如何从“https://www.example.com”redirect到“https://example.com”？

我想知道：

如何redirect

https://www.example.com 

成为

 https://example.com 

通过.htaccess或CPanel？

• 拒绝通过基于http头的htaccess访问网站
• .htaccess除了特定文件以外的所有HTTPS
• htaccess将HTTP和HTTPS非wwwredirect到HTTPS www
• 在openshift上放置wordpress htaccess的地方
• 拒绝与Ubuntu / Apache2上特定主机名的连接

由于SSL只安装在没有“www”的那个，而当我访问“www”时，我得到了SSL错误。

整个.htaccess文件：

 # Use PHP 5.3 AddType application/x-httpd-php53 .php ## # @package Joomla # @copyright Copyright (C) 2005 - 2012 Open Source Matters. All rights reserved. # @license GNU General Public License version 2 or later; see LICENSE.txt ## ## # READ THIS COMPLETELY IF YOU CHOOSE TO USE THIS FILE! # # The line just below this section: 'Options +FollowSymLinks' may cause problems # with some server configurations. It is required for use of mod_rewrite, but may already # be set by your server administrator in a way that dissallows changing it in # your .htaccess file. If using it causes your server to error out, comment it out (add # to # beginning of line), reload your site in your browser and test your sef url's. If they work, # it has been set by your server administrator and you do not need it set here. ## ## Can be commented out if causes errors, see notes above. Options +FollowSymLinks ## Mod_rewrite in use. RewriteEngine On ## Begin - Rewrite rules to block out some common exploits. # If you experience problems on your site block out the operations listed below # This attempts to block the most common type of exploit `attempts` to Joomla! # # Block out any script trying to base64_encode data within the URL. RewriteCond %{QUERY_STRING} base64_encode[^(]*\([^)]*\) [OR] # Block out any script that includes a <script> tag in URL. RewriteCond %{QUERY_STRING} (<|%3C)([^s]*s)+cript.*(>|%3E) [NC,OR] # Block out any script trying to set a PHP GLOBALS variable via URL. RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR] # Block out any script trying to modify a _REQUEST variable via URL. RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2}) # Return 403 Forbidden header and show the content of the root homepage RewriteRule .* index.php [F] # ## End - Rewrite rules to block out some common exploits. ## Begin - Custom redirects # # If you need to redirect some pages, or set a canonical non-www to # www redirect (or vice versa), place that code here. Ensure those # redirects use the correct RewriteRule syntax and the [R=301,L] flags. # ## End - Custom redirects ## # Uncomment following line if your webserver's URL # is not directly related to physical file paths. # Update Your Joomla! Directory (just / for root). ## # RewriteBase / ## Begin - Joomla! core SEF Section. # RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}] # # If the requested path and file is not /index.php and the request # has not already been internally rewritten to the index.php script RewriteCond %{REQUEST_URI} !^/index\.php # and the request is for something within the component folder, # or for the site root, or for an extensionless URL, or the # requested URL ends with one of the listed extensions RewriteCond %{REQUEST_URI} /component/|(/[^.]*|\.(php|html?|feed|pdf|vcf|raw))$ [NC] # and the requested path and file doesn't directly match a physical file RewriteCond %{REQUEST_FILENAME} !-f # and the requested path and file doesn't directly match a physical folder RewriteCond %{REQUEST_FILENAME} !-d # internally rewrite the request to the index.php script RewriteRule .* index.php [L] # ## End - Joomla! core SEF Section. <IfModule mod_headers.c> Header unset ETag #Header unset Last-Modified </IfModule> FileETag None #<FilesMatch "\.(ico|gz|JPG|jpg|jpeg|png|gif|js|css|swf)$"> #Header unset Cache-control #Header set Expires "access plus 1 month" #</FilesMatch> <FilesMatch "\.(?!(ico|gz|JPG|jpg|jpeg|png|gif|js|css|swf))[^.]+$"> Header unset Last-Modified Header unset Cache-control </FilesMatch> # Google Analytics Integration - Added by cPanel. <IfModule mod_substitute.c> AddOutputFilterByType SUBSTITUTE text/html Substitute "s|(<script src='/google_analytics_auto.js'></script>)?</head>|<script src='/google_analytics_auto.js'></script></head>|i" </IfModule> # END Google Analytics Integration RewriteEngine On RewriteCond %{HTTPS} OFF RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} RewriteCond %{HTTP_HOST} ^shop\.iravin\.com$ [OR] RewriteCond %{HTTP_HOST} ^www\.shop\.iravin\.com$ RewriteRule ^/?$ "https\:\/\/iravin\.com\/index\.php\?option\=com_virtuemart" [R=301,L] 

 RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC] RewriteCond %{HTTPS}s ^on(s)| RewriteRule ^ http%2://%1%{REQUEST_URI} [L,R=301] 

 RewriteCond %{HTTP_HOST} ^[^.]+\.[^.]+$ RewriteCond %{HTTPS}s ^on(s)| RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301] 

 198.138.10.106 example.com 198.138.10.106 www.example.com 

 RewriteEngine on RewriteCond %{SERVER_NAME} =example.com [OR] RewriteCond %{SERVER_NAME} =www.example.com RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent] </VirtualHost>