/httpd.conf.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apachePortOffset"><h3>Apache Port Offset<span class="ls-permlink"><a href="#apachePortOffset"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies an offset to be added to listening TCP ports specified in the Apache configuration file. In the testing phase, this allows LiteSpeed to run alongside Apache on a different port instead of switching back and forth between LiteSpeed and Apache on a production server.<br/> If set to <span class="val">0</span> or not set, LiteSpeed will use the ports specified in the Apache configuration file. When testing, make this setting a non-zero value. LiteSpeed will then add this offset value to the port specified in the Apache configuration and use this port. After confirming that everything works properly, you can stop Apache, set this option back to <span class="val">0</span>, and restart LiteSpeed.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheIpOffset"><h3>Apache IP Offset<span class="ls-permlink"><a href="#apacheIpOffset"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies an offset to be added to listening IP address specified in the Apache configuration file. This allows LiteSpeed to run alongside Apache in the testing phase instead of switching back and forth between LiteSpeed and Apache on a production server. The calculated IP address has to be available on this server.</p> <h4>Syntax</h4><p>The offset should be set as an integer (allow negative number), not an IP address. Adding "256" will add 1 to the value of the C class subnet. This option only works with IPv4 address.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheHandledContent"><h3>Apache Handled Content<span class="ls-permlink"><a href="#apacheHandledContent"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies resources to be passed to and processed by Apache on the backend. This feature requires running Apache parallel to LiteSpeed on either another IP or a different port, so either "Apache Port Offset" or "Apache IP Offset" should be set to a non-zero value.</p> <h4>Syntax</h4><p>Resources are specified by a comma delimited list of URI, file suffixes, or regular expressions. A URI starts with "/"; a suffix starts with ".", a regular expression starts with "exp:". For example: "/svn/, .shtml" lets Apache handle requests with a URI starting with "/svn/" or ending with ".shtml". The same effect can be achieved with the regular expression "exp:^/svn/, exp:\.shtml$".</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheIgnoredModules"><h3>Ignore Apache Modules<span class="ls-permlink"><a href="#apacheIgnoredModules"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies a list of names of Apache modules that should be ignored by LiteSpeed while parsing the Apache configuration file. LiteSpeed will treat the listed modules as unsupported. This will cause configuration directives related to these modules enclosed in matching <IfModule> or <IfDefined> tags to be ignored.</p> <h4>Syntax</h4><p>comma delimited list of module names</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="jitConfig"><h3>Just In Time Configuration<span class="ls-permlink"><a href="#jitConfig"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>With just in time configuration, the web server only finalizes vhost configurations when that virtual host is accessed for the first time, instead of loading all configurations at start up. This allows the web server to save memory and speed up server start up.</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="phpSuExec"><h3>PHP suEXEC<span class="ls-permlink"><a href="#phpSuExec"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to run PHP script in suEXEC mode when "user" and "group" are specified for a virtual host. When set to <span class="val">Yes</span>, PHP scripts will be executed under the user (and group unless <span class="tagl"><a href="ServSecurity_Help.html#forceGID">Force GID</a></span> is set) specified. When set to <span class="val">User's Home Directory Only</span>, scripts outside a user's home directory will run as the global user/group that the web server run as. When using DirectAdmin, <span class="val">User's Home Directory Only</span> is recommended. Default is <span class="val">No</span>.</p> <h4>Syntax</h4><p>Select from radio box</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="ServSecurity_Help.html#forceGID">Force GID</a></span></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="phpSuExecMaxConn"><h3>PHP suEXEC Max Conn<span class="ls-permlink"><a href="#phpSuExecMaxConn"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the maximum number of concurrent PHP processes that can be created by LSWS for each user when running PHP scripts in suEXEC mode. Default value is <span class="val">5</span>.</p> <h4>Syntax</h4><p>Integer number</p> <h4>Tips</h4><p><span title="Information" class="ls-icon-info"></span> This limit is per user per lshttpd process. Thus, if you have a 2-CPU license, this limit will be doubled. The limit will be 4x for a 4-CPU license, and so on.</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheEnableFP"><h3>Enable FrontPage Extension<span class="ls-permlink"><a href="#apacheEnableFP"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies whether to explicitly enable Microsoft Front Page Server Extension or not. Usually, LSWS will enable it when module "frontpage" has been loaded in Apache httpd.conf. However, when mod_frontpage is statically linked into the Apache binary, configuration for the FrontPage module is not in httpd.conf, and you need to enable it explicitly here. Default is "disabled".</p> <h4>Syntax</h4><p>Select from radio box</p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheEnvVars"><h3>Apache Environment Variables<span class="ls-permlink"><a href="#apacheEnvVars"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>For shell environment variables used inside the Apache configuration file, LSWS will replace "${ENVVAR}" with the values set here. If the ENVVAR variable is not set here, "${ENVVAR}" occurrences are left unchanged.</p> <h4>Syntax</h4><p>Name and value pairs, one pair per line in the form of ENV=VALUE</p> <h4>See Also</h4><p class="ls-text-small">Apache Env Syntax <a href="http://httpd.apache.org/docs/current/configuring.html#syntax" target="_blank" rel="noopener noreferrer">reference</a></p> </article> </div>
<div class="helpitem"><article class="ls-helpitem"><div><header id="apacheConf"><h3>Apache Style Configurations<span class="ls-permlink"><a href="#apacheConf"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies Apache configuration directives (supported by LiteSpeed) that you want to use in LiteSpeed native configuration file. For example, to override the default PHP configurations (php.ini entries) the server will need four directives: "php_value", "php_flag", "php_admin_value" and "php_admin_flag".</p> <h4>Syntax</h4><p>Same as Apache configuration file.</p> </article> </div>
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